Trypophloeini Nüsslin, 1911

Buhroo, Abdul Ahad, 2024, A taxonomic monograph of subfamily Scolytinae (Coleoptera: Curculionidae) in the Western Himalaya, Zootaxa 5533 (1), pp. 1-82 : 64

Tribe Trypophloeini Nüsslin, 1911

Genus Hypothenemus Westwood, 1834

Hypothenemus species are distinguished by the following combination of characters: body length: 0.6–2.8 mm (male much smaller, flightless), eyes emarginated; antennal funicle three to five-segmented, club oval with three slightly indented sutures, suture 1 partly septate visible as a dark line, suture 2 procurved and marked by setae; anterior pronotum with asperities, basal and lateral margins of pronotum finely carinate; rather abundant vestiture of rows of interstrial scales (bristles) and rows of recumbent strial setae; host: deciduous trees.

Key to the Western Himalayan species of Hypothenemus Westwood, 1834

1 Anterior pronotal margin with 4 closely placed serrations, median pair largest, anterior slope armed by 18–20 distinct asperities.......................................................................... H. birmanus (Eichhoff)

- Anterior pronotal margin armed by 6 serrations, median pair somewhat closely placed; anterior slope with approximately 30 large, chisel-like asperities............................................................... H. ficivorus sp. nov.