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Millipede Control in Waukesha County, WI

Diplopoda

Low Threat

Millipedes are cylindrical, multi-legged arthropods that occasionally invade Wisconsin homes in large numbers after heavy rains. They curl into spirals when disturbed and live in moist soil and leaf litter. Mass migrations into homes occur when their outdoor habitat becomes flooded or overly dry.

Signs of Millipedes

  • Curled dark insects on floors
  • Mass migration events
  • Found near foundation
  • Foul odor when crushed

Common Locations

BasementsGarage floorsFoundation perimeterUnder mulchLeaf litter

Prevention Tips

  • Reduce mulch near foundation
  • Improve drainage
  • Seal foundation cracks
  • Remove leaf debris
  • Perimeter treatment

Wisconsin Climate Factors

  • Heavy rain triggers mass migration
  • Drought drives them indoors for moisture
  • Fall yard cleanup reduces populations

Seasonal Activity

Spring
7/10
Summer
6/10
Fall
8/10
Winter
1/10

Millipedes FAQ – Waukesha County

Why are hundreds of millipedes in my Waukesha County basement?

Mass millipede invasions in Waukesha County typically follow heavy rains or drought conditions that flood or dry out their outdoor habitat. Professional perimeter treatment and drainage improvement prevents future invasions.

Need Emergency Pest Service?

Don't wait when safety is at risk. PIP's emergency team responds same-day across Waukesha County.

Call Now: (262) 893-5271

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