Insecticidal Spray and Rinse Concentrate for Dogs and Horses - 40g-L Permethrin 25:75 (cis:trans). Control of pyrethroid sensitive flies, buffalo fly (Haematobia irritans exigua), stable fly (Stomoxys calcitrans) and biting insects (Culicoides sp.) An aid in the treatment of Queensland Itch. Dogs: Control of fleas (Ctenocephalides felis, Ct canis) and ticks (adult Rhipicephalus sp.). An aid in the treatment of allergic dermatitis (summer eczema).