chinch bug

☆

a small, white-winged, black hemipterous bug (Blissus leucopterus) that damages grain plants by sucking out the juices

See chinch bug in American Heritage Dictionary 4

also cinch bug

noun
Chiefly Southern & Midland U.S.

A small black and white insect (Blissus leucopterus) that is very destructive to grains and grasses.
See bedbug.

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