Janie Grillo, butterfly enthusiast, will introduce live monarch butterflies 1 p.m. September 10 at the Midwest Museum of Natural History.

Grillo will discuss the butterfly life cycle and why butterflies are important to our ecosystem. There will be a monarch butterfly release if the weather is permitting.

The museum hopes to encourage the community’s appreciation of natural history through experiences and education.

Cost for this event is $5 for museum members and $10 for non-members.

For more information, contact 815-895-9777 or go to www.mmnh.org.