American Entomologist (1995) 41, 179-185

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Allan T. Showler (1995)
Locust (Orthoptera: Acrididae) outbreak in Africa and Asia, 1992-1994: An overview
American Entomologist 41 (3), 179-185
Abstract: Desert locust, Schistocerca gregaria (Forskal), began to exhibit gregarious behavior and amassed into swarms in the fall of 1992 along the Red Sea coast; successive generations of gregarious locusts over the nex 18 mo gave rise to localized outbreaks west to Mauritania and east to India. Concurrent African migratory locust, Locusta migratoria migratorioides (Reiche and Fairmaire), and tree locust, Anacridium melanorhodon (Walker) outbreaks compounded the locust infestations in the Horn of Africa. Evolution of the overall outbreak is described, including ways in which locusts were found and controlled. Preparation and lack of armed conflict in critical locust breeding areas, particularly in Eritrea and the Red Sea coast of Sudan, facilitated early intervention with relatively selective and low residual insecticides. Preventive, proactive, and reactive locust control approaches are described, and future trends for locust management in Africa and Asia are identified. Sustained and successful preventive and proactive approaches, especially against S. gregaria would help to alleviate a serious constraint to agricultural production with the aim of reducing localized famine in regions chronically plagued by drought, poverty, and hunger.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
Link to article at publishers website
Database assignments for author(s): Allan T. Showler

Research topic(s) for pests/diseases/weeds:
population dynamics/ epidemiology


Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.


Schistocerca gregaria
Locusta migratoria
Anacridium melanorhodon