期刊
ZOOKEYS
卷 -, 期 502, 页码 11-25出版社
PENSOFT PUBLISHERS
DOI: 10.3897/zookeys.502.9191
关键词
Geometric morphometrics; hind wing morphology; Cantharidae; taxonomy
类别
资金
- National Natural Science Foundation of China [31172135, 41401064]
- Knowledge Innovation of Chinese Academy of Sciences [KSCX2-EW-G-4, KSCX2-EW-Z-8]
- Natural Science Foundation of Hebei Province [C2013201261]
- Foundation of the Key Laboratory of Zoological Systematics and Application of Hebei Province [14967611D]
There remain some difficulties in delimitation of related genera or sibling species for cantharid beetles, because the traditionally taxonomic method and morphological characters have not been updated or introduced. In the present study, we firstly use the landmark-based geometric morphometrics to analyze and compare the hind wings of nine species belonging to three genera of Cantharinae to ascertain whether this approach may be used as a reliable method in the study of the taxonomy of this group. The results show that the shape differences of the hind wings among genera seem more variable than that within each genus, and the variations for each species are different from one another, as shown in the principal component analyses. And the canonical variates analyses show that there are significant differences among the genera and the species of each genus, which demonstrates that the hind wing shape can be diagnostic for both generic and specific identification of the cantharid beetles. This study sheds new light into clarifying the taxonomic uncertainties of Cantharidae, and lays a foundation for further studies on the evolution of the cantharid hind wing shape.
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