ISSN 1362-1971
An international journal of the Systematic and Applied Acarology Society, published since 1996
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ISSN 1362-1971 An international journal of the Systematic and Applied Acarology Society, published since 1996 [Aims] [Editors] [Content] [Subscriptions] [Contact details] [Society Homepage] |
Systematic & Applied Acarology
(2009) 14, 68–76.Larval morphology distinguishes
Arrenurus truncatellus (O. F. Müller, 1776) and A. castaneus Neuman, 1880 (Acari: Parasitengona: Arrenuridae)ANDRZEJ ZAWAL
Department of Invertebrate Zoology & Limnology, University of Szczecin, 71-415 Szczecin, W
ąska 13, Poland. E-mail: zawal@univ.szczecin.plAbstract
Arrenurus truncatellus
and A. castaneus have similar adult morphology and some consider them to besynonymous. Here, larval morphology was examined to determine if their separation is warranted. Larvae of
the two species differ in the shape of the dorsal plate, CpI/CpII/CpIII ratios and pectination of C1, C2, C3, C4,
IITi10 and IIITa13 setae. The most distinct morphological differences between larvae of
A. truncatellus and A.castaneus
are different locations of ITa13, IITi10 and IIITi10 setae. Therefore, the two species are consideredseparate. The description of the larval morphology of
A. truncatellus is compared with that given by Stechmann(1977).
Key words:
Hydrachnidia, water mites, Truncaturus, larval morphologyReferences
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