''Coomania tonkinensis'' is a species of

beetle Beetles are insects that form the Taxonomic rank, order Coleoptera (), in the superorder Holometabola. Their front pair of wings are hardened into wing-cases, elytra, distinguishing them from most other insects. The Coleoptera, with about 40 ...

of the Staphylinidae family,

Staphylininae Staphylininae are a subfamily of rove beetles (family (biology), family Staphylinidae). They contain the typical rove beetles with their long but fairly robust blunt-headed and -tipped bodies and short elytra, as well as some more unusually-shape ...

subfamily. It was first described by Malcolm Cameron to the tribe Diochini, but in 2020 moved to its own tribe ''Coomaniini''. The species is found in Vietnam and Sabah, Malaysia. The elongate 5 mm beetle is shining black with antennae and legs reddish-yellow. The subtriangual head narrower than the thorax. Rather short antennae. Elytra as long and as broad as the thorax.

References

Staphylininae Beetles described in 1858 Beetles of Asia {{Staphylinidae-stub