21.   Nix said the greenhouse could be used to raise beneficial insects like praying mantises and ladybugs.

22.   Now, engineered corn expresses the pesticide all over the plant, including in pollen that can be deadly to monarch butterflies and other beneficial insects.

23.   Pike gardens near-organically to avoid harming butterflies and beneficial insects, such as ladybugs and praying mantises, that eat insect pests.

24.   Some loss of beneficial insects is expected, Larmon said.

25.   Some, like buckwheat, attract beneficial insects.

26.   Spray carefully in the evening, when aphid-eating beneficial insects like ladybugs are least active.

27.   Some plant propagators label fragrant plants, or plants that attract hummingbirds, butterflies or beneficial insects.

28.   That will also preserve beneficial insects that prey on pests.

29.   The Bt genes are a biologic code for assembling proteins that can kill certain pests while having no effect on beneficial insects and animals.

30.   The Freys also have developed a remote-controlled airplane with a bomb hatch that can drop thousands of beneficial insects on a field in minutes.