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GENERIC REVISIONS OF MAYFLY NYMPHS: II. THRAULODES IN NORTH AND CENTRAL AMERICA (LEPTOPHLEBIIDAE)

Published online by Cambridge University Press:  31 May 2012

Richard K. Allen  and
Richard C. Brusca
Richard K. Allen
Affiliation:
California State University, Los Angeles 90013
Richard C. Brusca
Affiliation:
University of Southern California, Los Angeles 90013
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Abstract

The 26 North and Central American species of Thraulodes are discussed, and synonymies and other pertinent data are presented for all species. On the basis of nymphal gill characters two groups of related species are recognized. Thraulodes brunneus, T. speciosus, T. sp. A, T. sp. B, and T. sp. G are included in the brunneus-group, and T. gonzalesi, T. lunatus, T. packeri, T. salinus. T. zonalis, T. sp. C, T. sp. D. T. sp. E, and T. sp. F form the gonzalesi-group, The 14 species of nymphs are included in an illustrated key and on distribution maps, and the account of each includes complete synonymy, nymphal description, and collection records. Nymphs designated as Thraulodes spp. A, B, C, D, E, F, and G are described, and new descriptions are presented for nymphs of T. packeri and T. zonalis.

Type
Articles
Information
The Canadian Entomologist , Volume 110 , Issue 4 , 01 April 1978 , pp. 413 - 433
Copyright
Copyright © Entomological Society of Canada 1978

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References

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