A list of bees from three locations in the Northern Rockies Ecoregion (NRE) of western Montana

Elizabeth G Reese; Laura A Burkle; Casey M Delphia; Terry Griswold

doi:10.3897/BDJ.6.e27161

. 2018 Oct 30;(6):e27161. doi: 10.3897/BDJ.6.e27161

A list of bees from three locations in the Northern Rockies Ecoregion (NRE) of western Montana

Elizabeth G Reese ^1,^✉, Laura A Burkle ¹, Casey M Delphia ¹, Terry Griswold ²

PMCID: PMC6220116 PMID: 30425605

Abstract Abstract

Background

Wild bees that were collected in conjunction with a larger study are presented as a checklist of species for the Northern Rockies Ecoregion of Montana, USA. Over the course of four field seasons (2013-2016), 281 species and morphospecies in 32 genera and five families were collected using insect nets, and identified. This paper addresses the distinct lack of studies monitoring bee species in Montana and contributes to a basic understanding of fauna in the northern Rocky Mountains.

New information

With this study, the number of known bee species in Montana increases by at least six species, from 366 (Kuhlman and Burrows 2017) to 372. Though literature was not reviewed for all the species on this checklist, published records in Montana revealed no listings for Andrena saccata Viereck; Anthidiellum notatum robertsoni (Cockerell); Ashmeadiella meliloti (Cockerell); Ashmeadiella pronitens (Cockerell); Colletes lutzi lutzi Timberlake; and Dioxys productus (Cresson).

Keywords: Apoidea , wild bees, biodiversity, pollinator, Montana, Rocky Mountains, Northern Rockies Ecoregion

Introduction

Faunistic studies characterizing native pollinators are becoming more important for understanding patterns in local and regional biodiversity as species are threatened by habitat loss, climate change and other factors (Green et al. 2005, Lengyel et al. 2008, Losos et al. 2013). Studies documenting wild bee species are particularly critical because bees are the world's primary animal pollinators in most ecosystems (Neff and Simpson 1993, Winfree 2010) and are currently undergoing declines across different spatial scales (Koh et al. 2015), including globally (Council, Natural Resource 2007). Much taxonomic work has focused on regional bee fauna in the eastern United States and several states in the western U.S., however there remains a dearth of studies documenting wild bees in Montana (but see Dolan et al. 2017 and Kuhlman and Burrows 2017).

Here we present a list of bee species from three localities in the northern Rocky Mountains collected over the course of four years as part of a larger project investigating the effects of wildfire on plant-pollinator diversity (Burkle et al. 2015). This paper contributes to the regional list of wild bees in Montana and addresses the need for pollinator monitoring in the western U.S.

Materials and methods

Study Region

The Northern Rockies Ecoregion (NRE) encompasses 162,746 km² of Idaho, western Montana and northeastern Washington, and is characterized by high, rugged mountain ranges consisting of montane, alpine and subalpine ecosystems (Taylor 2012). Dominant vegetation includes lodgepole pine (Pinus contorta), ponderosa pine (Pinus ponderosa), western larch (Larix occidentalis), and mixed conifer forests. Climate in the NRE is dry, with most precipitation occurring as snow, and with very cold winters and short summers (Table 1). We collected bee specimens from the following three localities within the NRE: near Glacier National Park in Flathead County, Absaroka-Beartooth Wilderness in Park County, and Helena National Forest in Lewis and Clark County (see Fig. 1).

Table 1.

Characterization of three study localities in the northern Rocky Mountains of Montana, USA. Values for mean annual temperature, mean annual precipitation, and elevation represent the mean of unburned transects within a site (Western Regional Climate Center 2016).

Flathead Co. (Kalispell)	Lewis & Clark Co. (Helena)	Park Co. (Livingston)
coordinates (latitude, longitude)	48.6, -114.3	46.7, -111.7	45.2, -110.4
temperature (°C)	-2.2	15.8	-13
precipitation (mm)	684	351	632
elevation (m)	1312	1373	2248

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Figure 1. — Map of study localities in the Northern Rockies, Montana, USA.

Collection Methods

At each locality, we established nine 25m diameter circular plots within each of four 15 hectare study blocks. Study blocks were located within previously determined wildfire perimeters. Within a block, plots were randomly stratified to meet research goals related to wildfire severity and to avoid spatial clumping of plots using a generalized random tessellation stratified (GRTS) survey design function in the R spsurvey package (Kincaid and Olsen 2011). Details of site selection and characteristics can be found in Burkle et al. 2015.

Bees were collected over four field seasons (2013-2016) beginning when plants started to bloom after snowmelt (late-May or June) and ending once most flower species had gone to seed (late-August). Collection dates for each species can be found in Supplementary Data Table 1 (Suppl. material 1). Each locality was sampled as often as possible per season, with sampling bouts being chiefly determined by weather. On every visit to a locality, we sampled each plot for 20 minutes. All insects that contacted the reproductive parts of flowers were collected with insect nets, pinned, and labeled with pertinent data, including plant species association. We visited the Lewis and Clark County locality five times in 2013, thirteen times in 2014, nine times in 2015 and seven times in 2016. At the Park County location, we visited two, eleven, nine, and six times in 2013, 2014, 2015 and 2016, respectively; and we visited the Flathead County location three times in 2013, and seven times in both 2014 and 2015.

