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Salud Pública de México
versión impresa ISSN 0036-3634
Resumen
MARINA, Carlos F et al. Comparison of novaluron, pyriproxyfen, spinosad and temephos as larvicides against Aedes aegypti in Chiapas, Mexico. Salud pública Méx [online]. 2020, vol.62, n.4, pp.424-431. Epub 16-Mayo-2022. ISSN 0036-3634. https://doi.org/10.21149/10168.
Objective:
To compare the efficacy of three modern larvicides with the organophosphate temephos for control of Aedes aegypti in water tanks in Chiapas.
Materials and methods:
Trials were performed to compare the efficacy of pyriproxyfen, novaluron, two formulations of spinosad (granules and tablets) and temephos in oviposition traps and domestic water tanks.
Results:
Pyriproxyfen and temephos provided 2-3 weeks of complete control of larvae in oviposition traps, whereas spinosad granules and novaluron provided 7-12 weeks of control. Treatment of water tanks resulted in a significant reduction in oviposition by Ae. aegypt in houses (p<0.001). Higher numbers of larvae were present in temephos and pyriproxyfen-treated water tanks compared to novaluron and spinosad tablet treatments during most of the study.
Conclusion:
Spinosad formulations and novaluron were effective larvicides in this region. The poor performance of temephos may be indicative of reduced susceptibility in Ae. aegypti populations in Chiapas.
Palabras llave : larvicides; spinosad; growth regulators, insect; oviposition.