Insects, Disease, & Invasive Species



  • Gypsy Moth - The caterpillars feeding will stress tress and can kill them. Learn how to reduce their numbers in your yard.
  • Emerald Ash Borer - a shiny green beetle known for killing ash trees. If you suspect Emerald Ash Borer please call: USDA Forest Service (866)-322-4512. Menomonee Falls has a 5-Year EAB Implementation Plan (PDF).
  • Elm Bark Beetle - Spreads Dutch Elm Disease, a fungal infection.
  • Lone Star Ticks - can transmit bacteria that cause human monocytic ehrlichiosis, a potentially debilitating and dangerous disease. If you believe you may have located a Lone Star Tick, email Susan Paskewit, a local lead professor at the University of Wisconsin is interested in collecting specimens found in Wisconsin.


  • West Nile Virus - disease transmitted by a certain breed of mosquito which can be spread to humans, birds, and horses. People can report dead birds found near their homes to the following hotline: 800-433-1610.
  • Oak Wilt - a fungal disease which can quickly kill an oak tree.

Invasive Species

  • Invasive species displace native species, disrupt ecosystems, and affect citizens' livelihoods and quality of life. Learn how you can help keep them in check.
  • Yard waste disposal alternatives (PDF) for invasive weeds.