Species Identification

Bee species were identified by Elizabeth Reese, Terry Griswold, Casey Delphia, Skyler Burrows, Harold Ikerd, Michael Orr, Jason Gibbs and Karen Wright. To make determinations to the lowest possible taxonomic level we used published keys or unpublished works where these were available (Table 2). When keys were not sufficient, or did not exist for this area, we designated morphospecies based on morphological characteristics. Morphospecies were labeled "F" for female or "M" for male and given unique numbers. In cases where two particular species were impossible to differentiate based on morphology, both species names were notated (i.e., females of Agapostemontexanus/angelicus). Specimens are deposited in the Montana State University Pollinator Health Center Collection located in the Burkle Community Ecology Lab at Montana State University in Bozeman, MT and the U.S. National Pollinating Insect Collection in Logan, UT.

Table 2.

List of published keys used for species identification.

Family	Genus	Reference
Andrenidae	Andrena	Bouseman and LaBerge 1978, Donovan 1977, LaBerge 1969, LaBerge and Ribble 1972,LaBerge 1973, LaBerge 1977, LaBerge 1980, LaBerge 1985, LaBerge 1986, LaBerge and Ribble 1975, Ribble 1974, Ribble 1968, Thorp 1969
	Panurginus	unpublished works
	Protandrena	Timberlake 1976
Apidae	Anthophora	Ascher and Pickering 2016
	Bombus	Koch et al. 2012, Thorp et al. 1983, Williams et al. 2014
	Ceratina	Daly 1973
	Diadasia	Sipes 2001
	Epeolus	Brumley 1965
	Eucera	Timberlake 1969
	Melecta	Hurd and Linsley 1951
	Melissodes	LaBerge 1956a, LaBerge 1956b, LaBerge 1961
	Triepeolus	Rightmyer 2008
Colletidae	Colletes	Stephen 1954
	Hylaeus	Snelling 1966a, Snelling 1966b, Snelling 1970
Halictidae	Agapostemon	Roberts 1973b
	Dufourea	Dumesh and Sheffield 2012
	Halictus	Roberts 1973a
	Lasioglossum	Gibbs 2010, McGinley 1986, McGinley 2003
Megachilidae	Anthidiellum	Hurd and Michener 1955
	Anthidium	Gonzalez and Griswold 2013
	Ashmeadiella	Hurd and Michener 1955
	Chelostoma	Michener 1938
	Coelioxys	Baker 1975, DeSilva 2012
	Dianthidium	Grigarick and Stange 1968
	Dioxys	Hurd 1958
	Heriades	Hurd and Michener 1955
	Hoplitis	Michener 1947
	Megachile	Sheffield et al. 2011
	Osmia	Sandhouse 1939, Rightmyer et al. 2010
	Stelis	unpublished works

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Checklists

List of Bees

Colletes consors consors

Cresson, 1868

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Colletes fulgidus

Swenk, 1904

Notes

Collected from the Lewis and Clark County and Park County sites(Table 1, Suppl. material 1)

Colletes hyalinus hyalinus

Provancher, 1888

Notes

Collected from the Park County site (Table 1, Suppl. material 1)

Colletes kincaidii

Cockerell, 1898

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Colletes lutzi lutzi

Timberlake, 1943

Notes

New species for Montana. Collected from the Lewis and Clark County and Park County sites (Table 1, Suppl. material 1)

Colletes phaceliae

Cockerell, 1906

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Hylaeus (Cephalylaeus) basalis

(Smith, 1853)

Notes

Collected from the Park County and Flathead County sites (Table 1, Suppl. material 1)

Hylaeus (Hylaeus) annulatus

(Linnaeus, 1758)

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1)

Hylaeus (Hylaeus) leptocephalus

(Morawitz, 1871)

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Hylaeus (Hylaeus) mesillae

(Cockerell, 1896)

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Hylaeus (Hylaeus) rudbeckiae

(Cockerell and Casad, 1895)

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Hylaeus (Hylaeus) verticalis

(Cresson, 1869)

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1)

Hylaeus (Paraprosopis) coloradensis

(Cockerell, 1896)

Notes

Collected from the Lewis and Clark County and Park County sites (Table 1, Suppl. material 1)

Hylaeus (Paraprosopis) nevadensis

(Cockerell, 1896)

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Hylaeus (Paraprosopis) wootoni

(Cockerell, 1896)

Notes

Collected from the Lewis and Clark County and Park County sites (Table 1, Suppl. material 1)

Hylaeus (Prosopis) episcopalis

(Cockerell, 1896)

Notes

Collected from the Lewis and Clark County and Park County sites (Table 1, Suppl. material 1)

Hylaeus (Prosopis) modestus

Say, 1837

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1)

Andrena (Andrena) milwaukeensis

Graenicher, 1903

Notes

Collected from the Lewis and Clark County and Park County sites (Table 1, Suppl. material 1)

Andrena (Andrena) saccata

Viereck, 1904

Notes

New species for Montana. Collected from the Park County site (Table 1, Suppl. material 1)

Andrena (Andrena) thaspii

Graenicher, 1903

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1)

