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Mosquitocidal property of leaf extract of Bougainvillea spectabilis was evaluated for the egg hatchability, larvicidal and pupicidal activity of mosquito, Aedes aegypti under the room temperature in the laboratory. A relationship was observed between the plant extract dose and the percentage of egg hatchability, larval and pupal mortality. Dosage value as expressed in % was 0.01 to 4.0 for Aedes aegypti. The percentage of egg hatchability, larval and pupal mortality were found to increase with the dosage indicating a relationship between the two. Based on the probit analysis the LC50 (mg/l) value of egg (31), I instar (59), II instar (231), III instar (606), IV instar (1578) and pupa (2637) were observed.
Rajmohan D and Logankumar K.
Mosquitocidal property of leaf extract of Bougainvillea spectabilis (Nictaginaceae) against the growth and development of the mosquito, Aedes aegypti. l.
Journal of Research in Animal Sciences (2012) 1(1): 028-032.