Entomological Monitoring2024-04-22T16:32:46+00:00

Entomological Monitoring

Monitoring, adapting, and responding to changes in malaria-carrying mosquito populations
The success in the malaria fight to date has been achieved in large part through insecticide treated nets and indoor residual spray. Both of these depend on the ability of insecticides to kill, repel, or reduce the lifespan of female mosquitoes, so understanding and monitoring the local mosquito population, their behavior, and their insecticide resistance status are critical to continued success.
With changing malaria situation and changing ecology and biology of mosquitoes – as well as new chemicals and formulations becoming available for mosquito control in the next few years – it is essential that countries monitor, adapt, and respond to changes in mosquito populations. PMI has been a global leader in building up the power ability for malaria affected countries to conduct comprehensive entomological monitoring, including insecticide resistance testing. For
countries conducting indoor residual spraying, entomological monitoring data has enabled better decision-making about where and with which insecticides to spray.

Responding to Anopheles stephensi in Africa

Much that malaria and mosquito experts know about An. stephensi outside of its native range has come from work in Ethiopia funded by PMI in collaboration with the Ministry of Health, regional health bureaus, the Armauer Hansen Research Institute, and others.

This invasive species of mosquito could put an additional 126 million Africans — including those living in cities — at risk for malaria. While rural communities have suffered from malaria more frequently because of native mosquitoes, An. stephensi could allow the disease to also surge in Africa’s populous cities where mosquito tools like bed nets are not widely used. By breeding in containers, An. stephensi are able to survive year round, regardless of rainfall, leading to previously unheard of outbreaks of malaria in the dry season.

To support countries in making decisions about how best to address this biological threat, PMI’s An. stephensi Task Force developed an Action Plan. The living document contains reference material, protocols, and proposed activities in alignment with the WHO.

2501, 2024

Tracking Malaria-Carrying Mosquitoes: A Peace Corps Volunteer in Guinea

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Peace Corps volunteer Blessing Uzoeshi barely thought about mosquitoes until she moved to Guinea. Now she is helping track down mosquitoes to gather essential information for keeping her community safe from malaria.

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PMI Resources Related to Entomological Monitoring

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An Invasive Mosquito Threatens the Progress to End Malaria in Africa


PMI is helping to lead the response in Ethiopia against Anopheles stephensi

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October 26, 2022

Beyond Borders: Scientists Studying Mosquitoes Collaborate to End Malaria in the Greater Mekong Subregion


A highly skilled team of entomologists (scientists who study mosquitoes) from Thailand and Lao PDR attended a workshop to share information, skills, and techniques to support the region’s goal to eliminate malaria.

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August 16, 2023

Bridging Logistical Gaps in Entomological Surveillance in Nigeria


“The new vehicular arrangement between AIRS Nigeria and the State […]

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August 8, 2017

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