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Locusts in Caucasus and Central Asia

Bulletin N92

Year of publication 2023

Place of publication Rome, Italy ;

Pages 5

Publisher FAO ;

Product type Document

Synopsis (short abstract) While the locust campaign is approaching the end, the situation was still classified as caution for Moroccan (DMA), Italian (CIT) and Asian Migratory Locusts (LMI) in the Russian Federation, for LMI in Kazakhstan and CIT in Kyrgyzstan. It was calm in other countries and for other species. Control operations covered an area of 89 536 hectares (ha) in Caucasus and Central Asia (CCA) in August. Overall, 2.68 million ha were treated during 2023 campaign. This represents an increase of 38% with respect to 2022 (1.94 million ha treated), which concerns Central Asia, but not Caucasus and the Russian Federation. Overall, the treated areas in CCA in 2023 remain lower than the average annual figures for the past 15 years (average 3.7 million ha). During the forecast period, CIT and LMI natural life cycles will come to an end.

Language English

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    Natural cycles of the three locust species – Moroccan Locust (DMA), Italian Locust (CIT) and Migratory Locust (LMI) – ended in late summer/early autumn in all countries with eggs laid in the soil, where they overwinter (embryonic diapause). During the forecast period, no hatching of any of these three species is expected.
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    Moroccan Locust (DMA) fledging, mating and egg-laying started in southern parts of Central Asia, where also swarm flights were reported, especially in areas near state borders. DMA hopper development continued in Azerbaijan, Kazakhstan, Kyrgyzstan and Russian Federation; in Georgia fledging already started by the end of May. Italian Locust (CIT) hatching and hopper development continued in Georgia and in Central Asian (CA) countries. Migratory Locust (LMI) hatching started in Azerbaijan, Kazakhstan and Uzbekistan. A dangerous situation was reported for CIT in Georgia while situation was classified as caution for both DMA and CIT in most countries. During the forecasted period, DMA breeding will continue and its lifecycle will come to the end while CIT and LMI hopper development will continue in Azerbaijan, Russian Federation and northern regions of Kazakhstan. CIT fledging will occur in other regions of Kazakhstan, Tajikistan and Uzbekistan. In total, more than 665 000 hectares (ha) have been treated in CCA from the beginning of the 2021 campaign to the end of May, which is 11 percent higher compared to the same period in 2020.
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