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DESCRIPTIONS OF LARVAL ARRENURUS BARTONENSIS COOK, ARRENURUS BIRGEI MARSHALL, ARRENURUS NEOBIRGEI COOK, AND ARRENURUS ROTUNDUS MARSHALL (ACARI: HYDRACHNIDIA; ARRENURIDAE)

Published online by Cambridge University Press:  31 May 2012

Bruce P. Smith
Bruce P. Smith
Affiliation:
Department of Biology, University of New Brunswick, Fredericton, New Brunswick, Canada E3B 6E1
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Abstract

Larvae of Arrenurus bartonensis Cook, Arrenurus birgei Marshall, Arrenurus neobirgei Cook, and Arrenurus rotundus Marshall are described for the first time. Larvae of A. rotundus can be distinguished reliably from the other three by differences in morphology. Larvae of A. bartonensis, A. birgei, and A. neobirgei are very similar, but can be separated by comparing shape and size of the excretory pore plate, and by measurements of the dorsal plate and the tarsus of the third leg.

Résumé

Les larves de Arrenurus bartonensis Cook, Arrenurus birgei Marshall, Arrenurus neobirgei Cook, et Arrenurus rotundus Marshall sont décrites pour la première fois. Des différences morphologiques peuvent être utilisées pour distinguer les larves de A. rotundus de celles des trois autres espèces. Les larves de A. bartonensis, A. birgei, et A. neobirgei sont très semblables, mais peuvent être séparées en comparant la forme et la taille de la plaque du pore excrétoir et par des mesures de la plaque dorsale et du tarse de la troisième patte.

Type
Articles
Information
The Canadian Entomologist , Volume 122 , Issue 1 , February 1990 , pp. 77 - 91
Copyright
Copyright © Entomological Society of Canada 1990

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