Batrisodes grossus

Diagnosis
The new species can be separated from other Chinese Batrisodes species by the following combination of characters: head dorsum, pronotum, and elytra roughly punctate, antennomeres III–V wider than VI–X, mesotrochanter, mesofemur, and mesotibia spinose, and slightly asymmetrical aedeagus expanded at the apex.

Distribution
China

Biology
Ant host: Odontomachus All adults were collected from an Odontomachus colony in a tree hole.