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Genus Leistus

Leistus ferruginosus Leistus ferruginosus Leistus ferruginosus Leistus ferruginosus Leistus longipennis Casey 1920 - Leistus longipennis - male Leistus ferruginosus Mannerheim, 1843 - Leistus ferruginosus Leistus from Kneeland, Humboldt County - Leistus longipennis Leistus from Kneeland, Humboldt County - Leistus longipennis
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Adephaga
Family Carabidae (Ground Beetles)
Subfamily Nebriinae
Tribe Nebriini
Genus Leistus
Explanation of Names
Leistus Frolich 1799
Numbers
4 spp. (incl. one adventive) in our area(1), >250 total(2)

Nearctic species:
Leistus ferrugineus (Linnaeus 1758) - introduced from Palaearctic, known from at least Newfoundland
Leistus ferruginosus Mannerheim 1843 - western
Leistus longipennis Casey 1920 - western (CA, OR)
Leistus madmeridianus Erwin 1970 - western (CA)
Identification
native spp. treated in (3)
Range
Holarctic & Oriental; in our area, the 3 native spp. are western (AK‒CA‒AB), the introduced L. ferrugineus in NF(4)
Habitat
Often found in wet, shady places, usually in leaf litter near streams(1)
Food
Predatory.
Works Cited
1.American Beetles, Volume I: Archostemata, Myxophaga, Adephaga, Polyphaga: Staphyliniformia
Arnett, R.H., Jr., and M. C. Thomas. (eds.). 2000. CRC Press LLC, Boca Raton, FL.
2.Catalogue of Life
3.The Nearctic species of the genus Leistus Frolich (Coleoptera: Carabidae)
Erwin T.L. 1970. Pan-Pac. Entomol. 46: 111‒119.
4.Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico
Bousquet Y. 2012. ZooKeys 245: 1–1722.