Pterygosoma livingstonei sp. n. collected from the Kenyan lizard Agama caudospinosa Meek shows morphological affinities with other South African congener species parasitizing lizards of the genus Agama, especially with P. triangulare Lawrence, 1936, but it differs in having glabrous genua II and III. P. livingstonei shows affinities with the Lawrence's hispida species group in the characters of...

The fauna of Tydeidae Western Siberia is reviewed. A total 27 species from eight genera were found in Tyumen and Kurgan Regions. Two species, Lorryia sibiriensis n. sp. L. speciosa are described as new for science; evansi Baker recorded Russia the first time redescribed based on materials Region; paravarsoviensis (Momen Lundqvist), subularoides Kaźmierski, arkadiensis Panou Emmanouel, argutus (...