State Contacts

Kim Bogenschutz

Jason Euchner

Top Reported Species

• Brown marmorated stink bug: 28
  
• Callery pear: 15
  
• Zebra mussel: 15
  
• Asian clam: 11
  
• Japanese knotweed: 5
  
• Silver carp: 5
  
• Banded mystery snail: 5
  
• Lambsquarters: 4
  
• Bighead carp: 3
  
• Winged burningbush: 3
  

Recent Observations

• Japanese knotweed in Dubuque County, IA on May 15, 2023
• Japanese knotweed in Dubuque County, IA on May 15, 2023
• Japanese knotweed in Dubuque County, IA on May 10, 2023
• Japanese knotweed in Jackson County, IA on May 10, 2023
• Zebra mussel in Dickinson County, IA on February 17, 2023