Recommended Larvicides for control of Malaria includes all of the following except -: (A) Abate, (B) Pyrethrium, (C) Fenthian, (D) Copper Acetoarsenite
Answer is B. Pyrethrum extracts are space spray which comes under anti-adult measures. Abate and fenthion are synthetic anti-larval insecticides. Paris green (Copper acetoarsenite) is used as chemical control of larvae. Park's Textbook of Preventive and Social Medicine, 25th Edition, Pg 833