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Common names: June Beetle, May Beetle, Daw Bug
Scientific name: Phyllophaga sp
Region: Many species of this beetle can be found throughout North America.
Life cycle: One generation every three years. The grubs overwinter in the soil for the first two years, and then the third winter is spent in the pupal stage.
Physical Description: This 1 inch, hard-shelled beetle is black or reddish brown. The eggs are laid separately several inches (1-8) below the surface of the soil.
The plump larva is gray/white with a brown head.
Feeding characteristics: As grubs, they feed on underground plant parts during the summer, such as, roots of bluegrass, timothy grass, corn, soybeans, and several other crops.
Controls: Use Milky Spore Disease to control the grubs. The Digger Wasp is a natural predator, that will dig down after the grub.
Return from June Beetle to Insects I-L Encyclopedia of Garden Insects
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