Screening of twenty five plant extracts for larvicidal activity against Culex quinquefasciatus Say (Diptera: Culicidae) Samuel Tennyson, K John Ravindran, S Arivoli Department of Zoology, Madras Christian College, 600 059, Tamilnadu, India National Institute of Malaria Research (ICMR), Field Unit Chennai, National Institute of Epidemiology Campus, Chennai 600 077, Tamilnadu, India P.G. & Resear...