Psydrini
Guides
Nomius pygmaeus
stink beetle, stinking beetle
Nomius pygmaeus is a small ground beetle in family Carabidae, the sole representative of tribe Psydrini. Adults emit a distinctive repugnant odor when captured or disturbed, earning the common name "stink beetle." The species exhibits a remarkably disjunct global distribution, occurring in North America from Canada to California and sporadically across parts of Europe and southwestern Asia.