Mosquitos anofelinos envolvidos na transmissão da malária humana no município de Cruzeiro do Sul, estado do Acre, Amazônia brasileira

Izis Monica Carvalho Sucupira; Marcia Moraes Martins dos Santos; Marinete Marins Póvoa

doi:10.5123/S2176-6223202201224

Authors

Izis Monica Carvalho Sucupira Instituto Evandro Chagas/SVS/MS, Seção de Parasitologia, Laboratório de Pesquisas Básicas em Malária-Entomologia, Ananindeua, Pará, Brasil https://orcid.org/0000-0002-1582-6548
Marcia Moraes Martins dos Santos Instituto Evandro Chagas/SVS/MS, Seção de Parasitologia, Laboratório de Pesquisas Básicas em Malária-Entomologia, Ananindeua, Pará, Brasil https://orcid.org/0000-0001-8372-4984
Marinete Marins Póvoa Instituto Evandro Chagas/SVS/MS, Seção de Parasitologia, Laboratório de Pesquisas Básicas em Malária-Entomologia, Ananindeua, Pará, Brasil; Universidade Federal do Pará, Programa de Pós-Graduação em Biologia dos Agentes Infecciosos e Parasitários, Belém, Pará, Brasil https://orcid.org/0000-0003-3517-2227

DOI:

https://doi.org/10.5123/S2176-6223202201224

Keywords:

Malaria, Disease Transmission, Infectious, Mosquito Vectors, Anopheles

Abstract

ABSTRACT

OBJECTIVES:

To identify anopheline mosquito species as malaria vectors and verify their role in human malaria transmission scenery in the municipality of Cruzeiro do Sul, Acre State, Brazilian Amazon.

MATERIALS AND METHODS:

From 2012 to 2019, adult anopheline mosquitoes were collected by protected human attraction for 4 h (from 6 pm to 10 pm) and 12 h (from 6 pm to 6 am). The collected specimens were placed in entomological cups, identified with time, date, and place of collection, and collectors names. At the end, they were placed in coolers to be transported to the laboratory, where they were morphologically identified using identification keys. Then, the specimens were prepared for further detection of human plasmodium infection.

RESULTS:

During the study period, with a sampling effort of 468 h, 4,150 specimens of anopheline mosquitoes were collected, 99.64% were identified as Anopheles darlingi. The human bite index ranged from 1.46 in 2019 to 9.33 in 2013, and the infection rate varied from zero in 2017 to 1.44 in 2015. Of the 47 infected specimens, 46 were identified as An. darlingi.

CONCLUSION:

The anopheline mosquito vector of human malaria in Cruzeiro do Sul is An. darlingi, the species considered the main malaria vector in Brazil.