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Parasitic and Predacious Agents Affecting the Hippelates pusio Complex in Jamaica and Trinidad

Published online by Cambridge University Press:  31 May 2012

E. F. Legner ,
E. C. Bay  and
T. H. Farr
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Abstract

A search for natural enemies of Hippelates eye gnats in Jamaica and Trinidad in 1963 resulted in the discovery of four pupal parasites, Trichopria nov. sp., Spalcmgia drosophilae Ashmead, a species of Spalangia and Encyrtidae, and one larval parasite, Trybliographa nov. sp., in Jamaica. What were probably phoretic mites of the Acaridiae infested up to 6.1 per cent of the adult populations in Jamaica. No parasitic Hymenoptera were found attacking Hippelates in Trinidad. Parasitization in Jamaica sometimes approached 40 per cent, but overall parasitization with all host exposures considered did not exceed 2.5 per cent. The effect of predators on naturally breeding Hippelates populations in both Jamaica and Trinidad seemed highly significant, and predominant species are listed.

Type
Articles
Information
The Canadian Entomologist , Volume 98 , Issue 1 , January 1966 , pp. 28 - 33
Copyright
Copyright © Entomological Society of Canada 1966

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