It is a soluble insecticide which containes 50% Cartap Hydrochloride active ingredient and balance adjuvants. Cartap hydrochloride 50% S.P. is an insecticide highly effective for the control of stem borer and leaf folder on rice. Cartap Hydrochloride has a quite different mode ofaction from that of other insecticides. It is effective against both chewing and sucking insects and controls at a low concentration.