Semiardistomis darlingtoni (Kult, 1950)

Valdes, Pavel, 2012, Notes about morphological features of the Western Hemisphere subtribe Ardistomina, and revision of genus Semiardistomis Kult (Coleoptera, Carabidae, Scaritinae, Clivinini), ZooKeys 210, pp. 19-67 : 31-32

Semiardistomis darlingtoni (Kult, 1950) Figs 39 57

Ardistomis (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 .

Figures

Figure 57. Distribution map of members of the puncticollis species-group.

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