Fall Armyworm Invasion Threatens Food Security in Africa

Strategic Insights -

The fall armyworm (FAW) has become a significant constraint to agriculture in Africa, threatening food security and the livelihoods of millions of smallholder farmers. Maize, the most vulnerable crop in sub-Saharan Africa, suffers significant annual losses due to the destructive impact of FAW. The pest's invasive success in Africa is driven by complex biological and ecological patterns, making control efforts challenging. Researchers emphasize the importance of Integrated Pest Management (IPM) to mitigate FAW damage.

Key Takeaways:

  • The fall armyworm (FAW) is a polyphagous pest native to the American continent that was first detected in Africa in 2016.
  • FAW severely damages staple crops like maize, sorghum, and rice, threatening food security and the livelihoods of millions of smallholder farmers.
  • Maize suffers significant annual losses due to FAW, affecting agricultural productivity and overall rural economies.
  • The pest displays complex biological and ecological patterns that are highly dependent on environmental factors, host plant availability, and natural enemy diversity.
  • Control efforts are challenging due to the pest's invasive success in Africa.
  • Integrated Pest Management (IPM) is crucial for reducing pesticide reliance and ensuring stable agricultural production.
  • Regular crop monitoring and surveillance principles are discussed as prevention and early detection measures to mitigate FAW damage.
  • Collaboration among stakeholders, including international research organizations, is essential for effectively controlling FAW invasion.

Statistics:

  • FAW was first detected in Africa in 2016.
  • Maize suffers significant annual losses due to FAW.
  • Agricultural productivity and overall rural economies are affected by FAW damage.
  • FAW is a major constraint to agriculture in Africa.
  • 7 is the volume number of the journal article "Fall armyworm (Spodoptera frugiperda) in Africa: insights into biology, ecology and impact on staple crops, food systems and management approaches" published in Frontiers in Agronomy, 2025.

Sources:

  • Fall armyworm (Spodoptera frugiperda) in Africa: insights into biology, ecology and impact on staple crops, food systems and management approaches. Frontiers in Agronomy, 2025,7.
  • International Maize and Wheat Improvement Center (CIMMYT). Fall armyworm (Spodoptera frugiperda) in Africa: insights into biology, ecology and impact on staple crops, food systems and management approaches. Frontiers in Agronomy, 2025,7.
  • Frontiers Media S.A. A free version of this journal article is available at https://doi.org/10.3389/fagro.2025.1538198.
  • Abou Togola, Global Maize Program, International Maize and Wheat Improvement Center (CIMMYT), Nairobi, Kenya.