Horn-1884
Guides
Cafius luteipennis
Cafius luteipennis is a large rove beetle in the family Staphylinidae, first described by Horn in 1884. The species occurs along the Pacific coast of North America, ranging from British Columbia south to Baja California. As a member of the Philonthina subtribe, it belongs to a group of predatory rove beetles commonly associated with coastal and riparian habitats.
Notoxus calcaratus
monoceros beetle
Notoxus calcaratus is a species of monoceros beetle in the family Anthicidae. It is distributed across Central America and North America. The species was described by Horn in 1884. As a member of the genus Notoxus, it possesses the characteristic elongated rostrum with a terminal antenna that defines this group of ant-like beetles.
Notoxus nuperus
monoceros beetle
Notoxus nuperus is a species of monoceros beetle in the family Anthicidae, first described by Horn in 1884. The species is distributed across Central America and North America. Two subspecies are recognized: Notoxus nuperus haustrus Chandler, 1978 and the nominate Notoxus nuperus nuperus Horn, 1884. Members of the genus Notoxus are commonly referred to as ant-like flower beetles due to their morphology and behavior.
Philonthus rufulus
Philonthus rufulus is a species of rove beetle in the family Staphylinidae, described by Horn in 1884. It belongs to the large genus Philonthus, which contains numerous species of predatory beetles commonly found in diverse habitats. The species has a broad distribution across North America, extending from Canada through the United States to Mexico and parts of the Caribbean. Like other members of its genus, it likely exhibits predatory behavior, though specific ecological details for this species remain poorly documented in available sources.
Philonthus triangulum
Philonthus triangulum is a rove beetle in the family Staphylinidae, described by Horn in 1884. It belongs to a large genus of predatory beetles commonly found in decomposing organic matter and other habitats where small invertebrate prey is abundant. Like other members of Philonthus, it exhibits the characteristic shortened elytra and exposed abdominal segments typical of rove beetles. The species is recorded from western North America including the Pacific Northwest and southwestern United States, extending into Mexico.