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Locusts in Caucasus and Central Asia

Bulletin N81

Year of publication 2022

Place of publication Rome, Italy ;

Pages 6

Author FAO

Publisher FAO ;

Product type Journal, magazine, bulletin

Synopsis (short abstract) Moroccan Locust (DMA) hatching started in Tajikistan earlier than in other countries, at the beginning of March. DMA hatching in Afghanistan and Uzbekistan was recorded during the second and third decades of March. During the forecast period, DMA hopper development will continue in the above countries, while hatching will begin in Kazakhstan, Kyrgyzstan, Turkmenistan and the Russian Federation, as well as in Azerbaijan and Georgia. Italian Locust (CIT) hatching may start in the southern countries of Caucasus and Central Asia (CCA) at the end of the forecast period. Asian Migratory Locust (LMI) hatching is not expected in April. By the end of March, in total 2950 hectares (ha) have been treated against DMA in Tajikistan and Uzbekistan, which is less than in March 2021 (5818 ha) and in March 2020 (13 000 ha).

Language English

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    Locusts in Caucasus and Central Asia
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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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