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DESCRIPTION OF ADULTS OF A NEW SPECIES OF CYCLOTHYAS (ACARI: PARASITENGONA: HYDRYPHANTIDAE) FROM WESTERN NORTH AMERICA, WITH COMMENTS ON PHYLOGENY AND DISTRIBUTION OF MITES OF THE GENUS

Published online by Cambridge University Press:  31 May 2012

Ian M. Smith
Ian M. Smith
Affiliation:
Biosystematics Research Institute, Agriculture Canada, Ottawa K1A 0C6
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Abstract

Adults of Cyclothyas siskiyouensis n. sp., the first species of the genus reported from the Western Hemisphere, are described from female specimens collected from a small stream in Oregon, U.S.A. Members of this species differ from those of previously described species in having 3, rather than numerous, pairs of genital acetabula along outer edges of the genital flaps. A revised diagnosis of the genus Cyclothyas is presented.

Résumé

L'auteur décrit des adultes femelles de Cyclothyas siskiyouensis, nouvelle espèce, d'un petit ruisseau en Oregon, États-Unis. C'est la première mention de ce genre dans l'Hémisphère de l'Ouest. Les membres de cette espèce diffèrent de ceux des autres espèces déjà décrites par la présence de trois, plutôt que plusieurs, paires de verrues génitales sur les bords latéraux des valves génitales. Un nouveau diagnostic du genre Cyclothyas est présenté.

Type
Articles
Information
The Canadian Entomologist , Volume 115 , Issue 10 , October 1983 , pp. 1433 - 1436
Copyright
Copyright © Entomological Society of Canada 1983

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References

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