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The structure of the claspettes in the male genitalia of the subgenus <Emphasis Type="Italic">Ochlerotatus</Emphasis> Lynch Arribalzaga of the genus <Emphasis Type="Italic">Aedes</Emphasis> Meigen (Diptera,Culicidae) and their diagnostic significance
Authors:A V Khalin
Institution:(1) Zoological Institute, Russian Academy of Sciences, St. Petersburg, 199034, Russia
Abstract:The structure of the claspettes (modified projections in the male genitalia) in species of the subgenus Ochlerotatus Lynch Arribalzaga of the genus Aedes Meigen is described in detail. A thorough investigation of the three-dimensional structure of the claspettes is necessary for identification of the Ochlerotatus species from Russia. The study of 30 species of Ochlerotatus demonstrated that frequently the use of the claspette structure as a diagnostic character was incorrect when the claspettes were described as flat structures. Examination of the three-dimensional structure of the claspettes has revealed characters differentiating Aedes diantaeus, A. intrudens and A. pullatus; A. communis, A. punctor, and A. hexodontus; A. annulipes, A. excrucians, and A. euedes, as well as some other species.
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