Toxicity of Vernonia anthelmintica Linn. (Asteracea) seeds against mosquitoes vectors

The Toxicological activity (larvicidal, adulticidal and repellent toxicity) of Vernonia anthelmintica seeds fraction was tested against different species of mosquito vectors viz, malaria (Anopheles culicifacies and Anopheles stephensi), filaria (Culex quinquefasciatus) and dengue (Aedes aegypti). Th...

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Bibliographic Details
Published in:Journal of applied and natural science 2010-12, Vol.2 (2), p.190-193
Main Authors: Alam, M. F., Chopra, A.K., Safhi, Mohammed M., Dua, V.K.
Format: Article
Language:English
Subjects:
Aedes aegypti
Anopheles culicifacies
Anopheles stephensi
Anthelmintic agents
Culex quinquefasciatus
Culicidae
Dengue fever
Instars
Larvae
Larvicides
Malaria
Mosquitoes
Seeds
Toxicity
Vector-borne diseases
Vectors
Vernonia anthelmintica
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Summary:The Toxicological activity (larvicidal, adulticidal and repellent toxicity) of Vernonia anthelmintica seeds fraction was tested against different species of mosquito vectors viz, malaria (Anopheles culicifacies and Anopheles stephensi), filaria (Culex quinquefasciatus) and dengue (Aedes aegypti). The larvicidal toxicity of Vernonia anthelmintica seeds fraction was evaluated against the early 4th instars larvae of different mosquitoes species. Mean LC50 value of the column fraction KAL-4 from seeds of V. anthelmintica against the larvae of An. culicifacies, An. stephensi, Culex quinquifaciatus and Aedes aegpyti were found to be 64 ppm, 70 ppm, 143 ppm and 166 ppm respectively. The larvicidal toxicity was more against An. culicifacies, An. stephensi than Culex quinquifaciatus and Aedes aegypti. The seed extracts did not show any adulticidal toxicity and repellent toxicity even at 10% concentrated impregnated paper and 5% on human hand, respectively.
ISSN:0974-9411
2231-5209
DOI:10.31018/jans.v2i2.118