Colliuris sulcicollis (Bates, 1891)

Casnonia sulcicollis Bates, 1891: 265 . Type locality: «Ciudad, in Durango [Mexico]» (original citation). Colliuris sulcicollis: Liebke (1930: 659) .

Type material. Bates originally described this species from an unspecified number of specimens. One specimen, a female, in BMNH is herein designated as lectotype. It is labelled: " Type H.T. [white round label with red trims]/ Ciudad, Durango Höge./ Sp. Figured./ Casnonia sulcicollis, Bates. 1891 - 64/ Casnonia sulcicollis Bates [handwritten]/ Lectotype Casnonia sulcicollis Bates Des. Y. Bousquet'03".

Description. Same character states as C. pensylvanica except for the following. COLOR. Head and pronotum black with bluish green lustre; elytra entirely black with bluish lustre, the lateral margins barely paler. MICROSCULPTURE. Elytra without meshes between ombilical setae of anterior group. HEAD. Proportionally larger (see Table 1). PROTHORAX. Pronotum with five setae along each side; dentiform projection on anterior margin indistinct or almost so. Proepisternum with punctures less expanded anteriorly. ELYTRA. Flatter. Strial punctures evident up to posterior third. Intervals 3, 5 and 7 with three to five setae.

Body length: 6.0– 6.7 mm.

Geographical distribution. Besides the lectotype, I have seen two specimens only, including a male in SMTD without locality label. The species is known only from state of Durango in Mexico.

Records. Mexico. DURANGO. 5.3 km N El Pino (2350m.) 26.VII.1993, S. McCleve, G.E. & K.E. Ball (1ɗ, UASM).

Habitat. The specimen from Durango has a label reading "Grassland, under stones 93-41."