Evaluation of Larvicidal Efficacy of Acetone Leaf Extracts of Annona reticulata Linn. Against Aedes aegypti, Anopheles stephensi and Culex quinquefasciatus (Diptera: Culicidae)  

Subrata Mallick 1, 2 , Devaleena Mukherjee1 , Goutam Chandra1
1. Department of Zoology, Mosquito, Microbiology and Nanotechnology Research Units, Parasitology Laboratory, The University of Burdwan, West Bengal, India
2. Department of Zoology, Maharajadhiraj Uday Chand Women College, Burdwan, West Bengal, India
Author    Correspondence author
Journal of Mosquito Research, 2015, Vol. 5, No. 9   doi: 10.5376/jmr.2015.05.0009
Received: 04 May, 2015    Accepted: 08 Apr., 2015    Published: 23 Jun., 2015
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Mallick et al., 2015, Evaluation of Larvicidal Efficacy of Acetone Leaf Extracts of Annona reticulata Linn. Against Aedes aegypti, Anopheles stephensi and Culex quinquefasciatus (Diptera: Culicidae), Journal of Mosquito Research, Vol.5, No.9 1-7 (doi: 10.5376/jmr.2015.05.0009)

Abstract

The present study was designed to examine the larvicidal property of acetone leaf extracts of Annona reticulata L. (A. reticulata), (family: Annonaceae) against 1st to 4th instars larvae of three dreadful mosquitoes namely Aedes aegypti L., 1762 (Ae. aegypti), Anopheles stephensi Liston, 1901 (An. stephensi) and Culex quinquefasciatus Say, 1823 (Cx. quinquefasciatus). Cent percent mortality was observed at 12 ppm concentration in 1st, 2nd and 3rd instars larvae of Ae. Aegypti, where as 9 ppm concentration showed 100% mortality in 1st, 2nd and 3rd instars larvae of An. stephensi after 72 h of exposure. At 6 ppm concentration, 100% mortality was observed in 1st instar larvae after 24 h of exposure and in 2nd and 3rd instars larvae of Cx. quinquefasciatus after 48 h of exposure. In the 72 h bioassay experiment, LC50 and LC90 values progressively decreased with the increase in exposure period, having the lowest values at 72 h of exposure. Among the three mosquitoes, Cx. quinquefasciatus proved to be most susceptible to acetone leaf extract of A. reticulata. Some non target organisms were found to be non-responsive to the bioactive extract when exposed. So, acetone leaf extract of A. reticulata was proved to be an efficient larvicidal agent against 3 important vectors like Ae. aegypti, An. stephensi and Cx. quinquefasciatus.

Keywords
Annona reticulata; Acetone extract; Aedes aegypti; Anopheles stephensi; Culex quinquefasciatus; Larvicidal Activity
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