csi tekko pro igr insect growth regulator 16 oz csi tekko pro insect growth regulator concentrate disrupts the life cycle of listed insects, preventing them from developing into adults. available in 1 pint. effective against: ants, asian cockroaches, brown banded cockroaches, cigarette beetles, cockroaches, confused flour beetles, crickets, dermestid beetles, fleas, flies, flying insect pests, german cockroaches, gnats, houseflies, house flies, indian meal moths, lesser grain borers, litter beetles, merchant grain beetles, midges, mosquitoes, moths, nuisance flies, red flour beetles, rice moths, roaches, saw-toothed grain beetles, stable flies, stored product pests, ticks, tobacco moths, warehouse beetles