Articles

The tick <em>Rhipicephalus microplus</em> (Canestrini 1888) (Acari: Ixodidae) is responsible for considerable economic losses in Brazil. The Chrysopidae family comprises a large number of species, one of the most important being the species <em>Chrysoperla externa</em> (Hagen) (Neuroptera: Chrysopidae). The aim of this study is to describe the incidence of C. externa in <em>R. microplus </em>in Goiás, Brazil. Engorged females of <em>R. microplus</em> collected from naturally infested cattle were taken to the laboratory. For obtaining nymphs and other insects. From November 2013 to October 2014, 151 engorged females belonging to the species <em>R. microplus</em> were collected, from which one specimen of the species<em> C. externa </em>emerged. The percentage of predation was 0.6%.