Document Type

Article

Publication Date

2019

Abstract

The southern cattle fever tick, Rhipicephalus microplus, is a livestock pest worldwide, including South Texas, and can vector Babesia spp.; the causal agents of bovine babesiosis. Its congener, the brown dog tick, Rhipicepha-lus sanguineus, is also common worldwide and is frequently parasitized by a wasp, Ixodiphagus hookeri. To better understand the life history and host location cues of parasitic wasps of ticks, which supports the cattle fever tick eradication program for R. microplus, we examined the incidence of R. sanguineus and its parasitoid I. hookeri. Dogs in Hidalgo County, TX were observed (n=624) from Oct 2018 to April 2019. Our results show that the sam-pled dogs had very low levels of R. sanguineus (1.89%) with 219 nymphs, and no parasitoids were recovered. We also found that R. sanguineus nymph incidence is significantly higher on female dogs and puppies than other clas-ses of dogs.

First Page

6

Last Page

10

Publication Title

Subtropical Agriculture and Environments

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