Larvicidal Activity of Anopheles Subpictus and Culex Quinquefasiatus Mosquitoes from Crude Plant Extract of Phyllanthus Niruri
Abstract
The Chloroform , Ethyl alcohol , Petroleum ether and leaf extract of Phyllanthus niruri were tested against fourth instar larvae. It is reared in the laboratory and used for larvicidal bioassay against malarial vector, Anopheles subpictus (LC50=153.88) (LC90=649.74) and filarial vector , Culex quinquefasiatus (LC50=182.04) (LC90=739.09).And higher mortality of larvae is measured at 1000 ppm concentration., the larval mortality were observed after 24 hr of exposure. These result suggested that higest mortality of Anopheles subpictus and culex quinquefasiatus was found in Phyllanthus ethyl alcohol extract. This study investigates the larvicidal potential of indigenous plant extracts from commonly used medicinal plants as an environmentally safe measure to control mosquito larvae.
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