... Rapid effect on killing flying and crawling insects;2 Good smell,high quality perfume to ... 40HQ Direction:Against flies,mosquitoes and other flying insects:1)Close doors and )windows before spraying;2 ... ventilation . Against cockroaches,ants and other crawing insects: Spray hiding places and runways at a ... insecticide can kill all the flying and crawling insects in short time ,witout harm to human ...