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Genus Agonum

Ground Beetle - Agonum Carabid - Agonum collare Platynini, possibly Agonum? - Agonum extensicolle Chlaenius? - Agonum extensicolle Agonum? Perhaps A. cyclifer? - Agonum cyclifer Agonum pallipes Beetle in pitfall trap on margin of beaver pond - Agonum melanarium Agonum punctiforme
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Adephaga
Family Carabidae (Ground Beetles)
Subfamily Harpalinae
Supertribe Harpalitae
Tribe Platynini
Genus Agonum
Synonyms and other taxonomic changes
classification used in the Guide follows(1)
Numbers
72 spp. in our area(2), >250 worldwide(3), arranged in 4 subgenera, all represented in NA(1)
Identification
Key to NA species in Liebherr (1994) (2)
Range
holarctic
Habitat
with some exceptions, near water
Works Cited
1.Phylogeny and biogeography of the Laurasian genus Agonum Bonelli (Coleoptera, Carabidae, Platynini)
Liebherr J.K., Schmidt J. 2004. Dtsch. Entomol. Z. 51: 151‒206.
2.Identification of New World Agonum, review of the Mexican fauna, and description of Incagonum, new genus, from South America
Liebherr J.K. 1994. J. N.Y. Ent. Soc. 102: 1-55.
3.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.