Colliuris bivittis ( Chaudoir, 1872 )

Bousquet, Yves, 2010, Review of the Nearctic, Mexican and West Indian (Greater Antilles) species of Colliuris Degeer (Coleoptera: Carabidae: Odacanthini), Zootaxa 2529, pp. 1-39 : 31-32

Colliuris bivittis ( Chaudoir, 1872)

Casnonia bivittis Chaudoir, 1872: 402 . Type locality: « Mexique » (original citation). Colliuris bivittis: Liebke (1930: 665) .

Type material. Chaudoir originally described this species on a single specimen. The holotype, a male housed in MHNP, is labelled: "Ex Musaeo Chaudoir [stamped in red]/ HOLO [red label]/ TYPE [red label]/ Holotype Casnonia bivittis Chd det. G.E. Ball ‘72 [partly handwritten]/ Muséum Paris".

Description [holotype ɗ]. COLOR. Head and pronotum black; elytron yellowish with extreme base, intervals 1–3 except at apex and a more or less square spot behind middle running from lateral edge to interval 5 reddish-brown; lateral margin not contrastingly paler. Antennomeres more or less uniformly yellowish. Femur yellow with apical third infuscate; tibia yellow with basal third infuscate. MICROSCULPTURE. Body dorsally, proepisternum and prosternum without meshes or microlines. Abdominal sterna (except last one) with meshes except over posterior half medially; last visible sternum with meshes all over. HEAD. Posterior supraorbital seta located at level of posterior edge of eye. Medial side of eye with sulcus and ridge. Frons with shallow, median impression, and deeper one on each side behind frontoclypeal suture. PROTHORAX. Pronotum with more or less regular transverse wrinkles; side with one seta; anterior edge without lateral projection. ELYTRA. Interval 3 with three discal setae, interval 5 with eight discal setae. Strial punctures distinct to near apex, rather coarse over anterior half, finer on posterior half.

Body length: 6.4 mm.

Geographical distribution. Of this species, I have seen only the holotype.