Dryocoetini

Amini, Sudabe, Nozari, Jamasb, Martinez, Isabel, Hosseini, Reza & Faccoli, Massimo, 2020, Morphological and molecular identification of the Iranian bark and ambrosia beetles (Coleoptera, Curculionidae, Scolytinae), Zootaxa 4852 (3), pp. 251-284 : 258

Tribe Dryocoetini

Dryocoetini is represented by three genera: Dryocoetes , Taphrorychus , and Thamnurgus ( Table 1 ).

Key to genera

1. Pronotal disc with uniform oval or oblong punctation. Pronotum anterior margin not tuberculate, notched or with granular scales. Antennal funicle with 5- or rarely 4- segments. Declivity highly depressed in males, more weakly in females. Body 1.3−3.3 mm long and with long protruding clear hairs..............................................… Thamnurgus

- Pronotal disc with circular punctation, or uniformly grainy, only pronotum anterior margin with tuberculate or squamous and posteriorly moderately granulate or smooth. Antennal funicle with five segments…................................. 2

2. Anterior edge of pronotum smooth. Pronotum uniformly grainy, not punctate, with a slightly attenuated sculpture. Declivity with deep grooves. Antennal club rounded, truncated, with sutures only visible on the external side. Male frons rarely with hair, in the females with dense pubescense. 2.2−3.2 mm …................................................. Dryocoetes

- Anterior edge of the pronotum tuberculate. Pronotum anterior serrated or granulated, while in posterior only punctate or smooth. Declivity flat or slightly rounded, never hollow. Antennal club flat, spatulate, with curved sutures visible on both sides. Male frons with short hairs, in the female with extremely long and dense pubescence. 1.2−2.5 mm.…............. Taphrorychus