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1 September 2009 Effect of Fruit and Leaves of Meliaceae Plants (Azadirachta indica and Melia azedarach) on the Development of Lutzomyia longipalpis Larvae (Diptera: Psychodidae: Phlebotominae) Under Experimental Conditions
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Abstract

This no-choice, laboratory study focuses on the feeding of dried, ground, homogeneous powdered, unprocessed fruit and leaves of Azadirachta indica and Melia azedarach to Lutzomyia longipalpis larvae to determine the effects on their mortality and metamorphosis. A. indica and M. azedarach fruit and leaves significantly increased larval mortality in comparison to larvae fed the untreated, standard diet. A. indica fruit and leaves blocked the molting of the larvae to the fourth instar, resulting in them remaining as third instars until the end of the experiment. M. azedarach fruit also blocked the molting of larvae, which remained permanently in the fourth instar. Feeding M. azedarach leaves resulted in greater molt inhibition. All insects in this group stopped their development as second-instar larvae. No antifeedant effect was detected for any experimental treatment. The results indicate that nontoxic, unprocessed materials obtained from A. indica and M. azedarach are potent development inhibitors of L. longipalpis larvae.

© 2009 Entomological Society of America
Cláudia A. Andrade-Coelho, Nataly A. Souza, Cheryl Gouveia, Vanderlei C. Silva, Marcelo S. Gonzalez, and Elizabeth F. Rangel "Effect of Fruit and Leaves of Meliaceae Plants (Azadirachta indica and Melia azedarach) on the Development of Lutzomyia longipalpis Larvae (Diptera: Psychodidae: Phlebotominae) Under Experimental Conditions," Journal of Medical Entomology 46(5), (1 September 2009). https://doi.org/10.1603/033.046.0520
Received: 14 December 2007; Accepted: 1 March 2009; Published: 1 September 2009
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