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ECOLOGICAL CONTROL OF TRIATOMA DIMIDIATA (LATREILLE, 1811): FIVE YEARS AFTER A COSTA RICAN PILOT PROJECT
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Abstract
An ecological pilot project for the control of Triatoma dimidiata allowed a new evaluation four and five years
after environmental modifications in the peridomestic areas of 20 households. It was verified that the two groups
of houses, 10 case-houses and 10 control-houses, were free of insects after those periods of time. In the first group,
the owners started a chicken coop in the backyard and a colony of bugs was found there without infesting the house.
In the second group, the inhabitants of one house once again facilitated the conditions for the bugs to thrive in the
same store room, reaffirming that man-made ecotopes facilitates colonization. This ecological control method was
revealed to be reliable and sustainable and it is recommended to be applied to those situations where the vectors of
Chagas disease can colonize houses and are frequent in wild ecotopes.
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