Scolytus is a genus of bark beetles (subfamily Scolytinae). It includes several species notorious for destroying trees in the forests. The Dutch elm disease is spread in North America by two species : the native elm bark beetle, Hylurgopinus rufipes, and the European elm bark beetle, Scolytus multistriatus. In Europe, while the aforementioned Scol... Found on http://en.wikipedia.org/wiki/Scolytus