What are the creatures causing outbreaks in the US today generally considered, in contrast to the extinct plague species?

Answer

Grasshoppers

Today, the US is home to various species of grasshoppers which can cause localized damage, but they do not possess the scale, density, or sustained migratory pattern of the extinct *M. spretus*.

What are the creatures causing outbreaks in the US today generally considered, in contrast to the extinct plague species?

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How Farmers Accidentally Killed Off North America's Locusts

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