title: A case of gynandromorphism in Amblyomma oblongoguttatum (Acari: Ixodidae).
abstract: During a survey conducted from August to November 1998 to ticks associated with dogs in the rural area of Uruará, in the state of Para, Eastern Amazon region of Brazil, we collected one gynandromorph specimen out of 18 Amblyomma oblongoguttatum Koch specimens collected from dogs. It is a perfect bipartite gynandromorph, reported in this species for the first time.
authors.affiliation: Departamento de Medicina Veterinária Preventiva e Saúde Animal, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, Brazil.
authors.forename: M B
authors.initials: MB
authors.lastname: Labruna
authors.forename: V S
authors.initials: VS
authors.lastname: Homem
authors.forename: M B
authors.initials: MB
authors.lastname: Heinemann
authors.forename: J S
authors.initials: JS
authors.lastname: Ferreira Neto
mesh_terms: D000818:Animals; D012734:Disorders of Sex Development; D004283:Dog Diseases / Q000469:parasitology; D004285:Dogs; D013984:Tick Infestations / Q000662:veterinary; D013987:Ticks / Q000033:anatomy & histology*