Philonthus cognatus

Taxobox
name = "Philonthus cognatus"
regnum = Animalia
phylum = Arthropoda
classis = Insecta
ordo = Coleoptera
familia = Staphylinidae
genus = "Philonthus"
species = "P. cognatus"
binomial = "Philonthus cognatus"
binomial_authority = (Stephens, 1832)

"Philonthus cognatus" is a rove beetle. Adults are 8 to 10 mm long. They are mainly black in colour, although the elytra have a metallic sheen, and are profusely pitted. A distinctive feature of this species is that the underside of the first antennal segment is yellow, contrasting with the black upperside. It is a common species in Britain.

References

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