Abstract
A phylogenetic study of representatives of the family Coleophoridae was conducted using a comprehensive approach, including methods of morphological and molecular genetic analyses. The existent data on the family system were compared with the results of phylogenetic analysis of the COI mitochondrial gene sequences. Four of the five studied subfamilies (Coleophorinae, Ischnophaninae, Augasminae, and Tolleophorinae) corresponded to their location on the phylogram; representatives of Metriotinae were part of Coleophorinae. According to the aggregate data from molecular phylogeny and morphology, the most numerous subfamily of casebearers, Coleophorinae, is polyphyletic within its current boundaries. The results of our analysis of COI molecular divergence does not refute the monophyly of the tribes Casignetellini, Carpochenini, Klinzigedini, Goniodomini, Casasini, and Atractulini from the subfamily Coleophorinae. The allocation of the tribes Aporipturini and Sistrophoecini within the subfamily does not correspond to the molecular data. Monophyly of the genera Ecebalia, Perygra, and Casignetella was confirmed. These genera are well isolated, which reflects the evolutionary significance of the morphological characters chosen for their taxonomic division. The boundaries of the cluster containing these genera correspond to those of the tribe Casignetellini, justifying the allocation of this tribe within the subfamily. The existence of monophyletic tribes Goniodomini (genus Goniodoma) and Carpochenini (genera Ionescumia, Carpochena, and Falkmisa) was also supported. The exceptions were the genera Kasyfia, Tollsia, and Agapalsa, whose monophyly was not confirmed by our results. The distribution of the sequences of species of these genera indicated a paraphyletic origin of Kasyfia and Tollsia and a polyphyletic origin of Agapalsa.
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