Updates from the Armyworm Network

Latest Armyworm Forecast (May 2021)


Fall Armyworm(FAW) (Spodoptera frugiperda): FAW attacks were reported in irrigated and late planted rainfed maize in Malawi, Tanzania, Zambia, and Zimbabwe. A similar situation is expected in other maize growing regions across countries and regions.

African Armyworm (AAW) (Spodoptera exempta): AAW outbreaks were not reported during this month.

Current situation

Fall armyworm (FAW)

Moderate infestations of FAW were reported attacking irrigated maize in all the 8 Agricultural Division (Karonga, Mzuzu, Salima, Lilongwe, Machinga, Kasungu, Blantyre and Shire Valley) in Malawi. In Zimbabwe, severe infestations were reported in late planted maize in Chiredzi, Masvingo and Mwenezi districts.

In Zambia, mild infestations were reported in irrigated and late planted rainfed maize and mild to severe infestations were observed in Arusha, Kilindi, Morogoro, Manyara and Tanga regions in Tanzania.

In most places, control operations were carried out by the affected farmers with assistance from MinAgri. However, control operations were not carried out in some areas due to lack of awareness among farmers in areas where CBFAMFEW I project did not reach and compounded by lack of sufficient resources. In Kenya, FAW outbreaks were reported in maize crop in Trans Nzoia, Bungoma and Nakuru Counties. Control operations were carried out in all countries by the effected farmers with material and technical assistance from respective MinAgris (BHA/TPQ, IRLCO-CSA, PHS/Tanzania).

African Armyworm (AAW)

AAW was not reported during this month (BHA/TPQ, IRLCO-CSA).

Forecasts (for the next 6 weeks)

Fall armyworm (FAW)

FAW is likely to continue affecting rain-fed and/or irrigated maize and other cereal crops across sub-Saharan Africa, Asia, the Pacific Regions and elsewhere during the forecast period. Active monitoring, surveillance, reporting, and timely actions remain critical to abate any major crop damage (BHA/TPQ).

African Armyworm (AAW)

AAW presence may be detected in areas in its northern invasion regions during the forecast period but does not pose a threat (BHA/TPQ, IRLCO-CSA).

Acknowledgements This forecast is published by Lancaster University’s Armyworm Network: It is an extract from the Emergency Transboundary Outbreak Pest (ETOP) situation report compiled by USAID/OFDA/PSPM. They monitor ETOPs regularly in close collaboration with their network of national PPDs/DPVs, regional and international pest monitoring and/or control entities, including FAO, CLCPRO, CRC, DLCO-EA, and IRLCO-CSA, as well as Agency partners, and NGOs and provides timely analytical bulletins and reports to stakeholders across the globe. For dated, archived ETOP SITREPs, please, go to:

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