Diluted and used as a spray or in a backrubber, Prolate/Lintox-HD (TM) Insecticidal Spray & Backrubber kills a variety of insects. It can be used for treatment of horn flies on non-lactating cattle, for lice and sarcoptic mange mites on swine, and to kill ticks. | Starbar Prolate/Lintox-HD Insecticidal Spray and Backrubber for Livestock | Size 1 qt