Letter | Published:

Regularities in duration of regional desert locust plagues

Naturevolume 256pages484485 (1975) | Download Citation



DURING a plague of desert locusts, Schistocerca gregaria (Forskal), extensive areas are infested by successive generations of gregarious populations, and for working purposes a plague can be considered to be in progress as long as the progeny of swarms remain in swarms. In the periods between plagues, or recessions, the species exists mainly in low density populations, and such small swarms as occasionally occur seldom persist beyond one generation.

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  1. Centre for Overseas Pest Research, College House, Wrights Lane, London, W8 5SJ, UK

    • Z. WALOFF
    •  & S. M. GREEN


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