Suborder Archostemata

Tarsi 5-5-5. Antennae threadlike or beadlike. This is a primitive group and its members are relatively rare.

RETICULATED BEETLES Family Cupedidae Identification: Shape distinctive (resembling leaf-mining leaf beetles, p. 198): body elongate, rather flattened. FW long, parallel-sided, with rows of square punctures between longitudinal ridges. Body clothed with broad scales. Antennae long, threadlike. 7-20 mm.

Only 5 species of cupedids occur in N. America, and they are infrequently collected. Adults are found in logs where larvae occur, on vegetation, or flying in the sunlight. Larvae bore in rotting oak, chestnut, and pine logs.

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