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DL Situation
Desert Locust Bulletin, No. 488, May 2019

Spring-bred locust infestations threaten summer areas

Intensive ground and aerial control operations continued during May against widespread infestations of hopper and adult groups, bands and swarms in Saudi Arabia and Iran that developed from two generations of unprecedented spring breeding. Swarms moved from eastern Yemen into the central highlands and a few continued into southern Saudi Arabia. A few swarms moved to southern Jordan during a brief period of unusual southerly winds while hopper bands and immature adult groups were present along the Kuwait / Saudi Arabia border. Winter-bred immature adult groups persisted on the northern Red Sea coast of Saudi Arabia and the coast in southeast Egypt. At the end of May, adult groups appeared in the interior along both sides of the Egypt/Sudan border. 

While the control operations have reduced locust infestations in the spring breeding areas, populations that are not detected or cannot be treated will form groups and small swarms that will move to summer breeding areas in the interior of Sudan and Yemen, and along the Indo-Pakistan border during June. As rains have occurred some six weeks earlier than normal in these areas, breeding could commence by the end of this month. Depending on the summer rains, two generations of breeding may be possible this year, causing a further increase in locust numbers by October. 

Very little breeding occurred in Northwest Africa this spring so locust numbers are currently very low and will remain so. Summer breeding may start earlier than normal this year in Niger and Chad because of the May rains.

All efforts should be undertaken to control the current situation and be prepared for the summer.

For more information, please download the Desert locust Bulletin form the link below:

DLIS - 06, Jun 2019
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