11.   But natural predators could benefit, especially the otter which is rare here, but may in time return.

12.   He encourages natural predators to control pests... like this cannibal mite which preys on the Red Spider mite... an enemy of fruit crops.

13.   Natural predators, sparrowhawk and kestrel, swoop in on regular raids and the garden is visited by fox and weasel.

14.   And having been imported, they have no natural predator to hold down the population.

15.   And then there are those garden-friendly bugs, natural predator insects such as trichogramma wasps, lacewings, praying mantids, ladybugs, hoverflies and robber flies.

16.   Besides some hostile looks from fishermen, seals have little to fear from natural predators in these waters, given the scarcity of sharks and killer whales.

17.   But the threat could be much broader, as scientists say the big bug has no natural predators in North America.

18.   Chemicals may eliminate natural predator wasps, however.

19.   Cars are the natural predators of architecture.

20.   Crop-eating worms and other pests that had never been much of a problem flourished as their natural predators were wiped out by the poisons.