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A Revision of the Genus Ashworthius Le Roux, 1930 (Nematoda: Trichostrongylidae)

Published online by Cambridge University Press:  18 November 2009

A. W. Pike
A. W. Pike
Affiliation:
Commonwealth Bureau of Helminthology, St. Albans, U.K.*
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Extract

Le Roux (1930) erected the genus Ashworthius for nematodes, from Tragelaphus scriptus sylvaticus—the bushbuck, which closely resembled Haemonchus but which had a symmetrically placed dorsal lobe of the bursa and apparently lacked a gubernaculum. The four species of Ashworthius, so far discovered, are described as lacking a gubernaculum, but numerous specimens from Syncerus caffer caffer received by the author, and identified as A. lerouxi Diaouré, have a distinct gubernaculum. Paratype specimens of A. lerouxi and specimens of most of the other species were examined to determine if the gubernaculum is in fact absent. As a result of this study the genus is reviewed to correct errors in some of the published descriptions and to provide new information where possible.

Type
Research Article
Information
Journal of Helminthology , Volume 43 , Issue 1-2 , March 1969 , pp. 135 - 144
Copyright
Copyright © Cambridge University Press 1969

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References

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