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NEW OBSERVATIONS OF PREDATION BY PLANT BUGS (HEMIPTERA: MIRIDAE)

Published online by Cambridge University Press:  31 May 2012

Thomas W. Culliney
Affiliation:
Department of Entomology, Cornell University, Ithaca, New York, USA 14853
David Pimentel
Affiliation:
Department of Entomology, Cornell University, Ithaca, New York, USA 14853
Ofelia S. Namuco
Affiliation:
Department of Entomology, Cornell University, Ithaca, New York, USA 14853
Barbara A. Capwell
Affiliation:
Department of Entomology, Cornell University, Ithaca, New York, USA 14853

Extract

During the course of a census of arthropods in a collard crop (Brassica oleracea var. acephala) (Cruciferae) in central New York State in summer 1985, the authors witnessed frequent incidents of unusual feeding behavior in mirid bugs. In late July and early August, numerous observations were made by three of the authors (TWC, OSN, and BAC) of apparent feeding by nymphal (2nd–4th instar) and adult tarnished plant bugs, Lygus linolaris (Palisot de Beauvois), on cocoons of Apanteles glomeratus (L.), a braconid parasitoid of the imported cabbageworm, Pieris rapae (L.). The predation occurred in a period of unusually high P. rapae population densities (estimated at 150 000 ha−1), when A. glomeratus cocoons were abundant on collard leaves.

Type
Articles
Copyright
Copyright © Entomological Society of Canada 1986

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