“…Afterwards, Perlowagora-Szumlewicz (1954, 1969 noted that insecticide applications must be carried out in preestablished regular periods of time for species that present a high resistance to fast, stating that only then the domiciliary reinfestations can be minimized. Several other authors have conducted extensive studies about various species of triatomines analyzing these biologic aspects, such as Zeledon et al (1970), Costa and Perondini (1973), Jurberg and Costa (1989), and Costa and Jurberg (1989).…”