Semiardistomis subglabra (van Emden, 1949)

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 : 38-39

Semiardistomis subglabra (van Emden, 1949) Figs 40 57

Ardistomis subglabra van Emden, 1949: 863; Lorenz 2005: 146.

Ardistomis (Semiardistomis) vlastae Kult, 1950: 310 syn. n.

Semiardistomis subglabra (van Emden); Erwin 2011: 239.

Type material.

Holotype female (BMNH), glued on pinned point, without head, genitalia attached in microvial, labeled: green paper handwritten "subglabra Emd."/ red paper handwritten "Ardistomis subglabra type. Emd."/ green paper handwritten “amazon” / printed red circle “Holotype” / printed "Gesch. 2. 1934 von Prf. Noesske"/ printed "F. van Emden Bequest. B.M. 1960- 129"/ printed "Holotype Ardistomis subglabra Emden des. S.W. Nichols 1984".

Holotype of Semiardistomis vlastae male (ADVA), glued on pinned card, genitalia attached in microvial, labeled: handwritten "vlastae Kt. det. K.Kult"/ printed in red paper “TYPE” / printed "Chaco Pilcomayo 5-6 Jan. 1938 Tippmann".

Type area.

Given by van Emden (1949: 863) as “Amazonas”, Brazil.

Diagnosis.

Body piceous with green bluish reflections. Elytral surface smooth, impunctate, striae distinct on basal third only, impunctate, 8 setiferous punctures on interval 3, stria 2 absent. Profemur hirsute. Abdominal sternum VII with 6+6 setiferous punctures.

Habitus.

dorsal aspect, as in Fig. 40 .

Measurements and variation.

Variation of measurements (mm) and ratios for Semiardistomis subglabra (n=4) are: HL = 0,60-0,70-0,78; PL = 1,12-1,21-1,28; PW = 1,23-1,34-1,44; EL = 3,50-3,64-4,75; EW = 2,05-2,25-2,40; SBL = 5,28-5,52-5,78; PW/EW = 0,60; PW/PL = 1,11; PL/EL = 0,33; EW/EL = 0,62.

Geographical distribution

( Fig. 57 ). Widespread in South America.

Material examined.

ARGENTINA. Chaco Pilcomayo 5-6 Jan 1938 (ADVA, 1). BRAZIL. Pantanal Jun 1986 (PBPC, 2).

Figures

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

Figures 41 - 44. 41 - 43 Semiardistomis glabratus (Putzeys) 41 exemplar from Peru, Loreto 42 exemplar from Argentina, Misiones 43 exemplar from Uruguay, Montevideo 44 Semiardistomis pilosellus (Kult). Dorsal aspect. Scale bar 1 mm.