Be Warned, Japanese Beetles Have Arrived!

Japanese Beetles Feeding

Japanese Beetles Feeding

Japanese beetles have arrived in Southeast Wisconsin. Our first beetles arrived on July 4th. We first spotted them that morning. They are getting thicker by the day.


For more about Japanese beetles read on:

Beetle species: Popillia japonica. Are about 0.6 in long and 0.4 in wide

  • Four different life stages (eggs, larvae, pupae, adults)
  • First found in 1916 in New Jersey. Have since been found in all states east of the Mississippi river as well as Arkansas, Iowa, Kansas, Minnesota, Missouri, and Oklahoma
  • Have been known to feed on grass roots, damage lawns, golf courses, pastures, and the foliage, flowers, or fruits of more than 300 different plants
  • Usually live for about one year and are typically the worst in June and July
  • Do not like it below 50°F. Will die naturally or each life stage has a different way of treatment, the most popular being removal (shake above a pan of soapy water) and insecticides

For more about controlling Japanese beetles visit:

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