The first instance of Colorado potato beetle resistance to synthetic organic pesticides was noted for DDT in 1952. Resistance to dieldrin was reported in 1958, followed by resistance to other chlorinated hydrocarbons. In subsequent years, the beetle has developed resistance to numerous organophosphates and carbamates.
How many pesticides has the Colorado potato beetle developed resistance to?
Since the middle of the last century, the beetle has developed resistance to 52 different compounds belonging to all major insecticide classes. Resistance levels vary greatly among different populations and between beetle life stages, but in some cases can be very high (up to 2,000-fold).
Will malathion kill Colorado potato beetle?
When insecticide treatment is warranted consider timing, coverage and insecticide choice. … Because of decades of repeated insecticide use, the Colorado potato beetle may be resistant to many available insecticides, including Sevin and malathion.
What keeps beetles away?
Mint oil and the plants that contain it are excellent natural pest repellants. To keep beetles out of your living space, mix 10-15 drops of pure peppermint oil into 8 ounces of water. Shake the mixture up and spray it around your doorways, vents, and windows.
Why are potato bugs called potato bugs?
A Potato Bug’s Menu
Jerusalem crickets and Colorado potato beetles are called potato bugs because of their diets. Jerusalem crickets can sometimes be found in potato fields eating the roots and tubers of potato crops.