ValdésPavelNotes about morphological features of the Western Hemisphere subtribe Ardistomina, and revision of genus Semiardistomis Kult (Coleoptera, Carabidae, Scaritinae, Clivinini) Zookeys24720122012210196710.3897/zookeys.210.3042 Semiardistomis darlingtoni http://species-id.net/wiki/Semiardistomis_darlingtoni (Kult, 1950)Figs 3957Ardistomis (Semiardistomis) darlingtoni Kult, 1950: 311.Semiardistomis darlingtoni (Kult); Lorenz 1998: 136.Type material.

Holotype male (ADVA), glued on pinned card, genitalia attached in microvial, labeled: handwritten “darlingtoni 57 Det. K. Kult”/ “Darlingtoni Kt. det. K.Kult”/ “ Brasilia Jatahy (Goyas)”/ printed on red paper “TYPE”.

Type area.

Given by Kult (1950: 312) as “Brasilia, Goyaz”, Brazil

Diagnosis.

Elytral surface smooth, impunctate, elytral striae impressed in basal third, three setiferous punctures on interval 5 and 8 in interval 3, stria 2 absent, prominent humeral tooth at junction of third stria with marginal channel. Profemur glabrous. Abdominal sternum VII with 5+5 setiferous punctures.

Habitus.

dorsal aspect, as in Fig. 39.

Measurements and variation.

Variation of measurements (mm) and ratios for Semiardistomis darlingtoni (n=1) are: HL = 0,70; PL = 1,22; PW = 1,38; EL = 3,42; EW = 2,21; SBL = 5,4; PW/EW = 0,62; PW/PL = 1,13; PL/EL = 0,36; EW/EL = 0,64.

Geographical distribution

(Fig. 57). Known only from the type area.

Note.

The holotype is teneral. The species is closely related to Semiardistomis subglabra.

39 Semiardistomis darlingtoni (Kult) (teneral) 40 Semiardistomis subglabra (van Emden). Dorsal aspect. Scale bar 1 mm.

Distribution map of members of the puncticollis species–group.

LorenzW (1998) Systematic list of extant ground beetles of the world (Insecta, Coleoptera “Geadephaga”: Trachypachidae and Carabidae incl.Paussinae, Cicindelinae, Rhysodinae). W. Lorenz, Tutzing, Germany, 502 pp.KultK (1950) New Neotropical species of the group Ardistominina (Carabidae, Col.).Arthropoda 1: 299-325.