Larvicidal activity of extracts from Artemisia species against Culex pipiens L. mosquito: Comparing endemic versus ubiquist species for effectiveness - Aix-Marseille Université Accéder directement au contenu
Article Dans Une Revue Comptes Rendus Biologies Année : 2012

Larvicidal activity of extracts from Artemisia species against Culex pipiens L. mosquito: Comparing endemic versus ubiquist species for effectiveness

Activite´ larvicide d’extraits d’armoises contre le moustique Culex pipiens L. : comparaison de l’efficacité entre espèces endémique et ubiquiste

Résumé

The larvicidal activity of ethanolic leaf extracts from two Artemisia species, Artemisia campestris var. glutinosa and A. molinieri, on mosquito Culex pipiens Linnaeus (Diptera, Culicidae) larvae was investigated. Since A. molinieri is a rare and protected species confined to temporary ponds of Southern France, its toxic activity may help to value this species and to finance its conservation. A. molinieri extracts showed a higher larvicidal activity (from 50 ppm (K = 9.488, DDL = 4, P < 0.001)) than those from A. campestris var glutinosa (from 500 ppm (K = 9.488, DDL = 4, P < 0.01)) after 48 h of exposure. Calculated lethal concentrations, after 48 h of exposure, (LC50) were low, 9091 and 9898 ppm for A. molinieri and A. campestris var. glutinosa extracts, respectively, but using a non-pollutant solvent (ethanol). However, A. molinieri may be valued as an environmentally friendly biocide and developing its culture may be of interest for both pesticide activity and conservation purpose.

Dates et versions

hal-01926033 , version 1 (18-11-2018)

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Paternité - Pas d'utilisation commerciale - Partage selon les Conditions Initiales

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Veronique Masotti, Laetitia de Jong, Xavier Moreau, Jacques Rabier, Isabelle Laffont-Schwob, et al.. Larvicidal activity of extracts from Artemisia species against Culex pipiens L. mosquito: Comparing endemic versus ubiquist species for effectiveness. Comptes Rendus Biologies, 2012, 335 (1), pp.19 - 25. ⟨10.1016/j.crvi.2011.10.003⟩. ⟨hal-01926033⟩
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