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A BIOSYSTEMATIC REVISION OF THE GENUS MUSCIDIFURAX (HYMENOPTERA: PTEROMALIDAE) WITH DESCRIPTIONS OF FOUR NEW SPECIES1

Published online by Cambridge University Press:  31 May 2012

Marcos Kogan  and
E. F. Legner
Marcos Kogan
Affiliation:
Division of Biological Control, University of California Citrus Research Center and Agricultural Experiment Station, Riverside
E. F. Legner
Affiliation:
Division of Biological Control, University of California Citrus Research Center and Agricultural Experiment Station, Riverside
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Abstract

Extensive collections of synanthropic fly parasitoids in animal excrement accumulations in the United States, Mexico, Costa Rica, Puerto Rico, Uruguay, Chile, Denmark, Israel, and South Africa yielded seven forms of a Muscidifurax complex which were totally or partially reproductively isolated. Morphological studies of female and male parasitoids coupled with biological and zoogeographical information permitted the identification of five sibling species. Muscidifurax raptor Girault and Sanders 1910 is redescribed and four additional species are described as new: M. zaraptor, from the southwestern United States; M. raptoroides from Central America and Mexico; M. uniraptor from Puerto Rico, and M. raptorellus from Uruguay and Chile. Biological notes are added to the descriptions, and it was postulated that the genus is undergoing a process of speciation with local populations slowly becoming reproductively isolated and eventually giving rise to morphologically distinguishable entities. Most evidence suggests the establishment of Muscidifurax in the New World, concomitant with or shortly following the establishment of muscoid flies in accumulated excrement. Scanning electronmicroscopy was used in the analysis of some morphological structures.

Type
Articles
Information
The Canadian Entomologist , Volume 102 , Issue 10 , October 1970 , pp. 1268 - 1290
Copyright
Copyright © Entomological Society of Canada 1970

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