Belongs within: Staphylinoidea.Contains: Acrotrichinae. The Ptiliidae, featherwing beetles, are a group of very small beetles with narrow hindwings bearing long marginal hairs, believed to be adapted for passive flotation. Historically, forms with elytra more or less complete have been recognised as the subfamily Ptiliinae, but phylogenetic analysis resolves such a grouping as non-monophyletic. Ant-associated species… Continue reading Ptiliidae

Categorised as Ptiliidae