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Tribe Catopocerini - Eyeless Soil Fungivore Beetles

Leiodid - Pinodytes newtoni Leiodid - Pinodytes newtoni Catopocerus sp. - Pinodytes gibbosus - female Catopocerus sp. - Pinodytes gibbosus - female  Sogdini? - Pinodytes rothi  Sogdini? - Pinodytes rothi  P. cryptophagoides, P. rothi ?? - Pinodytes rothi Catopocerus? - Catopocerus
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles)
No Taxon (Series Staphyliniformia)
Superfamily Staphylinoidea (Rove, Carrion and Fungus Beetles)
Family Leiodidae (Round Fungus Beetles)
Subfamily Catopocerinae
Tribe Catopocerini (Eyeless Soil Fungivore Beetles)
Numbers
47 spp. in 2 genera in our area, 49 spp. in 3 genera total(1)
Identification
eyeless and wingless beetles; antennomeres 7, 9 and 10 each bearing several teeth in Catopocerus (east of the Mississippi River), without teeth in Pinodytes (west of the Mississippi River)(1)
Range
holarctic (one small genus in ne. Asia); widespread in the US, with 3 spp. ranging into BC & AK (one genus each east and west of the Mississippi River); all spp. but two have allopatric ranges(1)
Habitat
deep litter and soil, usually in cool temperate and moist forests; occasionally taken in caves, under rocks or in pitfall traps(1)
Season
adults active during various seasons, often in midsummer, but some spp. are known mostly from late fall and winter months when cool and moist conditions seem to bring them up into the more surficial layers of soil/litter(1)
Food
subterranean yeasts or fungi(1)