– moving old tires and other catch basins cuts down on the number
of mosquitoes breeding in your area. Such simple changes of
the physical habitat can control many pests.
introduce and encourage the types of animals that naturally
gobble up pests. Those toads, garter snakes, and ladybugs are
natural predators on insect pests.
prevention – remove
eggs, larvae, cocoons, and adult insects by hand.
– avoid planting and harvesting when insects are most abundant
buy plants that are resistant and free of pests and diseases.
– areas with a variety of plant types are less susceptible to
plants are more resistant to pests and diseases if grown under
their favored conditions of light, moisture, etc.
– use insect hormones that prevent the insect from growing into
a sexually mature adult.
pathogens and parasites –
introduce bacteria, viruses, and parasites that kill pests but
won’t harm other types of animals.
– use synthetic pesticides with a short life, only as needed,
and applied at the correct part of the insect’s life cycle.
pond or lake vegetation and that growing along rivers and streams
requires special treatment. For information, contact your county
WSU Cooperative Extension.