Northern Masked Chafer

(Cyclocephala borealis)

ADULT

Northern Masked Chafer Size

GRUB

Northern Masked Chafer Grub

RASTER

Northern Masked Chafer Raster
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Treatment Thresholds

  • 8-12 (per sq. foot)
  • 1 (per 4.25-inch cup cutter core)
Sm Md Lg Instar

Life Cycle Graph

Northern Masked Chafer Lifecycle

In New York, find the latest label information at the New York Department of Environmental Conservation’s Bureau of Pest Management – Information Portal. Always follow label directions.

Note: All instar sizes and month ranges are approximate and may vary by climate