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Braz. j. med. biol. res ; 25(1): 19-22, 1992. tab
Artigo em Inglês | LILACS | ID: lil-108993

RESUMO

The feeding behavior of six triatomid species toward latex condoms filled with blood at 26 ñ 1 and 36 ñ 1 grade C was observed for 4 h. The speciesd studied were Triatoma infestans, Triatoma brasiliensis, Triatoma vitticeps, Triatoma pseudomaculata, Rhodnius prolixus and Panstrongylus megistrus, and 34 to 348 insects were studied in each group(average, 190). All the life stages of each species were used. Although most insects (80%, average for 6 species) preferred the warmer blood, 54% of the individuals of all species fed on blood kept at 26 greade C. For Triatoma pseudomaculata, a higher proportion of insects fed on blood at 26 grade C (2%) than on blood at 36 grade C (65%). These results suggest that bait containing insecticides which are effective through the digestive tract may be useful in the control of these vectors even at room temperature


Assuntos
Animais , Comportamento Alimentar , Insetos Vetores/fisiologia , Temperatura , Triatominae/fisiologia
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