Andrena (Andrena) topazana

Cockerell, 1906

Notes

Collected from the Park County and Flathead County sites (Table 1, Suppl. material 1)

Andrena (Andrena) sp. F1

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Andrena (Cnemidandrena) surda

Cockerell, 1910

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Andrena (Diandrena) evoluta

Linsley & MacSwain, 1961

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Andrena (Euandrena) lawrencei

Viereck, & Cockerell, 1914

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Andrena (Euandrena) nigrocaerulea

Cockerell, 1897

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Andrena (Geissandrena) trevoris

Cockerell, 1897

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Andrena (Melandrena) nivalis

Smith, 1853

Notes

Collected from the Lewis and Clark County and Flathead County sites (Table 1, Suppl. material 1)

Andrena (Melandrena) pertristis

Cockerell, 1905

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Andrena (Melandrena) transnigra

Viereck, 1904

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Andrena (Melandrena) vicina

Smith, 1853

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Andrena (Micrandrena) melanochroa

Cockerell, 1898

Notes

Collected from the Lewis and Clark County and Park County sites (Table 1, Suppl. material 1)

Andrena (Micrandrena) microchlora

Cockerell, 1922

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Andrena (Plastandrena) crataegi

Robertson, 1893

Notes

Collected from the Lewis and Clark County and Park County sites (Table 1, Suppl. material 1)

Andrena (Plastandrena) prunorum

Cockerell, 1896

Notes

Collected from the Lewis and Clark County and Park County sites (Table 1, Suppl. material 1)

Andrena (Scaphandrena) aff. shoshoni

Ribble, 1974

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Andrena (Scaphandrena) scurra

Viereck, 1904

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Andrena (Scaphandrena) walleyi

Cockerell, 1932

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Andrena (Thysandrena) candida

Smith, 1879

Notes

Collected from the Park County and Flathead County sites (Table 1, Suppl. material 1)

Andrena (Thysandrena) knuthiana

Cockerell, 1901

Notes

Collected from the Park County and Flathead County sites (Table 1, Suppl. material 1)

Andrena (Thysandrena) medionitens

Cockerell, 1902

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Andrena (Thysandrena) vierecki

Cockerell, 1904

Notes

Collected from the Park County site (Table 1, Suppl. material 1)

Andrena (Trachandrena) amphibola

(Viereck, 1904)

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1)

Andrena (Trachandrena) cleodora

(Viereck, 1904)

Notes

Collected from the Lewis and Clark County and Flathead County sites (Table 1, Suppl. material 1)

Andrena (Trachandrena) cupreotincta

Cockerell, 1901

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Andrena (Trachandrena) miranda

Smith, 1879

Notes

Collected from the Lewis and Clark County and Park County sites (Table 1, Suppl. material 1)

Andrena (Trachandrena) salicifloris

Cockerell, 1897

Notes

Collected from the Lewis and Clark County and Park County sites (Table 1, Suppl. material 1)

Andrena (Trachandrena) sigmundi

Cockerell, 1902

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Andrena sp. F7

Notes

Collected from the Lewis and Clark County and Park County sites (Table 1, Suppl. material 1)

Andrena sp. F8

Notes

Collected from the Lewis and Clark County and Flathead County sites (Table 1, Suppl. material 1)

Andrena sp. F11

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Andrena sp. F12

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Andrena sp. F13

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Andrena sp. F14

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Andrena sp. F15

Notes

Collected from the Park County site (Table 1, Suppl. material 1)

Andrena sp. F16

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Andrena sp. F17

Notes

Collected from the Lewis and Clark County and Park County sites (Table 1, Suppl. material 1)

Panurginus atriceps

(Cresson, 1878)

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1)

Panurginus sp. F1

Notes

Collected from the Park County site (Table 1, Suppl. material 1)

Panurginus sp.1

Notes

Collected from the Park County site (Table 1, Suppl. material 1)

Protandrena (Pterosarus) innuptus

(Cockerell, 1896)

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Agapostemon (Agapostemon) texanus

Cresson, 1872

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Agapostemon (Agapostemon) virescens

(Fabricius, 1775)

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Dufourea dilatipes

Bohart, 1948

Notes

Collected from the Park County site (Table 1, Suppl. material 1)

Dufourea maura

(Cresson, 1878)

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1)

Dufourea trochantera

Bohart, 1948

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Halictus (Nealictus) farinosus

Smith, 1853

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Halictus (Odontalictus) ligatus

Say, 1837

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Halictus (Protohalictus) rubicundus

(Christ, 1791)

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1)

Halictus (Seladonia) confusus

Smith, 1853

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1),)

Halictus (Seladonia) tripartitus

Cockerell, 1895

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Lasioglossum (Dialictus) abundipunctum

Gibbs, 2010

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Lasioglossum (Dialictus) aff.caducum

(Sandhouse, 1924)

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Lasioglossum (Dialictus) aff.nevadense

(Crawford, 1907)

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Lasioglossum (Dialictus) albipenne

(Robertson, 1890)

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Lasioglossum (Dialictus) brunneiventre

(Crawford, 1907)

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Lasioglossum (Dialictus) ebmerellum

Gibbs, 2010

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Lasioglossum (Dialictus) ephialtum

Gibbs, 2010

Notes

Collected from the Park County and Flathead County sites (Table 1, Suppl. material 1)

