Chapter 4. Locusts at a low ebb: continuity of recession populations. Pages 158-168. In: R. C. Rainey. 1989. Migration and Meteorology. Flight behavior and the atmospheric environment of locusts and other migrant pests. Oxford, UK, Clarendon Press, 314 pages.

Keywords: swarming and solitary phases of locusts tropical migratory locust Locusta migratoria migratoria, red locust Nomadacris septemfasciata, desert locust Schistocerca gregaria, current status of the phase theory, outline of a recession, desert locust recession 1963-67 in north Africa, outline of the recession, experience of recession forecasting