Feather-winged-beetle
Guides
Micridium
Micridium is a genus of minute feather-winged beetles in the family Ptiliidae. Members of this genus are among the smallest beetles known. The genus was established by Motschulsky in 1869 and contains at least two described species, including one named in honor of naturalist David Attenborough.
Pteryx
Pteryx is a genus of minute feather-winged beetles in the family Ptiliidae. Adults are less than 1 mm in length and inhabit rotting wood, particularly under bark of decaying logs and stumps. The genus exhibits wing polymorphism, with individuals occurring in either a normal winged form or a vestigial-winged neonate form characterized by pale pigmentation and reduced eyes. Pteryx is distributed across the Northern Hemisphere in Eurasia and North America, with highest abundance in northern bogs and swampy habitats.