Lasioglossum (Dialictus) hudsoniellum

(Cockerell, 1919)

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Lasioglossum (Dialictus) hyalinum

Crawford, 1907

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Lasioglossum (Dialictus) marinense

(Michener, 1936)

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1)

Lasioglossum (Dialictus) nevadense

(Crawford, 1907)

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Lasioglossum (Dialictus) nigroviride

(Graenicher, 1911)

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1)

Lasioglossum (Dialictus) aff.lilliputense

Gibbs, 2010

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Lasioglossum (Dialictus) aff.occidentale

(Crawford, 1902)

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Lasioglossum (Dialictus) aff.pavoninum

(Ellis, 1913)

Notes

Collected from the Park County site (Table 1, Suppl. material 1)

Lasioglossum (Dialictus) obnubilum

(Sandhouse, 1924)

Notes

Collected from the Park County and Flathead County sites (Table 1, Suppl. material 1)

Lasioglossum (Dialictus) occidentale

(Crawford, 1902)

Notes

Collected from the Park County site (Table 1, Suppl. material 1)

Lasioglossum (Dialictus) planatum

(Lovell, 1905)

Notes

Collected from the Park County site (Table 1, Suppl. material 1)

Lasioglossum (Dialictus) pruinosum

(Robertson, 1892)

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Lasioglossum (Dialictus) ruidosense

(Cockerell, 1897)

Notes

Collected from the Lewis and Clark County and Park County sites (Table 1, Suppl. material 1)

Lasioglossum (Dialictus) sedi

(Sandhouse, 1924)

Notes

Collected from the Lewis and Clark County, Park County and Flathead county sites (Table 1, Suppl. material 1)

Lasioglossum (Dialictus) semicaeruleum

(Cockerell, 1895)

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Lasioglossum (Dialictus) sp. F17

Notes

Collected from the Park County site (Table 1, Suppl. material 1)

Lasioglossum (Dialictus) sp. F27

Notes

Collected from the Lewis and Clark County, Park County and Flathead county sites (Table 1, Suppl. material 1)

Lasioglossum (Dialictus) succinipenne

(Ellis, 1913)

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Lasioglossum (Dialictus) tenax

(Sandhouse, 1924)

Notes

Collected from the Park County site (Table 1, Suppl. material 1)

Lasioglossum (Dialictus) versatum

(Robertson, 1902)

Notes

Collected from the Flathead County site (Table 1, Suppl. material 1)

Lasioglossum (Dialictus) vierecki

(Crawford, 1904)

Notes

Collected from the Lewis and Clark County and Park County sites (Table 1, Suppl. material 1)

Lasioglossum (Evylaeus) sp. F1

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1)

Lasioglossum (Evylaeus) sp. F2

Notes

Collected from the Lewis and Clark County and Flathead County sites (Table 1, Suppl. material 1)

Lasioglossum (Evylaeus) sp. F3

Notes

Collected from the Lewis and Clark County and Park County sites (Table 1, Suppl. material 1)

Lasioglossum (Evylaeus) sp. F4

Notes

Collected from the Flathead County site (Table 1, Suppl. material 1)

Lasioglossum (Evylaeus) sp. F5

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1)

Lasioglossum (Evylaeus) sp. F6

Notes

Collected from the Park County and Flathead County sites (Table 1, Suppl. material 1)

Lasioglossum (Evylaeus) sp. F7

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Lasioglossum (Evylaeus) sp. F8

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Lasioglossum (Evylaeus) sp. F9

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Lasioglossum (Evylaeus) sp. F28

Notes

Collected from the Lewis and Clark County and Park County sites (Table 1, Suppl. material 1)

Lasioglossum (Lasioglossum) anhypops

McGinley, 1986

Notes

Collected from the Park County and Flathead County sites (Table 1, Suppl. material 1)

Lasioglossum (Lasioglossum) egregium

(Vachal, 1904)

Notes

Collected from the Lewis and Clark County and Park County sites (Table 1, Suppl. material 1)

Lasioglossum (Lasioglossum) paraforbesii

McGinley, 1986

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Lasioglossum (Lasioglossum) sisymbrii

(Cockerell, 1895)

Notes

Collected from the Lewis and Clark County and Park County sites (Table 1, Suppl. material 1)

Lasioglossum (Leuchalictus) leucozonium

(Schrank, 1781)

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Lasioglossum (Sphecodogastra) aberrans

(Crawford, 1903)

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Lasioglossum (Sphecodogastra) lusorium

(Cresson, 1872)

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Anthidiellum (Loyolanthidium) notatum Robertsoni

(Cockerell, 1904)

Notes

New species for Montana. Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Anthidium (Anthidium) atrifrons

Cresson, 1868

Notes

Collected from the Lewis and Clark County and Park County sites (Table 1, Suppl. material 1)

Anthidium (Anthidium) clypeodentatum

Swenk, 1914

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Anthidium (Anthidium) formosum

Cresson, 1878

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Anthidium (Anthidium) mormonum

Cresson, 1878

Notes

Collected from the Lewis and Clark County and Park County sites (Table 1, Suppl. material 1)

Anthidium (Anthidium) placitum

Cresson, 1879

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Anthidium (Anthidium) tenuiflorae

