Nomius

Laporte, 1835

Species Guides

1

Nomius is a of ground beetles (Carabidae) in the tribe Psydrini, Psydrinae. The genus contains at least one well-documented , Nomius pygmaeus, which exhibits a remarkable disjunct distribution across North America, Europe, and Asia. Members are characterized by their isolated phylogenetic position within the Harpalinae subfamily.

Nomius pygmaeus - inat 405943600 by {{{name}}}. Used under a CC BY 4.0 license.

Pronunciation

How to pronounce Nomius: /ˈnoʊ.mi.əs/

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Distribution

North America (Canada, Lake Superior region to California); Europe (France, Corsica, Sardinia, Bosnia, Greece); Asia (Talysh region, southwest coast of the Caspian Sea). The disjunct distribution pattern is unusual and poorly explained.

Behavior

Nomius pygmaeus has been observed flying very low at sunset in forest clearings. When captured, individuals emit a repugnant odor reminiscent of lacewings (Chrysopa, Neuroptera).

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