Destructive beetle that kills coconut trees found in Hawaii . The smaller the island , the more susceptible to damage from invaders , Moore said . The black rhino beetle has caused extensive damage on Guam since 2007 . It poses a ` ` tremendous '' economic threat to Hawaii if it is n't introduced , official report .
Destructive beetle that kills coconut trees found in Hawaii . The black rhino beetle has caused extensive damage on Guam since 2007 . It poses a ` ` tremendous '' economic threat to Hawaii if it is n't introduced , official report .