Molecular phylogeny of the Raphidiidae (Raphidioptera)*
2011
HARING, ELISABETH | Aspöck, Horst | BARTEL, DANIELA | Aspöck, Ulrike
We present a molecular phylogeny of the family Raphidiidae including representatives of 21 of the 26 genera. Sequences from the nuclear gene for the large subunit ribosomal RNA (28S rRNA) and the mitochondrial cytochrome c oxidase subunit 3 gene (cox3) were used. For the phylogenetic reconstructions we applied automated and manual approaches for sequence alignment and different evolutionary models and tree building algorithms. The trees based on the two alignment approaches were rather similar in their overall topology. A combination of both marker sequences increased the resolution of the trees. The six clades within the raphidiid family that emerged represent either single genera or groups of genera, namely: (i) the Nearctic genus Agulla Navás, (ii) the Nearctic/Central American genus Alena Navás, (iii) the Central Asiatic and Eastern Palaearctic genus Mongoloraphidia H. Aspöck & U. Aspöck, (iv) the Palaearctic Puncha clade, (v) the western Mediterranean Ohmella clade, and (vi) the Palaearctic Phaeostigma clade. The New World taxa Agulla and Alena are placed as successive out‐groups to a monophyletic Palaearctic clade. The Mongoloraphidia clade is distributed in the eastern Palearctic while the remaining three clades are exclusively (Ohmella clade) or mainly distributed in the western Palaearctic. The early radiation of extant Raphidiidae is interpreted based on the phylogenetic tree obtained in the present study, and the geological and palaeobiological processes around the K–T boundary.
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