south dakota, bronze birch borer, pests
The bronze birch borer (Agrilus anxius) is a serious pest of birch trees throughout the United States. It is prevalent in South Dakota where birches occur naturally – in the Black Hills and in Roberts County – and also is found wherever birch trees have been planted in the state.
Ball, John; McLeod, Murdick; and Graper, David, "Bronze Birch Borer Management in South Dakota" (1992). SDSU Extension Extra Archives. 210.