Notas de ixodologia: III - conformação de Ixodes aragãoi Fonseca, 1935, de Ixodes amarali Fonseca, 1935, e lista das espécies do gênero Ixodes que ocorrem no Brasil (Acari, Ixodidae)

After comparison of the types of Ixodes ricinus aragãoi Fonseca, 1935, with a lot of Ixodes affinis Neumann, 1899, kindly loaned by Dr. Kohls, it was observed that both species differ by the aspect of the dorsal scutm, no large punctations being in the posterior border in the Brazilian material. Therefore is FONSECA'S species maintened as Ixodes aragãoi Fonseca, 1935. Ixodes amarali Fonseca, 1935 was reexamined and confirmed as a valid species. A list of Brazilian species of the genus Ixodes studied by the authors is presented.