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Higher-level phylogenetic relationships of rove beetles (Coleoptera, Staphylinidae) inferred from mitochondrial genome sequences
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modified on 2021-01-12, 14:27 Rove beetles (Staphylinidae) and allied families constitute a huge
radiation of Coleoptera, but basal relationships in this group remain
controversial. In this study, we newly sequenced eight mitogenomes of representatives
of Staphylinidae by using next-generation sequencing method. Together with 99
existing mitogenomes of Staphyliniformia, (sub)family relationships were
investigated with ML and Bayesian searches under various substitution models
and data recoding schemes. The results consistently supported Scydmaenidae and
Silphidae to be subordinate groups of Staphylinidae. Within the monophyletic
Staphylinidae (including Scydmaenidae and Silphidae), the hypothesis of four
major subfamily groups can not be confirmed. Bayesian inferences under the site-heterogeneous
mixture model generally supported the basal position of major clades
corresponding to the Omaliine group. At the subfamily level, the monophyly of
Pselaphinae, Oxytelinae, Scaphidiinae, Steninae and Staphylininae was
supported. However, the subfamilies Omaliinae, Tachyporinae, Aleocharinae and
Paederinae were each non-monophyletic.