Within the Tollway region, there are two federally protected species of insect: Hine’s Emerald Dragonfly (HED) and Rusty Patched Bumble Bee (RPBB).

There are also three state listed species of butterfly and moth in the region: Ottoe Skipper, Eryngium Stem Borer, and Regal Fritillary, and 1 dragonfly, the Elfin Skimmer.

In addition to construction related surveys for threatened and and endangered species, we have ongoing research projects:

Visit our environmental education section to learn more about insects