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1 March 2007 ATTRACTION OF GRAVID ANOPHELES PSEUDOPUNCTIPENNIS FEMALES TO OVIPOSITION SUBSTRATES BY SPIROGYRA MAJUSCULA (ZYGNEMATALES: ZYGNMATACEAE) ALGAE UNDER LABORATORY CONDITIONS
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Abstract

The attraction of Anopheles pseudopunctipennis gravid females to oviposition substrates containing Spirogyra majuscula algae was investigated under laboratory conditions. Gravid females deposited significantly more eggs in cups containing natural algae in water from breeding sites than in cups containing artificial (nylon rope) life-like algae in water from the corresponding natural breeding site, or in cups containing natural algae in distilled water. Bioassays with Spirogyra majuscula organic extracts indicated that these extracts at concentrations of 0.1%, 0.01%, and 0.001% attracted more oviposition, but concentrations of 1%, 10%, and 100% were repellent. Gas chromatography and mass spectrometry analysis of algae organic extracts revealed a mixture of ethyl acetate and hydrocarbons compounds. These results suggest that the attraction of gravid An. pseudopunctipennis to natural breeding sites containing filamentous algae is probably mediated by organic compounds released by the algae.

JOSÉ L. TORRES-ESTRADA, ROSA A. MEZA-ÁLVAREZ, Leopoldo Cruz-López, MARIO H. RODRÍGUEZ, and JUAN I. ARREDONDO-JIMÉNEZ "ATTRACTION OF GRAVID ANOPHELES PSEUDOPUNCTIPENNIS FEMALES TO OVIPOSITION SUBSTRATES BY SPIROGYRA MAJUSCULA (ZYGNEMATALES: ZYGNMATACEAE) ALGAE UNDER LABORATORY CONDITIONS," Journal of the American Mosquito Control Association 23(1), (1 March 2007). https://doi.org/10.2987/8756-971X(2007)23[18:AOGAPF]2.0.CO;2
Published: 1 March 2007
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