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Tribe Helluonini - Flat-horned Ground Beetles

brown and black Flat-horned Ground Beetle - Helluomorphoides nigripennis Beetle - Helluomorphoides praeustus Flat-horned ground beetle - Helluomorphoides Beetle larva? - Helluomorphoides orange beetle - Helluomorphoides Ground beetle June 9 - Helluomorphoides nigripennis Flat-horned Ground Beetle - Helluomorphoides ferrugineus Arizona Beetle for ID - Helluomorphoides
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 Helluonini (Flat-horned Ground Beetles)
Numbers
8 spp. of a single genus in our area, >160 spp. in 25 genera of two subtribes worldwide(1)
Identification
Antennomeres flattened(2)
Range
most zoogeogr. regions but marginal in the Holarctica(1)
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.Beetles: A Field Guide to the Beetles of North America
Richard E. White. 1998. Houghton Mifflin.