The ground in the Island was blanketed Tuesday by the pink, 3-inch-long insects, chasing tourists away, the BBC reported.
However, experts said the locusts were in poor condition suggesting they might die within days.
Nonetheless, the locust invasion is believed to be the worst faced by the islands since the 1950s and resulted in authorities ordering a state of alert.
"They only have about of week of life left," said Agriculture Minister Pedro Rodriguez Zaragoza. "Some have no wings and their legs are broken."
Zaragoza said since the locusts were in bad condition, they were hardly eating any crops, so the islands would be spared the agricultural disaster in Africa.
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