Brenthorrhininae, Legalov, 2025

Legalov, Andrei A., 2025, First record of the subfamily Brenthorrhininae (Coleoptera, Nemonychidae) in Cretaceous Kachin amber, Zootaxa 5715 (1), pp. 225-235 : 231

Key to tribes of the subfamily Brenthorrhininae

1. Procoxae located closer to apical margin of prosternum....................................................... 2

- Procoxae located at middle of prosternum................................................................. 3

2. Head capsule strongly constricted behind eyes. Eyes strongly protrude from head. Pronotum and head coarsely punctate and granulated. Lateral margins of pronotum granulated. Tarsomeres 2 and 3 bilobed. Mandibles small.................................................................................................. Burmoptarthrini trib. nov.

- Head capsule not behind eyes. Eyes weakly projecting beyond head contour. Body not granulated. Lateral margins of pronotum carinate. Tarsomeres 1–3 or 3 bilobed. Mandibles large and narrow................................. Eccoptarthrini

3. Antennae inserted subapically. Rostrum weakly elongated....................................... Brenthorrhinini

- Antennae inserted at middle or beyond middle of rostrum. Rostrum long............................ Distenorrhinini