Rove Beetle

FALSE CLOWN BEETLES Family Sphaeritidae Not illus. Identification: Oval, convex. Blackish, with a greenish or bluish luster. FW truncate, exposing last abdominal segment. Antennae clubbed. Similar to hister beetles (p. 156), but FW longer and antennae not elbowed. 4.5-5.5 mm.

The single N. American species occurs along the Pacific Coast (California to Alaska); lives under bark, in decaying fungi, moss, and dung, and is attracted to flowing sap.

MINUTE FUNGUS BEETLES Family Orthoperidae Not illus. Identification: Body rounded or oval. Pronotum usually expanded anteriorly, shelflike, concealing head from above. Black or brownish. Antennae clubbed. HW fringed with hairs. 1 mm. or less.

This is a small group whose members usually occur under decaying bark, in or near rotting fungi, and in decaying vegetable matter. One fairly common species occurs on vegetation and flowers. Adults are predaceous, or feed on fungi.

MINUTE BOG BEETLES Family Sphaeriidae Not illus.

Identification: Nearly spherical in shape, convex. Black, sometimes with light markings. Antennae with an abrupt 3-seg-mented club. Hind coxae large, touching. 0.5-0.75 mm.

This group is represented in the U.S. by 3 species that occur from Texas to California and Washington. These beetles live in mud or under stones near water, in moss, and among the roots of plants in boggy places.

Superfamily Cantharoidea

FW leathery and flexible. Moderate-sized, rather soft-bodied.

Tarsi 5-5-5. Abdomen with 7 or 8 segments.

SOLDIER BEETLES Family Cantharidae See also PI. 5

Identification: Body elongate, parallel-sided or nearly so. Head not concealed from above. Soft-bodied. Black or brown, often with red, yellow, or orange; some predominantly yellow. 1-15 (mostly 5-15) mm.

Soldier beetles are common insects, usually found on flowers or foliage. Many feed on pollen and nectar. Species of Chauli-ognathus are common on goldenrod. Larvae live under bark or on the ground and feed on other insects.

0 0

Post a comment