Abstract
Two new feather mite species of the superfamily Analgoidea are described from the hairy woodpecker Leuconotopicus villosus (Linnaeus, 1766) (Piciformes: Picidae) in Panama: Pterotrogus panamensis sp. n. (Pteronyssidae) and Trouessartia hernandesi sp. n. (Trouessartiidae). Pterotrogus panamensis belongs to the simplex species group and most clearly differs from the other species of this group in having the pregenital sclerite paired in males, and the hysteronotal shields strongly narrowed posteriorly in females. Trouessartia hernandesi is close to T. picumni Hernandes, 2014, the only previously known species of this genus from woodpeckers, and differs from the latter by having the following features: in both sexes, setae d1 and d2 are present and genual setae cGI, cGII and mGI are spiculiform; in males, epimerites IVa are long, bow-shaped and extend to the base of the genital apparatus; in females, the external copulatory tube is long and spiculiform.
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