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Document Type

Peer-Review Article

Abstract

The life histories of Acrosternum hilare and Cosmopepla bimaculata were studied in southern Illinois from May 1972 to September 1974 and from September 1992 to June 1995. Both species were bivoltine, overwintered as adults, and became active in early spring. The subsequent generations were characterized by marked overlapping of the nymphal instars. No active adults were found after early November.

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Entomology Commons

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