Diagnoses of and illustrated key to the species of Ixodes Latreille, 1795 (Acari: Ixodidae) from Brazil - Onofrio, Valeria Castilho; Battesti, Darci Moraes Barros; Labruna, Marcelo Bahia; Faccini, João Luiz Horácio (Systematic Parasitology, 2009)