| [the prevalence, infection indices and feeding habits of the triatominae captured in an area of epidemiological surveillance]. | prevalence of triatomines and their infection by trypanosoma cruzi, were studied during 1974-1981, in the administrative region of campinas, são paulo, brazil. this investigation was continued (1982-1986), blood meal tests with bird, marsupial, rodent and human antisera having been added. panstrongylus megistus, predominant in the region, whose winged instars are often found infected by t. cruzi in inhabited houses, displayed and alimentary eclecticism. from a sample of 7,785, 14.78 percent reac ... | 1992 | 1308951 |