Feeding Habits, Natural Infection and Distribution of Domiciliary Triatominae Bugs Northeast of Brazil

This is the presentation of data obtained by a study carried out in the Northeast of Brazil, where the biogeographical characteristics include the "caatinga" (a semi-arid) savanna and ample transitional strips with other features. Among them are the Atlantic tropical forest and the larger...

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Bibliographic Details
Published in:Revista de saúde pública 1981-01, Vol.15 (2), p.113-164
Main Authors: attini, O P, Soares Barata, JM, Ferreira Santos, JL, Silveira, A C
Format: Article
Language:Portuguese
Subjects:
Rhodnius nasutus
Triatoma brasiliensis
Triatoma infestans
Triatoma pseudomaculata
Triatoma sordida
Trypanosoma cruzi
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Summary:This is the presentation of data obtained by a study carried out in the Northeast of Brazil, where the biogeographical characteristics include the "caatinga" (a semi-arid) savanna and ample transitional strips with other features. Among them are the Atlantic tropical forest and the larger forest inclusions. From 1975 to 1980, a total of 15,342 bugs collected in domiciliar environment were examined to discover the blood feeding habits of the natural infection by Trypanosoma of the cruzi type. Intestinal content was submitted to reactions to antiserums for humans, dogs, cats, rodents (Rattus ), opossums (Didelphis ), and birds (Gallus ). By order of frequency, the species found were: Triatoma pseudomaculata (40.6%). Panstrongylus magistus(19.7%), T. brasiliensis and T. sordida (14.3% each), Rhodnius nasutus (6.1%) and T. infestans (1.1%), and some other rare ones.
ISSN:0034-8910