Treatment of flea infestations (Ctenocephalides felis); the product has persistent insecticidal efficacy for up to 4 weeks against Ctenocephalides felis. The product has persistent acaricidal efficacy for up to 5 weeks against Ixodes ricinus and up to 3 weeks against Rhipicephalus sanguineus. One treatment provides repellent (anti-feeding) activity against sand flies (Phlebotomus perniciosus) for up to 3 weeks.