Cockerell, 1907

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Anthidium (Anthidium) utahense

Swenk, 1914

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Ashmeadiella (Ashmeadiella) gillettei

Titus, 1904

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Ashmeadiella (Ashmeadiella) bucconis

(Say, 1837)

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Ashmeadiella (Ashmeadiella) cactorum

(Cockerell, 1897)

Notes

Collected from the Lewis and Clark County and Park County sites (Table 1, Suppl. material 1)

Ashmeadiella (Ashmeadiella) californica

(Ashmead, 1897)

Notes

Collected from the Lewis and Clark County and Park County sites (Table 1, Suppl. material 1)

Ashmeadiella (Ashmeadiella) meliloti

(Cockerell, 1897)

Notes

New species for Montana. Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Ashmeadiella (Ashmeadiella) pronitens

(Cockerell, 1906)

Notes

New species for Montana. Collected from the Park County site (Table 1, Suppl. material 1)

Chelostoma (Chelostoma) minutum

Crawford, 1916

Notes

Collected from the Park County site (Table 1, Suppl. material 1)

Coelioxys (Boreocoelioxys) moesta

Cresson, 1864

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1)

Coelioxys (Boreocoelioxys) porterae

Cockerell, 1900

Notes

Collected from the Lewis and Clark County and Flathead County sites (Table 1, Suppl. material 1)

Coelioxys (Boreocoelioxys) rufitarsis

Smith, 1854

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Coelioxys (Coelioxys) sodalis

Cresson, 1878

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Coelioxys (Cyrtocoelioxys) modesta

Smith, 1854

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1)

Coelioxys (Paracoelioxys) funeraria

Smith, 1854

Notes

Collected from the Flathead County site (Table 1, Suppl. material 1)

Coelioxys (Synocoelioxys) alternata

Say, 1837

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Dianthidium (Dianthidium) cressonii

(Dalla Torre, 1896)

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Dianthidium (Dianthidium) subparvum

Swenk, 1914

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Dianthidium (Dianthidium) ulkei

(Cresson, 1878)

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Dioxys productus

(Cresson, 1879)

Notes

New species for Montana. Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Heriades (Neotrypetes) carinatus

Cresson, 1864

Notes

Collected from the Lewis and Clark County and Flathead County sites (Table 1, Suppl. material 1)

Heriades (Neotrypetes) cressoni

Michener, 1938

Notes

Collected from the Lewis and Clark County and Park County sites (Table 1, Suppl. material 1)

Heriades (Neotrypetes) variolosa

(Cresson, 1872)

Notes

Collected from the Lewis and Clark County and Flathead County sites (Table 1, Suppl. material 1)

Hoplitis (Alcidamea) albifrons argentifrons

(Cresson, 1864)

Notes

Collected from the Park County site (Table 1, Suppl. material 1)

Hoplitis (Alcidamea) fulgida fulgida

(Cresson, 1864)

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1)

Hoplitis (Alcidamea) grinnelli

(Cockerell, 1910)

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Hoplitis (Alcidamea) hypocrita

(Cockerell, 1906)

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Hoplitis (Alcidamea) producta

(Cresson, 1864)

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1)

Hoplitis (Alcidamea) truncata

(Cresson, 1878)

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Hoplitis (Formicapis) robusta

(Nylander, 1848)

Notes

Collected from the Park County site (Table 1, Suppl. material 1)

Megachile (Argyropile) parallela

Smith, 1853

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Megachile (Chelostomoides) campanulae

(Robertson, 1903)

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Megachile (Chelostomoides) angelarum

Cockerell, 1902

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Megachile (Eutricharaea) apicalis

Spinola, 1808

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Megachile (Eutricharaea) rotundata

(Fabricius, 1793)

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Megachile (Litomegachile) brevis

Say, 1837

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Megachile (Litomegachile) onobrychidis

Cockerell, 1905

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Megachile (Litomegachile) texana

Cresson, 1878

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Megachile (Megachile) lapponica

Thomson, 1872

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1)

Megachile (Megachile) montivaga

Cresson, 1878

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Megachile (Megachile) relativa

Cresson, 1878

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1)

Megachile (Megachiloides) subnigra

Cresson, 1879

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Megachile (Megachiloides) wheeleri

Mitchell, 1927

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Megachile (Sayapis) fidelis

Cresson, 1878

Notes

Collected from the Lewis and Clark County site ((Table 1, Suppl. material 1)

Megachile (Sayapis) pugnata

Say, 1837

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1)

Megachile (Xanthosarus) frigida

Smith, 1853

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1)

Megachile (Xanthosarus) gemula

Cresson, 1878

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1)

Megachile (Xanthosarus) latimanus

Say, 1823

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Megachile (Xanthosarus) melanophaea

Smith, 1853

Notes

Collected from the Lewis and Clark County and Park County sites (Table 1, Suppl. material 1)

Megachile (Xanthosarus) perihirta

Cockerell, 1898

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1)

Osmia (Cephalosmia) californica

Cresson, 1864

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Osmia (Cephalosmia) marginipennis

Cresson, 1878

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Osmia (Cephalosmia) montana montana

Cresson, 1864

Notes

Collected from the Lewis and Clark County and Park County sites (Table 1, Suppl. material 1)

