Efficacy of 13 Commercial Household Aerosol Insecticides Against Aedes aegypti (Diptera: Culicidae) From Morelos, Mexico
2018
Kuri-Morales, Pablo | Correa-Morales, Fabián | González-Acosta, Cassandra | Moreno-Garcia, Miguel | Dávalos-Becerril, Eduardo | Benitez-Alva, José Ismael | Peralta-Rodriguez, Jorge | Salazar-Bueyes, Victor | González-Roldán, Jesús F
In Mexico, Aedes aegypti (L.) (Diptera: Culicidae) is the primary vector of Dengue, Zika, and Chikungunya viruses. Control programs include community participation using personal protection such as household aerosol insecticides. In both, urban or rural areas, the use of aerosol insecticides is a common practice to avoiding mosquito biting. Thus, information on the efficacy of commercial products must be available. This study reports the efficacy of 13 household aerosol insecticides against Ae. aegypti from an endemic dengue area in Mexico. To test each insecticide, six netting cages, containing 10 non-blood fed female mosquitoes each one, were placed in different locations inside a bedroom. Readings at 30 min and 24 h after exposure were recorded. No products showed 100% mortality after 30 min of exposure. Only three products killed the 100% of the individuals 24 h after exposure. Results showed a high mortality variance among insecticides. Location in the room also impacts the insecticide efficacy. Mosquitoes located inside cabinets or with behind an obstacle (preventing an accurate insecticide exposure) showed lower mortalities. Products and spraying methods could and should be improved.
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