Host feeding patterns of Nyssorhynchus darlingi (Diptera: Culicidae) in the Brazilian Amazon.
Amazon
Human blood index
blood-feeding behavior
malaria
rural communities
Journal
Acta tropica
ISSN: 1873-6254
Titre abrégé: Acta Trop
Pays: Netherlands
ID NLM: 0370374
Informations de publication
Date de publication:
Jan 2021
Jan 2021
Historique:
received:
28
10
2020
accepted:
31
10
2020
pubmed:
10
11
2020
medline:
11
3
2021
entrez:
9
11
2020
Statut:
ppublish
Résumé
Nyssorhynchus darlingi (Root) is the dominant malaria vector in the Brazilian Amazon River basin, with additional Anophelinae Grassi species involved in local and regional transmission. Mosquito blood-feeding behavior is an essential component to define the mosquito-human contact rate and shape the transmission cycle of vector-borne diseases. However, there is little information on the host preferences and blood-feeding behavior of Anophelinae vectors in rural Amazonian landscapes. The barrier screen sampling (BSS) method was employed to sample females from 34 peridomestic habitats in 27 rural communities from 11 municipalities in the Brazilian Amazon states of Acre, Amazonas, Pará and Rondônia, from August 2015 to November 2017. Nyssorhynchus darlingi comprised 97.94% of the females collected resting on barrier screens, and DNA sequence comparison detected 9 vertebrate hosts species. The HBI index ranged from 0.03-1.00. Results revealed the plasticity of Ny. darlingi in blood-feeding on a wide range of mainly mammalian hosts. In addition, the identification of blood meal sources using silica-dried females is appropriate for studies of human malaria vectors in remote locations.
Identifiants
pubmed: 33166514
pii: S0001-706X(20)31664-8
doi: 10.1016/j.actatropica.2020.105751
pmc: PMC8223507
mid: NIHMS1646698
pii:
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
105751Subventions
Organisme : NIAID NIH HHS
ID : R01 AI110112
Pays : United States
Informations de copyright
Copyright © 2020. Published by Elsevier B.V.
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