Resumo

RADOVSKY, Frank J.  e  ESTEBANES-GONZALEZ, María Luisa. Macronyssidae in wild bird nests in Mexico, including new synonymies, and the genus Pellonyssus in the new world (Acari: Mesostigmata). Acta Zool. Mex [online]. 2001, n.82, pp.19-28. ISSN 2448-8445.

Pellonyssus nidicolus Baker, Delfinado, and Abbatiello, 1976 is relegated to the status of a junior synonym of Pellonyssus reedi (Zumpt and Patterson, 1952). The synonymy of Pellonyssus passeri Clark and Yunker, 1956 with P. reedi is sustained. The Pellonyssus specimens reported by Estébanes-González (1997) are identified here as belonging in part to P. reedi and in part to P. marui Yunker and Radovsky, 1966, the first records of these species in Mexico. The third identified species of Pellonyssus known in the New World is a parasite of hummingbirds, Pellonyssus gorgasi Yunker and Radovsky, 1966, previously reported from Mexico. Keys to identify the females, males, and protonymphs of these 3 species are given. A character grid is given to compare features of females of the 9 valid species of Pellonyssus in the world. The subspecies Ornithonyssus sylviarum utrechtensis Micherdzinski, 1980 is synonymized with the nominal subspecies O. s. sylviarum (Canestrini and Fanzago, 1877).

Palavras-chave : Pellonyssus; Ornithonyssus; Macronyssidae; wild birds; Mexico; New World; mites; parasites.

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