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HYALOMYODES TRIANGULIFER (DIPTERA: TACHINIDAE) PARASITIZES ADULTS OF RHINOCYLLUS CONICUS (COLEOPTERA: CURCULIONIDAE)

Published online by Cambridge University Press:  31 May 2012

Lane M. Smith II  and
L. T. Kok
Lane M. Smith II
Affiliation:
Department of Entomology, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061
L. T. Kok
Affiliation:
Department of Entomology, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061
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Extract

Rhinocyllus conicus Froelich was introduced from Europe into Canada and the United States for the biological control of Carduus thistles (Kok 1981). Although several reports indicate that the larval and pupal stages of R. conicus are parasitized by native hymenopterous parasites (Dowd and Kok 1982; Puttler et al. 1978; Rees 1977; Surles 1974) and by mites (Goeden and Ricker 1977) in the USA, no native parasite attacking eggs or adults of R. conicus has ever been reported. However, in 1981 and 1982, flies emerged from puparia formed beside field collected adult R. conicus which were maintained in the laboratory. Three specimens were obtained and identified as Hyalomyodes triangulifer (Loew) (Diptera: Tachinidae). This is the first native nearctic parasite known to attack adult R. conicus.

Type
Articles
Information
The Canadian Entomologist , Volume 115 , Issue 11 , November 1983 , pp. 1533 - 1534
Copyright
Copyright © Entomological Society of Canada 1983

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