External morphology and systematics of the family Lobalgidae (Acari: Astigmata) with resolution of the question of family monophyly

in Insect Systematics & Evolution
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Abstract

The monophyly of the family Lobalgidae comprising the genera Lobalges, Echimytricalges and Coendalges is tested using morphological characters and the maximum parsimony approach. Representatives of all subfamilies of the family Psoroptidae, the families Pyroglyphidae (Paralgopsis) and Psoroptoididae (Psoroptoides), and most families of the superfamily Sarcoptoidea were used as close outgroups, with Ptiloxenus (Ptiloxenidae) and Acarus (Acaridae) selected as distant outgroups. The analysis revealed polyphyly of the family: the two lobalgid genera Lobalges and Echimytricalges appear as sister groups, whereas the genus Coendalges is a member of a clade comprising genera of the psoroptid subfamily Psoralginae. The composition of the family Lobalgidae is here limited to these two genera, and the genus Coendalges is placed in the subfamily Psoralginae (Psoroptidae). A taxonomic revision of the family Lobalgidae is given, including descriptions of two new species, Echimytricalges lonchothrix sp.n. and E. proechimys sp.n. We also validate the species Echimytricalges whitakeri Fain and Ritzi, which had previously been a nomen nudum.

External morphology and systematics of the family Lobalgidae (Acari: Astigmata) with resolution of the question of family monophyly

in Insect Systematics & Evolution

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