Distribution: Hawaiian Islands – Hawaii, Maui, Oahu, Kauai, Molokai, and Lanai. However, it only infects trees in a few locations on each island. Damage: Small leaves with powdery cinnamon to dark chocolate rust pustules on top and bottom leaf surfaces; brown, necrotic leaf spots; leaf curling and yellowing; leaf death, premature defoliation, tree decline Management: …