Dilophotes bolavensis, Bic, Vlastislav, 2002

Bic, Vlastislav, 2002, Review of the genus Dilophotes Waterhouse (Coleoptera: Lycidae) of the Palaearctic Region and Indochina, Zootaxa 59, pp. 1-26 : 15-16

Dilophotes bolavensis sp. n.

Type material. Holotype, male, " Laos, Attapu prov., Bolaven Plateau, 15 km SE of Ban Houaykong, Nong Lom lake env., 15.02°N, 106.35°E, alt. 800 m, 18. ­ 30. IV. 1999, E. Jendek & O. Šauša leg."( LMBC).

Diagnosis. Dilophotes bolavensis sp. n. is externally very similar to the all dark red coloured species. It has a plate­shaped internal sac and slender phallus. This differs from similar male genitalia of D. jendeki sp. n. in the much higher ratio between the length of internal sac and phallus ( Figs 16, 17 ).

Description of holotype. Body medium sized, slender, black, pronotum and elytra with red pubescence. Head with short rostrum. Interocular distance 1.19 times maximum eye diameter. Antennae slightly serrate. Pronotum 1.30 times wider than long. Frontal margin widely rounded, frontal angles inconspicuous, lateral margins slightly concave, posterior angles moderately projected. Pronotal disc with longitudinal costa reaching middle, then inconspicuous. Disc surface black, shiny, with light pubescence. Elytra slender, flat, each elytron with three longitudinal costae. Costae 1 and 3 weak in apical part. Male genitalia with long slender phallus, phallus five times length internal sac, internal sac small, plateshaped ( Fig. 16 ).

Measurements. BL 5.25 mm, WH 1.21 mm, PL 0.71 mm, PW 0.93 mm, Ediam 0.40 mm, Edist 0.47 mm.

Distribution. D. bolavensis sp. n. is known only from the type locality.

Etymology. The specific epithet is derived from the local name of the Bolaven Plateau in Laos.

Figures

FIGURES 14 ­ 23: 14 ­ 23: Male and female genitalia: 14: Dilophotes laosensis sp. n.; 15: D. sausai sp. n.; 16: D. bolavensis sp. n.; 17: D. jendeki sp. n.; 18: D. moxiensis sp. n., ar ­ apical ring; 19: D. moxiensis sp. n.; 20: D. pacholatkoi sp. n.; 21: D. pacholatkoi sp. n.; 22: D. anthracinus sp. n.; 23: D. lizipingensis sp. n.