Osmia (Cephalosmia) subaustralis

Cockerell, 1900

Notes

Collected from the Park County site (Table 1, Suppl. material 1)

Osmia (Hapsidosmia) iridis

Cockerell and Titus, 1902

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Osmia (Helicosmia) coloradensis

Cresson, 1878

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1)

Osmia (Helicosmia) texana

Cresson, 1872

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Osmia (Melanosmia) aff.albolateralis

Cockerell, 1906

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Osmia (Melanosmia) aff.grindeliae

Cockerell, 1900

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Osmia (Melanosmia) aff.paradisica

Sandhouse, 1924

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1)

Osmia (Melanosmia) aff.pusilla

Cresson, 1864

Notes

Collected from the Park County site (Table 1, Suppl. material 1)

Osmia (Melanosmia) albolateralis

Cockerell, 1906

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1)

Osmia (Melanosmia) atrocyanea

Cockerell, 1897

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Osmia (Melanosmia) brevis

Cresson, 1864

Notes

Collected from the Lewis and Clark County and Park County sites (Table 1, Suppl. material 1)

Osmia (Melanosmia) bruneri

Cockerell, 1897

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Osmia (Melanosmia) bucephala

Cresson, 1864

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1)

Osmia (Melanosmia) cyanella

Cockerell, 189

Notes

Collected from the Flathead County site (Table 1, Suppl. material 1)

Osmia (Melanosmia) densa

Cresson, 1864

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1)

Osmia (Melanosmia) ednae

Cockerell, 1907

Notes

Collected from the Park County site (Table 1, Suppl. material 1)

Osmia (Melanosmia) grindeliae

Cockerell, 1910

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1)

Osmia (Melanosmia) inermis

(Zetterstedt, 1838)

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1)

Osmia (Melanosmia) integra

Cresson, 1878

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Osmia (Melanosmia) juxta

Cresson, 1864

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1)

Osmia (Melanosmia) kincaidii

Cockerell, 1897

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Osmia (Melanosmia) longula

Cresson, 1864

Notes

Collected from the Lewis and Clark County and Park County sites (Table 1, Suppl. material 1)

Osmia (Melanosmia) malina

Cockerell, 1909

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Osmia (Melanosmia) nigrifrons

Cresson, 1878

Notes

Collected from the Lewis and Clark County and Park County sites (Table 1, Suppl. material 1)

Osmia (Melanosmia) nigriventris

(Zetterstedt, 1838)

Notes

Collected from the Park County site (Table 1, Suppl. material 1)

Osmia (Melanosmia) odontogaster gr.sp.1

Notes

Collected from the Lewis and Clark County and Park County sites (Table 1, Suppl. material 1)

Osmia (Melanosmia) odontogaster gr.sp.2

Notes

Collected from the Park County site (Table 1, Suppl. material 1)

Osmia (Melanosmia) paradisica

Sandhouse, 1924

Notes

Collected from the Park County site (Table 1, Suppl. material 1)

Osmia (Melanosmia) pentstemonis

Cockerell, 1906

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1)

Osmia (Melanosmia) phaceliae

Cockerell, 1907

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1)

Osmia (Melanosmia) physariae

Cockerell, 1907

Notes

Collected from the Park County site (Table 1, Suppl. material 1)

Osmia (Melanosmia) pikei

Cockerell, 1907

Notes

Collected from the Park County site (Table 1, Suppl. material 1)

Osmia (Melanosmia) proxima

Cresson, 1864

Notes

Collected from the Park County site (Table 1, Suppl. material 1)

Osmia (Melanosmia) pusilla

Cresson, 1864

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1)

Osmia (Melanosmia) sculleni

Sandhouse, 1939

Notes

Collected from the Park County site (Table 1, Suppl. material 1)

Osmia (Melanosmia) simillima

Smith, 1853

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Osmia (Melanosmia) sp.3

Notes

Collected from the Flathead County site (Table 1, Suppl. material 1)

Osmia (Melanosmia) sp.9

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Osmia (Melanosmia) tersula

Cockerell, 1912

Notes

Collected from the Park County site (Table 1, Suppl. material 1)

Osmia (Melanosmia) trevoris

Cockerell, 1897

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Osmia (Melanosmia) tristella

Cockerell, 1897

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1)

Osmia (Osmia) lignaria propinqua

Cresson, 1864

Notes

Collected from the Lewis and Clark County and Park County sites (Table 1, Suppl. material 1)

Stelis (Stelis) aff. permaculata

Cockerell, 1898

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Stelis (Stelis) calliphorina

(Cockerell, 1911)

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Stelis (Stelis) callura

Cockerell, 1925

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Stelis (Stelis) carnifex

Cockerell, 1911

Notes

Collected from the Lewis and Clark County and Park County sites (Table 1, Suppl. material 1)

Stelis (Stelis) foederalis gr.sp.2

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Stelis (Stelis) foederalis gr.sp.6

Notes

Collected from the Lewis and Clark County and Flathead County sites (Table 1, Suppl. material 1)

Stelis (Stelis) foederalis gr.sp.7

Notes

Collected from the Park County site (Table 1, Suppl. material 1)

Stelis (Stelis) foederalis gr.sp.8

Notes

Collected from the Park County site (Table 1, Suppl. material 1)

