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spotted alfalfa aphid
noun
- a pale yellowish aphid, Therioaphis maculata, of the southern U.S., especially west of the Mississippi River, that is marked with black spots and has fine spines on its back: a pest mainly of alfalfa and some other legumes, as clover.
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Word History and Origins
Origin of spotted alfalfa aphid1
First recorded in 1955–60
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