Kaiser, Hoogstraal & Kohls 1964. The subgenus Persicargas, new subgenus (Ixodoidea, Argasidae, Argas). 1. A. (P.) arboreus new species, an Egyptian perskus-like parasite of wild birds, with a redefinition of the subgenus Argas. Annals of the Entomological Society of America, 57 1964: 60-69