The development of Panstrongylus herreri under fluctuating environmental conditions.

Rev Soc Bras Med Trop

Curso de Pós-Graduação Stricto-sensu em Medicina Tropical e Infectologia, Universidade Federal do Triângulo Mineiro, Uberaba, MG, Brasil.

Published: May 2017

AI Article Synopsis

  • Panstrongylus herreri is a significant vector for Chagas disease due to its ability to create colonies in human dwellings, prompting a study on its biology and reproduction.
  • Females of this species consume more blood than males, although both sexes have similar rates and timing for defecating after a blood meal.
  • Despite a decline in egg-laying rates, P. herreri remains a potential threat for spreading Chagas disease in areas beyond just the Amazon rainforest.

Article Abstract

Introduction: Panstrongylus herreri is a main Chagas disease vector, and its success as a vector stems from its ability to establish domiciliated colonies; we aimed to explore its biology and reproduction.

Methods: The average amount of blood ingested and the time from the beginning of a blood meal to the production of feces were recorded.

Results: Females exhibited a higher blood ingestion rate than males, but similar defecation times and frequencies were observed.

Conclusions: Despite the detected decrease in oviposition rates, P. herreri's potential as a Chagas disease vector in environments other than the Amazon forest cannot be discounted.

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Source
http://dx.doi.org/10.1590/0037-8682-0250-2016DOI Listing

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