Stelis (Stelis) montana

Cresson, 1864

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1)

Stelis (Stelis) monticola

Cresson, 1878

Notes

Collected from the Lewis and Clark County and Park County sites (Table 1, Suppl. material 1)

Stelis (Stelis) nitida

Cresson, 1878

Notes

Collected from the Park County site (Table 1, Suppl. material 1)

Stelis (Stelis) permaculata

Cockerell, 1898

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Anthophora (Clisodon) terminalis

Cresson, 1869

Notes

Collected from the Lewis and Clark County and Park County sites (Table 1, Suppl. material 1)

Anthophora (Lophanthophora) pacifica

Cresson, 1878

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Anthophora (Lophanthophora) ursina

Cresson, 1869

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Anthophora (Melea) bomboides

Kirby, 1838

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Anthophora (Mystacanthophora) urbana

Cresson, 1878

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Apis mellifera

Linnaeus, 1758

Notes

Collected from the Lewis and Clark County and Park County sites (Table 1, Suppl. material 1)

Bombus (Bombus) occidentalis

Greene, 1858

Notes

Collected from the Park County and Flathead County sites (Table 1, Suppl. material 1)

Bombus (Cullumanobombus) griseocollis

(De Geer, 1773)

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Bombus (Cullumanobombus) rufocinctus

Cresson, 1863

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1)

Bombus (Psithyrus) flavidus

Eversmann, 1852

Notes

Collected from the Park County and Flathead County sites (Table 1, Suppl. material 1)

Bombus (Psithyrus) insularis

(Smith, 1861)

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1)

Bombus (Psithyrus) suckleyi

Greene, 1860

Notes

Collected from the Flathead County site (Table 1, Suppl. material 1)

Bombus (Pyrobombus) bifarius

Cresson, 1878

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1)

Bombus (Pyrobombus) centralis

Cresson, 1864

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1)

Bombus (Pyrobombus) flavifrons

Cresson, 1863

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1)

Bombus (Pyrobombus) huntii

Greene, 1860

Notes

Collected from the Lewis and Clark County and Park County sites (Table 1, Suppl. material 1)

Bombus (Pyrobombus) melanopygus

Nylander, 1848

Notes

Collected from the Park County and Flathead County sites (Table 1, Suppl. material 1)

Bombus (Pyrobombus) mixtus

Cresson, 1878

Notes

Collected from the Park County and Flathead County sites (Table 1, Suppl. material 1)

Bombus (Pyrobombus) sitkensis

Nylander, 1848

Notes

Collected from the Flathead County site (Table 1, Suppl. material 1)

Bombus (Pyrobombus) vagans

Smith, 1854

Notes

Collected from the Flathead County site (Table 1, Suppl. material 1)

Bombus (Subterraneobombus) appositus

Cresson, 1878

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1)

Bombus (Subterraneobombus) borealis

Kirby, 1837

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Bombus (Thoracobombus) californicus

Smith, 1854

Notes

Collected from the Flathead County site (Table 1, Suppl. material 1)

Bombus (Thoracobombus) fervidus

(Fabricius, 1798)

Notes

Collected from the Lewis and Clark County and Park County sites (Table 1, Suppl. material 1)

Ceratina (Zadontomerus) nanula

Cockerell, 1897

Notes

Collected from the Lewis and Clark County, Park County and Flathead County sites (Table 1, Suppl. material 1)

Ceratina (Zadontomerus) neomexicana

Cockerell, 1901

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Diadasia (Coquillettapis) diminuta

(Cresson, 1878)

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Epeolus sp.

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Eucera (Synhalonia) edwardsii

(Cresson, 1878)

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Eucera (Synhalonia) frater

(Cresson, 1878)

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Eucera (Synhalonia) fulvitarsis

(Cresson, 1878)

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Melecta (Melecta) pacifica fulvida

Cresson, 1878

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Melecta (Melecta) separata

Cresson, 1879

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Melissodes (Eumelissodes) confusa

Cresson, 1878

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Melissodes (Eumelissodes) coreopsis

Robertson, 1905

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Melissodes (Eumelissodes) hymenoxidis

Cockerell, 1906

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Melissodes (Eumelissodes) microstictus

Cockerell, 1905

Notes

Collected from the Lewis and Clark County and Park County sites (Table 1, Suppl. material 1)

Melissodes (Eumelissodes) utahensis

LaBerge, 1961

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Melissodes (Heliomelissodes) rivalis

Cresson, 1872

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Melissodes sp. F1

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Melissodes sp. F2

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Melissodes unk1

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Nomada edwardsii

Cresson, 1878

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Nomada sp. F1

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Nomada sp. F2

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Nomada sp. F3

Notes

Collected from the Lewis and Clark County and Park County sites (Table 1, Suppl. material 1)

Nomada sp. F4

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Nomada sp. F5

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Nomada sp. F6

Notes

Collected from the Park County site (Table 1, Suppl. material 1)

Nomada sp. F7

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Nomada sp. F8

Notes

Collected from the Flathead County site (Table 1, Suppl. material 1)

Triepeolus paenepectoralis

Viereck, 1905

Notes

Collected from the Lewis and Clark County site (Table 1, Suppl. material 1)

Analysis

We collected 8011 bee specimens representing 281 species and morphospecies in 32 genera and five families between 2013 and 2016. Following are the total number of specimens by family (to avoid inflating species richness, we did not include male morphospecies in species counts because female morphospecies may have been the same species): Colletidae: 357 specimens, 2 genera, 17 species; Andrenidae: 395 specimens, 3 genera, 44 species and morphospecies; Halictidae: 1251 specimens, 4 genera, 55 species and morphospecies; Megachilidae: 2920 specimens, 12 genera, 113 species and morphospecies; Apidae: 3088 specimens, 11 genera, 52 species and morphospecies.

