CR-2 Roach & Ant Killer provides quick killing action and residual control for up to 3 months. CR-2 Roach & Ant Killer is formulated to eliminate and control reinfestations by ants, bees, carpenter ants, carpet beetles, centipedes, cockroaches, crickets, earwigs, firebrats, fleas, flour beetles, grain beetles, ground beetles, millipedes, mole crickets, moths, pillbugs, sowbugs, spiders, ticks, and many other crawling insects.