Notes From Nelson
Black Grass Bug
May 31, 2023
It seems that every few years we see varying degrees of plant damage appearing in patches in crested wheatgrass, and this is one of them years. The insect causing the damage is called the “Black Grass Bug”.
The black grass bug can cause considerable damage to wheatgrasses and in some cases wheat. The primary host of the black grass bug in crested wheatgrass. As nymphs develop they will move out of crested wheatgrass and into adjoining areas of other wheatgrasses or wheat. Wheat fields are seldom severely infected except for borders that adjoin crested wheatgrass ditches or CRP acre...