Pachycorynus lanceolatus spec. nov.

urn:lsid:zoobank.org:act: EB10CBEA-8DEE-42EC-A58C-585FB85078D8

(Figs 13-15, 32)

Examined material: Holotype ♂: Borneo, Sabah, Danum Valley, 90 km W Lahad Datu, 100 m, Zhou 22.IV.2015 (cB).

Description: Length of body 3.5 mm; from anterior margin of head to posterior margin of elytra: about 1.9 mm. Head without lateral grooves. Similar to P. danum spec. nov. from which differs by the following characters: body (Fig. 32) narrower, with partially lighter posterior half of elytra; head longer and narrower, with more evident punctation; eyes larger and more protruding; pronotum longer, less dilated anteriad, with more oblique anterior margins and sparser punctation; elytra narrower.

Tergite and sternite of the male genital segment as in Figs 13-14. Aedeagus (Fig. 15) with moderately long basal bulb; distal portion small, 0.18 mm long, with spear shaped apex; inner sac apparently not visible.

Etymology: The specific epithet is the Latin lanceolatus (spear shaped), in relation to the shape of the apex of the median lobe.

Distribution: The species is known only from the type locality.