Moroccan Locust (DMA) hopper development continued in Azerbaijan and Georgia and finished in most Central Asia (CA) countries followed by fledging, mating and egg-laying. In many countries, particularly in Kyrgyzstan and Tajikistan, anti-locust campaign was seriously hampered by COVID-19, and some DMA infestations were not treated in time. As a result, swarm flights including transboundary ones took place in many areas in CA. Hopper development of the Italian Locust (CIT) started in most countries and will continue in June; in May the situation generally remained under control. In Caucasus, cool and wet weather slowed down hopper development of both CIT and DMA. Migratory Locust (LMI) hatching started in Uzbekistan, Kazakhstan and Russian Federation; hopper development will occur in June. A total of over 600 000 ha were treated in May 2020, which is 50% more than in May 2019.