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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

great purple hairstreak

great purple hairstreak (Atlides halesus) [female] [male]
Photos © Michael Jeffords

great purple hairstreak (Atlides halesus)
Photo © Michael Jeffords

Features and Behaviors

​Coming soon.

Illinois Range

Taxonomy

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

Illinois Status: rare, native

More information coming soon.