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Volume 7, Number 1—February 2001
Research

Emerging Chagas Disease: Trophic Network and Cycle of Transmission of Trypanosoma cruzi from Palm Trees in the Amazon

Antonio R.L. Teixeira*Comments to Author , Pedro Sadi Monteiro*, José M. Rebelo†, Enrique R. Argañaraz*, Daniela Vieira*, Liana Lauria-Pires*, Rubens Nascimento*, Cássia A. Vexenat*, Antonio R. Silva†, Steven K. Ault‡, and Jackson M. Costa‡
Author affiliations: *University of Brasília,; †Federal University of Maranhão,; ‡Pan-American Health Organization/World Health Organization, Brasília, Brazil

Main Article

Table 4

Type of blood in triatomine bugs captured in palm trees and houses

Bird Bird/ Didelphis Didelphis Didelphis/
Rodent Rodent Human Canine/ Equine
Triatomine Total (%) (%) (%) (%) (%) (%) (%)
Rhodnius pictipes 28 26.6 26.6 26.6 13.4 6.8 6.8 -
R. neglectus 10 40 - 40 - - 20
Panstrongylus lignarius 6 100 - - - - -
% 36.6 18.2 27.3 9.1 4.5 4.5 4.5

* The blood type in the gut of triatomine bugs was identified by the agarose gel precipitin test with taxon-specific antiserum (31,32).

Main Article

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Main Article

1In this study, a major ecosystem is defined as a set of ecoregions of comparable dynamics, response characteristics to disturbance, species diversity, and conservation needs. An ecoregion is a geographically distinct set of natural communities with similar species, ecologic dynamics, environmental conditions, and ecologic interactions critical for long-term persistence (1).

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