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Updated: Jun 1, 2026

A Method for Quantifying Foliage-Dwelling Arthropods
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A Method for Quantifying Foliage-Dwelling Arthropods

Published on: October 20, 2019

[Entomological survey (1975-1983)].

Antônio Carlos Silveira1

  • 1Organização Panamericana de Saúde, Brazil. atcrs@uol.com.br

Revista Da Sociedade Brasileira De Medicina Tropical
|May 18, 2011
PubMed
Summary

Updated vector distribution data in Brazil identified five key Chagas disease vectors. Triatoma infestans showed increased dispersion, while native species occupied distinct territories, aiding targeted control efforts.

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Articles linked to this work by shared authors, journal, and citation graph.

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2 nd Brazilian Consensus on Chagas Disease, 2015.

Revista da Sociedade Brasileira de Medicina Tropical·2016
Same author

[Brazilian Consensus on Chagas Disease, 2015].

Epidemiologia e servicos de saude : revista do Sistema Unico de Saude do Brasil·2016
Same author

[Institutional insertion of Chagas' disease control].

Revista da Sociedade Brasileira de Medicina Tropical·2011
Same author

[Seroprevalence survey of human Chagas' infection (1975-1980)].

Revista da Sociedade Brasileira de Medicina Tropical·2011
Same author

[Summary of results from the national surveys].

Revista da Sociedade Brasileira de Medicina Tropical·2011
Same author

[The control of vectorial transmission].

Revista da Sociedade Brasileira de Medicina Tropical·2011

Area of Science:

  • Vector-borne diseases
  • Medical entomology
  • Parasitology

Context:

  • Following national vector control systematization in 1975, updated information on vector distribution in Brazil was crucial.
  • Intra-domiciliary transmission of Chagas disease required precise differentiation of vector roles.

Purpose:

  • To conduct updated surveys on vector distribution across Brazil.
  • To identify and map areas at risk for Chagas disease vectorial transmission.
  • To determine the specific roles of different vector species in Chagas disease transmission.

Summary:

  • A nationwide survey in 1,942 municipalities (1980-1983) mapped Chagas disease endemic and at-risk areas.
  • Five key vector species were identified: Triatoma infestans, Panstrongylus megistus, T. brasiliensis, T. pseudomaculata, and T. sordida.
  • Triatoma infestans, an allochthonous vector, demonstrated increased dispersion into northeastern Brazil.

Impact:

  • Enabled precise mapping of endemic and at-risk areas for Chagas disease vectorial transmission nationwide.
  • Identified and prioritized five principal vector species for targeted intervention strategies.
  • Revealed distinct geographical distributions for native vector species, informing regional control efforts.

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