| population structure of australian isolates of the cattle tick rhipicephalus (boophilus) microplus. | since its introduction in australia, and despite decades of movement control, the cattle tick, rhipicephalus (boophilus) microplus, has spread widely in suitable habitat in the northern territory and the state of queensland (qld). on the east coast, its southerly distribution is limited by a tick quarantine line on the border with the state of new south wales (nsw). resistance to the popular acaricide amitraz emerged in the early 1980s and its distribution is rapidly increasing at the present ti ... | 2009 | 19201542 |