Estudo comparado do ciclo evolutivo de triatomíneos a duas temperaturas / Comparison of life cycles of triatominae according to changes in temperature

ABSTRACT

We studied the life cicle of several triatominae species Dipetalogaster maximus (Uhler, 1894); Panstrongylus herreri Wygodzinsky, 1948; Panstrongylus megistus (Burmeister, 1835); Rhodnius ecuadoriensis Lent & Leon, 1958; Rhodnius nasutus Stal, 1859; Rhodnius neglectus Lent, 1954; Rhodnius pictipes Stal, 1872; Rhodnius prolixus Stal, 1859; Rhodnius robustus Larrousse, 1927; Triatoma brasiliensis Neiva, 1911; Triatoma infestans (Klug, 1834); Triatoma maculata (Erichson, 1848); Triatoma matogrossensis Leite & Barbosa, 1953; Triatoma platensis Neiva, 1913; Triatoma protracta (Uhler, 1894); Triatoma sordida (Stal, 1859); Triatoma tibiamaculata (Pinto, 1926) e Triatoma vitticeps (Stal, 1859) (Hemiptera, Reduviidae). The main purpose of the study was to obtain information to improve control measures specially in those peridomiciliar species. The experiments were performed in two climatized chambers, both with an humidity of 70 ± 5% and photoperiod of 12 hours. One was maintained at 25 ± 0,5ºC and the other at 30 ± 1ºC.