Chinch Bug, small black bug with white wings. Common in the United States, Central America, and the West Indies, the chinch bug sucks the sap of grasses. It is an important insect enemy of lawns and hayfields in the eastern United States, and it attacks corn and small grain in the Mississippi Valley. Two consecutive generations mature each year. The species occurs in two forms: long-winged and short-winged.
Scientific classification: The chinch bug is classified as Blissus leucopterus. It belongs to the family Lygaeidae, order Heteroptera.