Other Common Names
Short-winged Mold Beetles
Synonyms and other taxonomic changes
formerly considered a separate family, Pselaphidae
Numbers
more than 700 species in North America
more than 8,000 species worldwide
Identification
abdomen broader than head and usually not flexible; elytra short, exposing much of the upper surface of the abdomen; antennae clubbed
Range
most of North America
also represented in several regions of the world
Habitat
under stones, loose bark, moss, forest litter, and in ant nests ("How to Know the Insects", Roger Bland)
Food
mold, mites, and sometimes ant larvae
Internet References
live adult image of undetermined species (Alex Wild, California)
pinned adult images of undetermined species (Insects of Cedar Creek, Minnesota)
scanning electron micrographs showing various body forms (Hiroshi Sugaya, Japan)
biology and other info (G.R. Burgess, U. of Miami)
classification listing subgroups (Tree of Life)
classification listing tribes and genera (funet.fi)
