TOXICITY OF SOME PLANT EXTRACTS AGAINST VECTOR OF LYMPHATIC FILARIASIS, CULEX PIPIENS | ||
| Journal of the Egyptian Society of Parasitology | ||
| Article 22, Volume 45, Issue 1, April 2015, Pages 183-192 PDF (211.87 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/jesp.2015.89741 | ||
| Author | ||
| AHMED I. HASABALLAH | ||
| Department of Zoology, Faculty of Science, Al-Azhar University, Nasr City, Cairo, Egypt. | ||
| Abstract | ||
| Many insecticides are generally used as larvicides to control Culex pipiens, vector of lymphatic filariasis. This study was undertaken to evaluate the larvicidal activity of some potential larvicidal plants extracts against C. pipiens larvae. The toxic effects of both ethanolic and petroleum ether plant extracts were evaluated under laboratory conditions against 3rd instar larvae of C. pipiens. Forty ethanolic and petroleum ether extracts of 10 plants namely Echinochloa stagninum, Phragmites australis, Eichhornia crassipes, Rhizophora mucronata, Cichorium intybus, Ocimum basilicum, Origanum majorana, Azadirachta indica, Rosmarinus officinalis and Nigella sativa. On the basis of LC50, the toxic effect of the plant extracts tested varied depending on the plant species, part, solvent used in extraction and the extract concentrations. The petroleum ether extraction was more effective against mosquito as compared with ethanolic extraction. The most effective plant extract was A. indica followed by Ph. australis, N. sativa, C. intybus, R. officinalis, O. basilicum, O. majorana, E. stagninum, Rh. Mucronata and E. crassipes. | ||
| Keywords | ||
| Toxicity; LC50; plant extracts; Culex pipiens | ||
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