Crop-eating grasshopper (6)

I believe the answer is:

locust

(Other definitions for locust that I've seen before include "Voracious grasshopper that travels in swarms" , "Destructive migratory insect" , "Part of destructive plague" , "Swarming, destructive insect" , "Ravenous insect" .)

I've seen this clue in the Newsday.

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