chinch bug

noun

1. a small lygaeid bug, Blissus leucopterus, that feeds on corn, wheat, and other grains.

noun

1. a black-and-white tropical American heteropterous insect, Blissus leucopterus, that is very destructive to grasses and cereals in the US: family Lygaeidae
2. a related and similar European insect, Ischnodemus sabuleti