The combined mode of action of fipronil and amitraz on the motility of Rhipicephalus sanguineus
The motility of adult Rhipicephalus sanguineus was evaluated subsequent to treatments of amitraz, fipronil and the combination of fipronil plus amitraz against a vehicle control in a Petri dish assay using the LemnaTec Scanalyzer Imaging System.

http://www.sciencedirect.com/science/article/pii/S0304401711002275