Insect Growth Regulator (IGR), is a synthetic,  juvenile hormone “look-alike” which disrupts the normal growth    development of cockroaches, drain flies, fruit flies, bedbugs, and  stored product  (examples of these pests include Indian  meal moths, rice moths, tobacco moths, red flour beetles,  confused flour beetles, lesser grain borers, merchant grain  beetles, sawtooth grain beetles, warehouse beetles, cigarette  beetles, and Dermestid beetles) pests