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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 3

Developmental stages of Rhodnius pictipes, R. neglectus, and Panstrongylus lignarius found in houses and palm trees Attalaea phalerata*

Reduviid species R. pictipes R. neglectus P. lignarius
Nymphs
1st instar 4 3 1
2nd instar 14 - -
3rd instar 9 5 1
4th instar 6 3 1
5th instar 14 4 2
Adults
Male 27 10 3
Female
29
13
3
Total 103 38 11

*No nymphs were found in houses.

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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