Phlebotomus argentipes is killed by

DDT (Dichloro-diphenyl-tricholoro ethane) Organo-chlorine Synthesized by Zeidler (1874); Insecticidal propeies discovered by Noble prize winner Paul Miller (1939) Techincal DDT : 70-80% para-para isomer (most active form) Mechanism of action : Contact (Nerve) poison (hours to kill) (Acetylcholinesterase inhibitor) DDT had 'No repellant action' but 'redidal action for 18 months' Dosage : 100-200 mg per sq.ft Sandflies (phlebotamus) has not demonstrated resistance to DDT Ref : Park 25th edition Pgno : 812-813