Updates from the Armyworm Network

Latest Armyworm Forecast (November 2020)


Fall Armyworm (FAW) (Spodoptera frugiperda) : FAW was reported in Arumeru Region in Tanzania and a similar situation is likely in other countries where maize is in season and irrigation is in progress.

African Armyworm (AAW) (Spodoptera exempta): AAW outbreak was not reported during this month.

Current situation

Fall armyworm (FAW)

Infestations were reported in maize fields in Arumeru Region in Tanzania. It is expected that the pest was present in irrigated and in-season maize and other cereal crops in invasion and outbreak countries and regions (BHA/TPQ, DLCO, PHS/Tanzania).

African Armyworm (AAW)

AAW outbreaks were not reported during this month (BHA/TPQ, DLCO-EA).

Forecasts (for the next 6 weeks)

Fall armyworm (FAW)

FAW is expected to continue affecting rain-fed and irrigated maize and other cereal crops across sub-Saharan Africa, Asia, the Pacific Regions and elsewhere during the forecast period (BHA/TPQ).

African Armyworm (AAW)

AAW activities may appear in in the seasonal outbreak regions in southcentral Africa at the foot hill of the rains (BHA/TPQ).


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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