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Madagascar Locust Swarms Threaten Food Security
Food Systems

Madagascar Locust Swarms Threaten Food Security

Severity
8/10
Impact
13.0Mpeople
Trend
stable
Region
Madagascar
Madagascar continues to face a long-running migratory locust threat that can rapidly damage crops, pasture, and rural livelihoods, especially in agricultural and pastoral zones. FAO reporting says the plague has put the food and nutrition security and livelihoods of about 13 million people at risk, with severe episodes capable of infesting up to two-thirds of the island and causing major losses to rice and other staple crops. The most detailed figures in the provided sources are historical rather than 2025–2026 updates: an FAO/WFP mission found that by the end of February 1997 about 2 to 2.5 million hectares had been infested, while later assessments described losses in rice, maize, cassava, and pasture across southern, central, and northern zones. No supplied source confirms a new 2025–2026 escalation, so the most defensible current assessment is that the crisis remains structurally serious but without verified evidence of a recent surge.

Recent Developments

01The provided sources do not include verified 2025–2026 reporting showing a new escalation in swarm extent, population affected, or economic losses.

02FAO and UN reporting continue to frame the locust plague as a major food-security risk for Madagascar, with potential impacts on rice, maize, pasture, and livestock livelihoods.

Interventions

  • FAO-led locust surveillance and control efforts remain the main documented intervention in the provided sources, including aerial and ground monitoring, pesticide treatment, and efforts to prevent swarms from spreading.
  • National anti-locust control operations in Madagascar, supported by international partners in earlier campaigns, have focused on protecting cultivated land and pasture from infestation.

What Works

  • Early surveillance and rapid treatment of hopper bands and swarms is the most consistently supported approach in the sources, because locusts can multiply quickly and spread across large areas if not controlled early.
  • Large-scale coordinated control programs can reduce damage to staple crops and pasture; historical assessments show that treatment campaigns targeted millions of hectares to limit spread and protect production.

How to Help

  • Support humanitarian and agricultural-response organizations working on locust surveillance, pest control, and food-security protection in Madagascar.
  • Back NGOs and UN-linked relief efforts that help rural households protect crops, livestock feed, and livelihoods during infestation periods.
  • Advocate for sustained international funding for preventive locust control and food-security programs in Madagascar.

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Organizations Helping(8)

The ministry is actively leading the 2025/2026 anti-locust campaign, with plans to treat 600,000 hectares of farmland exposed to locust invasion. Its approach combines aerial and ground control operations to reduce infestation spread and protect crops and rural livelihoods.

IPC contributes by projecting the severity of acute food insecurity linked to locust impacts, including estimates of how many people may face crisis levels of food insecurity. In this problem space, its method is to provide early warning and evidence for targeting humanitarian and agricultural interventions where locust outbreaks threaten livelihoods.

Madagascar’s Locust Control Centre works with FAO on field surveillance, detection of hopper bands and swarms, and execution of control operations across infested zones. The national system focuses on routine monitoring, rapid response, and treating outbreak areas before locusts reproduce and spread further into agricultural regions.

OCHA’s strategy is to make humanitarian action more coordinated, faster, and more accountable rather than to directly deliver most relief itself. It convenes UN agencies, NGOs, Red Cross/Red Crescent partners, and host authorities around shared response structures, common plans, and agreed priorities so that aid reaches people in need with less duplication and fewer gaps.[4][10] A core part of this model is pooled financing. OCHA manages CERF and Country-Based Pooled Funds to move money quickly to urgent and underfunded crises, including when needs are known before donor funding arrives or when local priorities need flexible support.[8][2] OCHA also strengthens the system through humanitarian information, public needs tracking, and advocacy, using global appeal platforms and response plans to translate field evidence into funding asks and operational coordination.[5][9] This approach is distinctive because OCHA acts as an orchestrator across the humanitarian system: it does not mainly implement aid projects itself, but instead improves the speed, coherence, and targeting of the overall response. Its model combines coordination, shared analysis, pooled funding, and public accountability to help multiple operational agencies respond as one system.[2][8][10]

Sources & Citations

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