Though resources did not allow for a comprehensive literature search to assess new state records for all the species on this checklist, an exploratory search for 25 of the species (in no particular order) revealed no previously published records in Montana for Andrena saccata Viereck; Anthidiellum notatum robertsoni (Cockerell); Ashmeadiella meliloti (Cockerell); Ashmeadiella pronitens (Cockerell); Colletes lutzi lutzi Timberlake; and Dioxys productus (Cresson). In addition, Dolan et al. (2017) reported a specimen of Bombus borealis Kirby from this study to be a first Montana state record. In effect, this brings the number of known bee species in Montana up from 366 (Kuhlman and Burrows 2017) to at least 372, and indicates a clear need for more extensive bee surveys in the state.

Discussion

Because Montana spans a large area of diverse topography, landscape and climate (Dolan et al. 2017), species groups are likely to vary among different locations. For instance, compared with a checklist of bees from a similar montane habitat in Montana (Kuhlman and Burrows 2017), there was some overlap among species, with 121 species (not including morphospecies) in common with our list, but also some variability, with 126 species unique to our study. When compared to an unpublished study on bees associated with native flower strips around agricultural fields in the Gallatin Valley, Montana (C.M. Delphia pers. com.), the species suites included 117 species in common and 130 unique to our study. We expect that future biosurvey efforts will reveal hundreds of species not yet listed in Montana.

There is growing evidence of declines in wild bee species diversity (Winfree et al. 2009, Winfree 2010, Potts et al. 2010, Burkle et al. 2013, Goulson et al. 2015, Woodcock et al. 2016, Koh et al. 2015). In order to determine whether bee declines are occurring, baseline data or repeated monitoring surveys are required. The lack of comprehensive surveys or monitoring of native bee populations across Montana has resulted in a lack of species lists for the state as well as difficulty in tracking population, species, and community trends. This checklist adds to the basic understanding of native bee fauna, and we hope it will stimulate further research in this important field.

Supplementary Material

Supplementary material 1

Supplementary Table1

Elizabeth G. Reese, Laura A. Burkle, Casey M. Delphia, Terry Griswold

Data type: Species Collection Dates

File: oo_236872.pdf

bdj-06-e27161-s001.pdf^{(118KB, pdf)}

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Associated Data

This section collects any data citations, data availability statements, or supplementary materials included in this article.

Supplementary Materials

Supplementary material 1

Supplementary Table1

Elizabeth G. Reese, Laura A. Burkle, Casey M. Delphia, Terry Griswold

Data type: Species Collection Dates

File: oo_236872.pdf

bdj-06-e27161-s001.pdf^{(118KB, pdf)}

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PERMALINK

A list of bees from three locations in the Northern Rockies Ecoregion (NRE) of western Montana

Elizabeth G Reese

Laura A Burkle

Casey M Delphia

Terry Griswold

Abstract Abstract

Background

New information

Introduction

Materials and methods

Study Region

Table 1.

Figure 1.

Collection Methods

Species Identification

Table 2.

Checklists

List of Bees

Colletes consors consors

Notes

Colletes fulgidus

Notes

Colletes hyalinus hyalinus

Notes

Colletes kincaidii

Notes

Colletes lutzi lutzi

Notes

Colletes phaceliae

Notes

Hylaeus (Cephalylaeus) basalis

Notes

Hylaeus (Hylaeus) annulatus

Notes

Hylaeus (Hylaeus) leptocephalus

Notes

Hylaeus (Hylaeus) mesillae

Notes

Hylaeus (Hylaeus) rudbeckiae

Notes

Hylaeus (Hylaeus) verticalis

Notes

Hylaeus (Paraprosopis) coloradensis

Notes

Hylaeus (Paraprosopis) nevadensis

Notes

Hylaeus (Paraprosopis) wootoni

Notes

Hylaeus (Prosopis) episcopalis

Notes

Hylaeus (Prosopis) modestus

Notes

Andrena (Andrena) milwaukeensis

Notes

Andrena (Andrena) saccata

Notes

Andrena (Andrena) thaspii

Notes

Andrena (Andrena) topazana

Notes

Andrena (Andrena) sp. F1

Notes

Andrena (Cnemidandrena) surda

Notes

Andrena (Diandrena) evoluta

Notes

Andrena (Euandrena) lawrencei

Notes

Andrena (Euandrena) nigrocaerulea

Notes

Andrena (Geissandrena) trevoris

Notes

Andrena (Melandrena) nivalis

Notes

Andrena (Melandrena) pertristis

Notes

Andrena (Melandrena) transnigra

Notes

Andrena (Melandrena) vicina