Pollinator Scorecard Data at 2020 Tollway Management Area Pollinator Points

Research output: Book/Report/Conference proceedingTechnical report


Surveyed ISTHA roadside vegetation management areas at 29 points along I-90 and I-88
• Most sites contained milkweed plants, usually Common Milkweed (Asclepias syriaca)
• No Monarch adults or larvae observed during sampling
• Other butterfly, beetle, bee, and wasp species were observed
• The 5 sites with the highest overall scores were in the I-90 corridor
• The I-90 corridor sites tended to have more nectar and invasive species than those in the I-88 corridor
• Invasive species were a threat at all sites
Original languageEnglish (US)
PublisherIllinois Natural History Survey
Number of pages14
StatePublished - Mar 2021

Publication series

NameINHS Technical Report
No.2021 (03)


  • pollinators
  • roadsides
  • plants
  • tollway


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