61.   Eastern Europe has predatory fish with teeth and jaws strong enough to crush the shells but zebra mussels here have no natural enemies.

62.   In Hawaii, miconia has no natural enemies and scientists have not yet found a successful biological agent to combat it.

63.   Likewise, natural enemies were identified to control thrips.

64.   The ants, which are native to South America, have no natural enemies in the United States.

65.   The fire ants in the United States have flourished with densities five times that of their native South American habitat because they lack a natural enemy.

66.   The growth of the plants have been successful because they have no natural enemies.

67.   Then they might come to their capitalist senses and join Germany in an assault on their natural enemy, the communist Soviet Union.

68.   Without natural enemies the monster crabs are thriving and rapidly expanding their habitat.

69.   But chemical controls will be needed over the next two years until a natural enemy is found.

70.   With its toxic emissions, it kills surrounding marine and plant life, and, with no natural enemies, spreads like wildfire.