Black Flag Ant & Roach Killer controls roaches, ants, crickets, fleas, silverfish, spiders and other listed insects indoors on contact with a no-mess formula and lemon scent. Keeps controlling roaches, ants (excluding pharaoh and fire), silverfish and crickets for up to 16 weeks. Spiders (like black widow and wolf spiders) must be sprayed directly to be killed. Use along and behind baseboards; beneath and behind sinks, stoves, refrigerators and cabinets; around plumbing and other utility installations; around waste containers and wherever else these pests may find entrance. Use along and behind baseboards, appliances, sinks, pipes and plumbing. When treating for ants, spray around door and window frames, other entry points and trails. To treat fleas and brown dog ticks, spray infested areas such as pet beds and resting quarters. Remove old pet bedding and clean or replace with clean, fresh bedding. Pets should not be treated with this product.