Human biting rhythm of Anopheles gambiae Giles, 1902 (Diptera: Culicidae) and sleeping behaviour of pregnant women in a lagoon area in Southern Benin

In the framework of EVALMOUS study aiming to assess the use and effectiveness of mosquito nets by pregnant women and other members of their household in a lagoon area in southern Benin, the behaviour of pregnant women relative to the time they go to bed using the net were recorded. Malaria vectors b...

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Bibliographic Details
Published in:BMC research notes 2021-05, Vol.14 (1), p.1-200, Article 200
Main Authors: Djènontin, Armel, Bouraima, Aziz, Soares, Christophe, Egbinola, Seun, Cottrell, Gilles
Format: Article
Language:English
Subjects:
Aggressiveness
Anopheles
Anopheles coluzzi
Anopheles gambiae
Behavior
Biting
Biting rhythm
Confidence intervals
Culicidae
Demographic aspects
Diptera
Disease transmission
Insecticides
KDR gene
Laboratories
Lagoons
Malaria
Mosquitoes
Mutation
Nets
Pesticide resistance
Plasmodium falciparum
Pregnancy
Pregnant women
Prevention
Questionnaires
Research Note
Risk factors
Safety and security measures
Vectors
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Summary:In the framework of EVALMOUS study aiming to assess the use and effectiveness of mosquito nets by pregnant women and other members of their household in a lagoon area in southern Benin, the behaviour of pregnant women relative to the time they go to bed using the net were recorded. Malaria vectors biting rhythm, Plasmodium falciparum infection and insecticide resistance genes in malaria vectors were also determined. Overall, 3848 females of Anopheles gambiae s. l were collected and 280 pregnant women responded to the survey. Almost all Anopheles gambiae s. l. tested were Anopheles coluzzi Coetzee and Wilkerson 2013 (Diptera: Culicidae). The CSP index in malaria vector was 1.85% and the allelic frequency of kdr gene was 74.4%. Around 90% of bites and Plasmodium falciparum Welch, 1897 (Haemosporida: Plasmodiidae) transmission occurred between 10 p.m. and 6 a.m., which coincides with the period when more than 80% of pregnant women were under bednet. Despite a slight early evening and early morning biting activity of malaria vectors in the study area, the good use of nets might remain a useful protection tool against mosquito biting and malaria transmission.
ISSN:1756-0500
1756-0500
DOI:10.1186/s13104-021-05615-7