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Genus Notiophilus

Notiophilus sp. - Notiophilus aeneus Poor image of Big-eyed Beetle - Notiophilus Notiophilus Notiophilus sp., dorso-lateral close - Notiophilus directus Notiophilus intermedius - male Beetle - Notiophilus novemstriatus - male Notiophilus - Notiophilus semistriatus leaf litter beetle - Notiophilus
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Adephaga (Ground and Water Beetles)
Family Carabidae (Ground Beetles)
Subfamily Nebriinae
Tribe Notiophilini
Genus Notiophilus
Explanation of Names
Notiophilus Dumeril 1805
Numbers
15 spp. in our area (incl. 2 adventive), about 50 worldwide(1), 13 in Canada(2); our spp.:(1)
N. aeneus (Herbst)
N. aquaticus (Linnaeus)
N. biguttatus (Fabricius)
N. borealis T.W. Harris
N. directus Casey
N. intermedius Lindroth
N. nemoralis Fall
N. nitens LeConte
N. novemstriatus LeConte
N. palustris (Duftschmid)
N. semiopacus Eschscholtz
N. semistriatus Say
N. sierranus Casey
N. simulator Fall
N. sylvaticus Eschscholtz
Size
4-6 mm(3)
Identification
Large bulging eyes and multiple ridges between the eyes are characteristic of the genus.
Keys:
Downie & Arnett(3) (ne. NA, 8 spp)
Ciegler(4) (SC, 3 spp.)
Lindroth(5) (14 spp., most complete key available; modified by Larochelle & Lariviere(6) to include N. palustris)
Range
Eurasia & NA south to Costa Rica; most our spp. are boreal/motane, but one ranges south to AL in lowland habitats(7)
Habitat
Leaf litter in conifer forests(7)
Food
small arthropods, especially springtails(7)
Internet References
Works Cited
1.Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico
Bousquet Y. 2012. ZooKeys 245: 1–1722.
2.The Ground Beetles of Canada
3.The Beetles of Northeastern North America, Vol. 1 and 2.
Downie, N.M., and R.H. Arnett. 1996. The Sandhill Crane Press, Gainesville, FL.
4.Ground Beetles and Wrinkled Bark Beetles of South Carolina
Janet Ciegler. 2000. Clemson University.
5.The ground-beetles (Carabidae, excl. Cicindelinae) of Canada and Alaska, parts 1—6
C.H. Lindroth. 1961. Opuscula Entomologica Supplementa XX, XXIV, XXIX, XXXIII, XXXIV, XXXV.
6.Notiophilus palustris (Coleoptera, Carabidae), a Eurasian carabid beetle new to North america
Larochelle, A. and M.C. Lariviere . 1990. Entomological News 101: 211-212.
7.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.
8.Borowiec L. (2007-) Iconographia Coleopterorum Poloniae
9.WCG – Website of the Watford Coleoptera Group