Some techniques for the study of useful characters in the taxonomy of the genus Timarcha Samouelle, 1819 (Coleoptera, Chrysomelidae)

Historically the taxonomy of the genus Timarcha has been, and continues to be, quite confusing and largely erroneous. The confusion is mainly due to the absence of reliable traits that aid in precise identification; the lack of study of types at species-level has also contributed to the difficulty i...

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Bibliographic Details
Published inEuropean journal of taxonomy no. 630
Main Authors Daccordi, Mauro, Bollino, Maurizio, Vela, José Miguel
Format Journal Article
LanguageEnglish
Published Consortium of European Natural History Museums 20.04.2020
Subjects
Chrysomelinae
dissection
endophallus
sclerites
Tarsi
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ISSN2118-9773
2118-9773
DOI10.5852/ejt.2020.630

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Summary:Historically the taxonomy of the genus Timarcha has been, and continues to be, quite confusing and largely erroneous. The confusion is mainly due to the absence of reliable traits that aid in precise identification; the lack of study of types at species-level has also contributed to the difficulty in the taxonomy. To improve this situation, we propose techniques for the dissection and study of three useful diagnostic characters such as the vestiture of the sole of female tarsi, and the morphology of the endophallus and its sclerites in males. These features combined are distinctive for each of the species and can help to resolve the taxonomy of the genus.
ISSN:2118-9773
2118-9773
DOI:10.5852/ejt.2020.630