Occurence of Dentocarpus silvai silvai, Dusbabek & Cruz, 1966 (Acari: Chirodiscidae) on two molossids (Mammalia: Chiroptera) species in Rio de Janeiro state, Brazil - In 2001 mites from three bats were collected, Molossus ater at Silva Jardim municipality and from Molossus molossus at Rio de Janeiro municipality, both in the Rio de Janeiro state. The mites where identified as Dentocarpus silvai silvai (Acari: Chirodiscidae), this being the first report of this mite species in Brazil.

O primeiro inquérito sobre a fauna de ectoparasitos em rolinha (Columbina talpacoti) é feito no Brasil. As espécies de ectoparasitos encontrados foram: Microlynchia pussila (Speiser, 1902) (Diptera); Columbicola passerinae (Wilson, 1941) and Physconelloides eurysema (Carriker, 1903) (Phthiraptera: Ischnocera); Hohorstiella passerinae Hill & Tull, 1978 (Phthiraptera: Amblycera) and Byersalges talpacoti (Cerný, 1972), Diplaegidia columbigallinae (Cerný, 1972), Nanolichus sp. and Pterophagus lomatus Gaud & Barré, 1992 (Acari: Acaridida), sendo B. talpacoti a espécie de maior prevalência.

First survey on the fauna of ectoparasites found on the Ruddy Ground-Dove (Columbina talpacoti) is made in Brazil. The species of joined ectoparasites were: Microlynchia pussila (Speiser, 1902) (Diptera); Columbicola passerinae (Wilson, 1941) and Physconelloides eurysema (Carriker, 1903) (Phthiraptera: Ischnocera); Hohorstiella passerinae Hill & Tull, 1978 (Phthiraptera: Amblycera) and Byersalges talpacoti (Cerný, 1972), Diplaegidia columbigallinae (Cerný, 1972), Nanolichus sp. and Pterophagus lomatus Gaud & Barré, 1992 (Acari: Acaridida), being B. talpacoti the most prevalent species.