Table 2.

Flower visitors to the nine species of asclepiads

	Asclepias cucullata	Asclepias woodii	Aspidonepsis diploglossa	Miraglossum verticillare	Miraglossum pilosum	Pachycarpus natalensis	Sisyranthus trichostomus	Xysmalobium gerrardii	Xysmalobium involucratum
Hymenoptera
Hemipepsis hilaris Smith	.	.	.	18	9	20	2	41	1
Pompilidae sp. 2	.	.	.	.	.	.	.	1	.
Tiphia sp. (Tiphidae)	.	1	.	.	.	.	.	.	.
Arge sp. (Tenthredinoidea: Argidae)	.	.	.	.	.	.	1	.	.
Apis mellifera L.	.	.	1	.	.	.	1	3	.
Halictidae sp. 1	.	.	2	.	.	.	.	.	.
Halictidae sp. 2	1	.	.	.	.	.	.	.	.
Other wasps	.	1	1	.	.	.	.	1	3
Other bees	.	.	.	.	.	.	.	1	1
Other solitary bees	.	1	2	.	.	9	.	.	.
Coleoptera
Atrichelaphinis tigrina (Olivier)	.	15	.	1	.	.	35	15	6
Cyrtothyrea marginalis (Swartz)	.	8	.	1	.	.	42	6	.
Lycidae sp.	.	.	.	.	.	.	.	2	.
Cantharidae sp.	.	.	.	.	.	.	.	2	.
Elateridae sp.	.	.	.	.	.	.	.	.	4
Chrysomelidae sp. 1	.	.	.	.	.	1	.	.	1
Chrysomelidae sp. 2	.	.	.	.	.	.	1	1	1
Scarabaeidae: Scarabaeinae sp. 1	.	.	.	.	.	.	.	3	.
Scarabaeidae: Scarabaeinae sp. 2	.	.	.	.	.	.	.	3	1
Scarabaeidae: Scarabaeinae sp. 3	.	.	.	.	.	.	.	1	.
Curculionidae sp. 1	.	.	.	.	.	.	10	4	1
Curculionidae sp. 2	.	2	.	.	.	.	.	.	.
Coleoptera sp. 3	.	.	.	.	.	.	.	2	.
Coleoptera sp. 8	.	.	.	.	.	.	1	.	.
Other Coleoptera	.	.	.	.	.	.	.	4	4
Heteroptera
Aspilocoryphus fasciativentris (Stal)  (Lygaeidae: Lygaeoidea)	1	.	.	1	.	4	1	139	1
Lygaeidae sp. 2	.	.	.	1	.	1	.	8	2
Coreidae sp.	.	.	.	.	.	.	.	1	.
Spilostethus rivularis (F.) (Lygaeidae)	.	.	.	.	.	1	.	.	.
Homoecerus annulatus Thunberg. (Lygaeidae)	.	.	.	.	.	1	.	.	.
Pentatomidae: Pentatomoidea sp.	.	.	.	.	.	.	.	1	.
Other Heteroptera	.	.	.	.	.	.	.	1	.
Diptera
Calliphoridae genus 1	.	.	.	.	.	.	.	1	.
Calliphoridae genus 2	.	.	.	.	.	.	2	6	.
Calliphoridae genus 3	.	.	.	.	.	.	.	1	.
Sarcophaga sp. (Sarcophagidae)	.	1	.	6	.	11	.	53	1
Musca domestica L. (Muscidae)	.	.	2	.	.	.	.	3	.
Muscidae genus 2	.	.	1	.	.	.	.	.	.
Empididae sp. 1	2	.	.	.	.	1	.	.	.
Empididae sp. 2	.	.	.	.	.	.	.	1	.
Chloropidae	.	.	1	.	.	.	.	1	.
Microphthalma sp. 1 (Tachinidae)	.	.	.	.	.	1	.	.	.
Microphthalma sp. 2 (Tachinidae)	.	.	.	.	.	.	.	1	.
Tachinidae subfamily Goniinae	.	.	.	.	.	.	.	1	.
Tachinidae genus 2	.	.	.	.	.	.	.	1	.
Actea sp. (Tachinidae)	.	.	.	.	.	.	.	1	.
Sepsidae sp. 1	.	.	.	.	.	.	.	3	1
Sepsidae sp. 2	.	.	.	.	.	.	.	.	1
Sepsidae sp. 3	.	.	.	1	.	.	.	.	.
Dacus sp. (Tephritidae)	.	.	.	.	.	1	.	.	.
Bibionidae	.	.	.	.	.	.	.	1	.
Diptera sp. 3	.	.	.	.	.	.	1	.	.
Diptera sp. 22	.	.	.	.	.	1	.	.	.
Other Diptera	.	1	.	1	.	1	.	15	.
Lepidoptera
Unidentified butterfly	.	.	.	.	.	.	1	.	.
Unidentified micromoth	2	.	.	.	.	.	.	.	.

Figures are total numbers of individual insects observed to be actively foraging on the flowers. For each plant species, those insect species in bold are the ones which carried pollinaria of that plant and which are therefore assumed to be legitimate pollinators.