| biogeography of brazilian populations of panstrongylus megistus (hemiptera, reduviidae, triatominae) based on molecular marker and paleo-vegetational data. | in epidemiological terms, panstrongylus megistus is one of the most important species of triatomine bug in brazil. samples from 11 localities were studied using the random amplification of polymorphic dna (rapd) technique, which was able to differentiate the study populations clearly. biogeographical data indicate that these populations could already have arisen 18,000 years ago (c(14)), it being possible to differentiate insects from the brazilian states of santa catarina (sc) in the south, cea ... | 2006 | 17055993 |
| [general situation and perspectives of chagas disease in northeastern region, brazil]. | primary and secondary data show the importance and distribution of human chagas disease (hcd) in northeast brazil. among the 27 detected vector species, triatoma infestans, panstrongylus megistus, triatoma brasiliensis and triatoma pseudomaculata are epidemiologically important. major medical impact is attributed to t. infestans and p. megistus, the most domiciliated and vulnerable species, while the other two are native and more difficult to control. regional differences in transmission and med ... | 2000 | 11119317 |
| patterns of antennal sensilla of panstrongylus megistus from three brazilian states. | the objective of the present study was to analyze and describe the phenotype of the antennal sensilla of panstrongylus megistus, one of the epidemiologically most important species of triatomines in brazil. specimens from the brazilian states of goiás (go), minas gerais (mg), and rio grande do sul (rs) were compared, based on studies of four types of sensilla on three antennal segments: thick-walled trichoid (tk), thin-walled trichoid (th), bristles (br), and basiconica (ba). discriminant analys ... | 2006 | 16410953 |
| [geographical distribution and indicators entomologic of sinantropic triatomines captured in the state of goiás]. | the geographic distribution of triatomines in goiás and entomological indicators in the home environment are presented: home infestation, home triatomine density and vector infection by trypanosoma cruzi. the indicators studied were from triatomines captured inside and outside homes in 201 municipalities in the state of goiás, brazil, between 2000 and 2003. a total of 249,868 home units were investigated and 51,570 triatomines were captured, and 335 specimens were found to be infected with trypa ... | 2007 | 17568889 |