Amara sinuosa is a species of ground beetle in the genus Amara, in the family Carabidae . It is found in North America.
Omophron nitidum, the shiny round sand beetle, is a species of ground beetle in the family Carabidae. It is found in North America within the United States, in areas such as Indiana, Minnesota, Nebraska, Alabama and Texas. Adults are nocturnal, spending their time in burrows and leaf litter during the day. The breeding of O. nitidum takes place from March to December.
Omophron solidum, the solid round sand beetle, is a species of ground beetle in the family Carabidae. It is found in North America.
Bembidion pseudocautum is a species of ground beetle in the family Carabidae. It is found in North America.
Omophron ovale, the oval round sand beetle, is a species of ground beetle in the family Carabidae. It is found in North America. Inhabiting mostly the margins of freshwater ponds, streams, and lakes, O. ovale are riparian and burrow into sand and mud. O. ovale, as all Carabidae, go through complete metamorphosis. This consists of three distinct stages before becoming an adult— egg, then larva, then pupa. O. ovale are around 4.5mm to 6.6mm in length and have a distinctive pattern on their body, with yellowish tan and metallic green markings.
Promecognathus is a genus of ground beetles in the family Carabidae. There are at least two described species in Promecognathus. Both species of Promecognathus are known to predate upon Xystocheir dissecta, which is a species of flat-backed millipede that produces hydrogen cyanide as a chemical defense. The beetles do not avoid exposure to the defense, meaning they are likely physically resistant to hydrogen cyanide.
Calathus opaculus is a species of ground beetle in the family Carabidae. It is found in North America.
Omophron gilae, the Gila River round sand beetle, is a species of ground beetle in the family Carabidae. It is found in Central America and North America.
Omophron obliteratum, the effaced round sand beetle, is a species of ground beetle in the family Carabidae. It is found in Central America and North America.
Omophron robustum, the robust round sand beetle, is a species of ground beetle in the family Carabidae. It is found in North America.
Bembidion americanum is a species of ground beetle in the family Carabidae. It is found in North America.
Pterostichus vermiculosus is a species of ground beetle in the family Carabidae. It is found in Europe and Northern Asia and North America. In Russia, this species is found in lichen moss tundra, shrub tundra, and tundra lowlands.
Calathus gregarius is a species of ground beetle in the family Carabidae. It is found in North America.
Calathus advena is a species of ground beetle in the family Carabidae, found in North America. It is sometimes considered a species of the genus Acalathus.
Omophron dentatum, the toothed round sand beetle, is a species of ground beetle in the family Carabidae. It is found in Central America and North America.
Omophron grossum, the large round sand beetle, is a species of ground beetle in the family Carabidae. It is found in North America.
Calathus ingratus is a species of ground beetle in the family Carabidae. It is found in North America.
Omophron tessellatum, the mosaic round sand beetle, is a species of ground beetle in the family Carabidae found in North America. Its distribution includes the United States in states such as Arkansas, Virginia, Oklahoma, and Arizona; and in Canada in provinces such as Nova Scotia and Alberta. The species grows to lengths of 5.4 to 7 millimeters. Its habitat is flooded areas such as lake shores, river banks, ponds, pool edges, and beaches with sandy or clayish soil. It breeds in the spring from May to July.
Pterostichus algidus is a species of woodland ground beetle in the family Carabidae. It is found in North America.
Omophron labiatum, the large-lipped round sand beetle, is a species of ground beetle in the family Carabidae. It is found in North America.
