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Possible online services disruption due to Internet related outage

A worldwide technology outage is causing disruption to some State of Illinois online systems.  We are aware of this issue and are diligently working on restoration.

Attention hunters: Visit our FAQ page for information about the use of centerfire, single-shot rifles for deer hunting in Illinois. 

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

dusky azure

dusky azure (Celastrina nigra) [female dorsal] [male dorsal]
Photos © Michael Jeffords/Susan Post

Features and Behaviors

​Coming soon.

Illinois Range

Taxonomy

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

Illinois Status: rare stray

More information coming soon.