Abstract
ABSTRACT A new feather mite genus and species Afroproterothrix marginata n. gen., n. sp. is described from the western black-headed oriole, Oriolus brachyrhynchus Swainson, 1837 (Passeriformes: Oriolidae), in Cameroon. The new genus belongs to the Proterothrix generic group and is most similar to the genus Nanopterodectes Mironov, 2009 by the loss of idiosomal setae d2, f2 and by having solenidia s1 and ?3 on legs I subequal in length. The genus Afroproterothrix differs from Nanopterodectes by the following combination of features: in both sexes, idiosomal setae c1 and trochanteral setae sRIII are absent, idiosomal setae e2 are present, the humeral shields on dorsal surface of the hysterosoma are not developed; in males, the opisthosomal lobes are poorly developed, the branches of the genital arch are well developed; in females, the hysteronotal shield is not divided into anterior and lobar parts. Brief comments on the systematics of the subfamily Pterodectinae are given.
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