Bombay Hook National Wildlife Refuge, 2591 Whitehall Neck Road, Smyrna, announced its September calendar of events.

Programs are free-will paid refuge admission of $4 per car.

— Monarch tagging: 2-3:30 p.m. Sept. 9. Terry Willis will give an explanation of the monarch butterfly life cycle before tagging monarchs. After tagging monarchs that were raised in captivity, participants will visit the meadow at the visitor center to capture and tag monarchs. Participants should wear long pants and long sleeved shirts.

— Jr. rangers learn about insects: 9:30-11:30 a.m. Sept. 16. Ages 7 to 11 are invited to attend. Be a dead log detective to see what kind of insects live within. Children will make a viewing jar to study insects without hurting them. They will then identify and journal what they see. Participants should bring their notebook; group will review progress and checklist. Space is limited. To register: 653-9345 or tina_watson@fws.gov.

— Tour of the refuge: 11 a.m. to 12:30 p.m. and 1:30-3 p.m. Sept. 24. Join volunteer Ray Cullom for a tour of the refuge. Find out how the refuge is managed for wildlife, visit different habitats and walk a trail. Participants should meet at the Visitor Center.

— Public Lands Day: Sept. 30. The $4 entrance fee will be waived in celebration of Public Lands Day. Guests can spend the day exploring and relaxing in nature. National Public Lands Day is a fee-free entrance day at federal public lands including National Park Service, U.S. Fish and Wildlife, Bureau of Land Management, Forest Service and U.S. Army Corps of Engineers.

— Annual Native Plant Symposium: 10 a.m. to 2:30 p.m. Sept. 30. Native plants are essential in habitats for pollinators, birds and other wildlife that provide an ecosystem with food, water, cover and shelter. This year, guest speakers will be George Coombs and Nancy Lawson. Coombs is the manager of the horticultural research program at Mt. Cuba Center, including the trial garden where he evaluates native plants and their related cultivars for their horticultural and ecological value. Coombs will detail how Mt. Cuba selects and evaluates native plants for superior garden performance, and learn about some of their exciting research comparing the ecological value of cultivars and straight species. Lawson is the author of “The Humane Gardener: Nurturing a Backyard Habitat for Wildlife,” a columnist for All Animals magazine and the founder of Humane Gardener, an outreach initiative dedicated to cultivating compassion through animal-friendly and environmentally sensitive landscaping methods. Lawson will give a presentation on native bees. Symposium is free. Lunch will be provided. Register: ewahl@elemewntdg.com or 645-0777.

For more, visit fws.gov/refuge/Bombay_Hook/about.html or call 653-9345.