any of several locusts that migrate in great swarms, especially Locusta migratoria, of Africa and Asia.
Origin of migratory locust
First recorded in 1870–75
Also called migratory grasshopper.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for migratory locust
The Migratory-locust, Locusta migratoria, a rather small insect, is the most celebrated species of the family.