Submitted by ( 10/27/97) K. Ramadas*, N. Janarthanan and D. Meera Rani ... Centre for Agrochemical Research, SPIC Science Foundation 11 0, Mount Road, Guindy, Madras 600 032, INDIA ... Malathion, parathion, quinalphos, chlorpyrifos, edifenphos, monocrotophos, ...