Species mali - Larger Shothole Borer Species multistriatus - Smaller European Elm Bark Beetle Species muticus - Hackberry Engraver Species piceae - Scolytus piceae Species quadrispinosus - Hickory Bark Beetle Species rugulosus - Shothole Borer Species schevyrewi - Banded Elm Bark Beetle Species unispinosus - Scolytus unispinosus