Malforma？？o em teleógina de Rhipicephalus sanguineus recolhida em ambiente intradomiciliar, no Rio de Janeiro, RJ

from material collected by into a residence house at rio de janeiro city, using an aspirator machine during four continues hours in all house, it was captured 1,284 rhipicephalus sanguineus including 289 females; one of them showed a mutagenic alteration like an asymmetry of opistosome, and monstrosity like a two anus. the first register of this phenomenon in r. sanguineus is reported.