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Species Omophron americanum - American Round Sand Beetle

BG2641 E5505 - Omophron americanum Omophron americanum Dejean - Omophron americanum Omophron americanum Dejean - Omophron americanum round sand beetle - Omophron americanum Round Sand Beetle - Omophron americanum Carabid - Omophron americanum Omophron americanum American Round Sand Beetle Near Stream - Omophron americanum
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 Omophroninae
Tribe Omophronini
Genus Omophron (Round Sand Beetles)
Species americanum (American Round Sand Beetle)
Synonyms and other taxonomic changes
see(1)
Explanation of Names
Omophron americanum Dejean 1831
Size
5.1-7.0 mm(2)
Identification
color pattern variable; 15-striate elytron, V-shaped pale area on the frons, punctate metasternum and two setae on the mesocoxa make it easy to distinguish(3)
Range
e. NA to Rockies (NF-AB to FL-AZ), Mex. - Map (4)(5)
Habitat
immediate vicinity of water on bare or sparsely vegetated sandy substrates, sometimes saline, at 260-2,200 m altitudes(1)(6)
Season
Adults Apr-Dec; copulating pairs, Apr-May; gravid females, May-Jun; teneral adults, Jul-Sep(1)
Life Cycle
nocturnal, adults take cover during the day in burrows dug in the ground; adults are gregarious, often come to lights; they also stridulate(1)
Remarks
the most common and widespread Omophron in NA(6)
Internet References
Species pages: Sokolov (2006)(6) | U. Alberta(7)