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Desert Locust Bulletin, No. 517, October 2021
Swarms mature and lay eggs in NE Somalia
The current upsurge continues in the Horn of Africa and Yemen but on a much smaller scale than one year ago. As anticipated, the few spring-bred swarms remaining in northeast Somalia matured and laid eggs that hatched and new hopper bands started forming. A few of these swarms moved to northwest Somalia and eastern Ethiopia with at least one small swarm nearly reaching the Kenya border on usually strong and persistent northerly winds at the end of the month. More hopper bands are expected to form in northern Somalia and extend to eastern Ethiopia and perhaps central Somalia. A few small mature swarms could reach northern Kenya in the coming weeks and breed. Depending on rainfall and the success of survey and control operations, new immature swarms could start to form by mid-December that may eventually threaten Kenya. Control operations against immature swarms reported in northeast and northern Ethiopia were not possible due to insecurity. One mature swarm from this area reached the Eritrea coast at the end of the month where breeding will occur. Insecurity limited operations in the interior of Yemen where a few small hopper bands and swarms were present. A few swarms are likely to migrate to the Red Sea coast for winter breeding. A few small groups of hoppers and adults formed in the interior of Sudan as summer breeding came to an end and vegetation was drying out. Remaining adults will move to the Red Sea coast for small-scale winter breeding. The situation remained calm in the other regions where only scattered adults were present in Niger and Chad from summer breeding.

website link:
http://desertlocust-crc.org/Pages/Bulletin.aspx?DomainId=58&lang=EN&DId=0&I=0&CId=0&CMSId=800347
pdf link:.
http://desertlocust-crc.org/Download.ashx?File=App_Uploads/Bulletins/Files/211108094135DL517e.pdf


DLIS - 03, Nov 2021
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