The Occurrence and Movement of Periplaneta Americana (L.) Within an Urban Sewerage System

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  • Communicable Disease Center, Public Health Service, Atlanta, Ga., and Phoenix, Ariz.

Summary

A release of 6,500 radioactive American cockroaches, Periplaneta americana, in sewer manholes at Phoenix, Arizona, revealed no movement of marked specimens within the sewerage system. Marked roaches were recovered from three release sites for 8½ weeks. One tagged specimen was trapped at a yard site 60 feet from the release site. P. americana is indicated as the predominant roach in the sewerage system but not in homes.

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