Calochromus harauensis, Motyka, Michal & Bocak, Ladislav, 2015

Motyka, Michal & Bocak, Ladislav, 2015, The classification of Flabellochromus and Dumbrellia (Coleoptera: Lycidae) with descriptions of two new species of Calochromus from the Sundaland Region, Zootaxa 3941 (1), pp. 125-130 : 127-128

Calochromus harauensis sp. nov.

( Figs 4, 6, 7 , 12 )

Type material. Holotype, male, Indonesia, Sumatra Barat, Harau valley, Payakumbuh, 1992, native coll. ( LMBC). Diagnosis. Calochromus harauensis sp. nov. differs from C. flabellatus in the short lamella of antennomere 3 ( Figs 7–8 ).

Description. Male. Body small, 4.7 times as long as wide at humeri; head, antennae, thorax and legs black, abdomen black with metallic shine, elytra dark brown. Head hypognathous with short rostrum, frons convex, with sharp median groove, antennal sockets contiguous; eyes prominent, their frontal distance 3.2 times eye diameter. Antennae long, antennomere 3 with short lamella ( Fig. 6 ). Pronotum widest posteriorly, 1.6 times wider than length at midline, anterior and posterior angles rounded, posterior margin convex in middle. Elytra twice times longer than width at humeri, elytral costae weak ( Fig. 4 ). Male genitalia as in Fig. 12 .

Measurements. BL 12 mm, WH 2.4 mm, PL 1.5 mm, PW 1.9 mm, Edist 0.65 mm, Ediam 0.55 mm.

Distribution. Indonesia, Western Sumatra.

Etymology. The specific name refers to the Harau valley in the Indonesian West Sumatra province, the type locality of this species.

Figures

FIGURES 1 – 11. General appearance. 1 — Calochromus lamellatus; 2 — C. impressicornis; 3 — C. kelantanensis sp. nov.; 4 — C. harauensis sp. nov. Head. 5 — C. kelantanensis sp. nov.; 6 — C. harauensis sp. nov. Antenna. 7 — C. harauensis sp. nov.; 8 — C. lamellatus. Pronotum, the holotype of: 9 — Plateros brevicornis; 10 — P. melancholicus; 11 — P. barronensis. Photographs 9 – 11 taken by P. Hudson. Scales 2.0 mm (Figs 1 – 4), 1.0 mm (Figs 5 – 8).

FIGURES 12 – 15. Male genitalia. 12 — Calochromus harauensis sp. nov.; 13 — C. lamellatus; 14 — C. kelantanensis sp. nov.; 15 — C. impressicornis. Scale 0.5 mm.