Abstract
In Cuba, insecticides to control Aedes aegypti mosquito and Blatella germanica cockroach has been frequently used with different formulations, such as emulsifiable concentrates, wettable powders, gels, microencapsulates and suspo-emulsions (SE): the latter is a type of formulation that combines the residuality of a suspension concentrate with the speed of effect of "oil in water" (EW) emulsions. The Cimetrol SE 11.16 formulation is composed of a mixture of two pyrethroid molecules with an insect growth regulator, providing the formulation with great residual power combined with eviction power, due to the mode of action of each one of them. In the following study, we evaluated the effectiveness of Cimetrol SE 11.16 in the control of Ae. aegypti through surface bioassays, and of B. germanica through residual treatment. The residual effect on tile, concrete and wood surfaces was evaluated for 10 weeks and fluctuated from the first weeks (but remained high > 80%). However, mortality on all surfaces remained above 80% until week 6. The highest mortalities occurred in plastic and metal during the 10 weeks (100%). To monitor the cockroach infestation rate, sticky traps (ERADIROACH) were used, which resulted in 95% reduction by the eighth week.
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