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