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The IDNR headquarters at 1 Natural Resources Way in Springfield has experienced a power outage and tree damage throughout the grounds as a result of severe storms in the area. The agency expects to reopen the building to the public on Monday, June 15, 2026, though this could be subject to change. Check back here for an update before planning to visit the office in person.

Governor JB Pritzker Illinois.gov Contact IDNR DNR A to Z

falcate orangetip

falcate orangetip (Anthocharis midea) [female dorsal] [femal ventral]
Photos © Michael Jeffords/Susan Post

falcate orangetip (Anthocharis midea) [male dorsal] [male ventral]
Photos © Michael Jeffords/Susan Post

Features and Behaviors

​Coming soon.

Illinois Range

Taxonomy

​Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Pieridae

Illinois Status: locally encountered

More information coming soon.