Nemadus
Thomson, C. G., 1867
Species Guides
4Nemadus is a of small carrion beetles in the Leiodidae, tribe Anemadini. Twelve occur in North America, inhabiting forest environments where they feed on carrion and decaying organic matter. Some species have been found in caves, while others are myrmecophiles that live within nests of formicine ants, particularly Formica and Camponotus.
Pronunciation
How to pronounce Nemadus: //nɛˈmeɪdəs//
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Habitat
Forest environments. Some occur in caves. Others occupy nests as myrmecophiles.
Distribution
North America. Records also exist from Denmark, Norway, and Sweden.
Diet
Carrion and other decomposing materials.
Host Associations
- Formica - myrmecophileformicine
- Camponotus - myrmecophileformicine
Behavior
Some exhibit myrmecophily, living within nests of formicine ants.
More Details
Taxonomic revision
A 2005 revision of North American Anemadini established new synonymies: Nemadus ellipticus Jeannel, 1936 = N. horni Hatch, 1933, and N. obliquus Fall, 1937 = N. triangulum Jeannel, 1936. Three new were described: N. browni, N. criddlei, and N. falli.
Lectotype designations
Lectotypes were designated for Catops brachyderus LeConte, 1863, Catops pusio LeConte, 1859, and Choleva decipiens Horn, 1880.