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NJ Butterflies

Identification and life history information for every species found in the state.

NJ Butterfly Sites

Information on where and when to look for butterflies in NJ.

Events

Upcoming meetings, field trips, and other events.

Announcements

2026 Field Trip Scheduled Announced: Spring has sprung and our field trip co-ordinator Wade Wander has emerged from hibernation, seen his shadow, and predicts another year of exciting field trips. Review our 2026 Field Trip Schedule and mark your calendars.

Our Next Meeting

Topic: A screening of the movie The Extraordinary Caterpillar
Date & Time: Tuesday, April 28, 2026 at 6:30 p.m
Location: Morris County Library, 30 East Hanover Ave, Whippany, NJ and via Zoom

Full details are found on our Upcoming Events page.

Please note this movie screening will be held in person only. Access via Zoom will not be available.

Our Next Field Trip

Jenny Jump State Forest

This is a joint field trip with the Native Plant Society
Date: Saturday April 25 (April 26)
Location: Hope Twp., Warren County
Leaders: Sharon and Wade Wander (973) 271-0204 or (973) 271-0051

We will walk the Summit Trail looking for early butterflies like Tiger Swallowtail, Falcate Orangetip, Spring Azure, Juniper Hairstreak, White-M Hairstreak, Eastern Comma, Mourning Cloak, Sleepy Duskywing, and Juvenal’s Duskywing. At the same time we will see many species of spring ephemeral wildflowers in this lovely, little-visited, mature deciduous forest that so far has relatively few invasive plants. Botany-savvy members will be on hand to ID plants. Trail is quite steep on the way up, but level at the top where we spend most of our time.

Meet in parking lot a short distance past headquarters bldg. at 330 State Park Road, Hope (Blairstown), NJ. Do not make left into headquarters but continue straight to another lot on the right. Indoor bathrooms available (sometimes with the added pleasure of moths).

Refer to our Complete List of Trips to see all our outings and information about how our trips are conducted. Check back often as details change as the season progresses. Please join us.

Butterflies You Might See This Month

It's a beautiful day - time to go butterflying. Wondering what you might see here in New Jersey this time of year?

Stories About Butterflies

Great Events in NJ Butterfly History: by Sharon and Wade Wander

The kick-off submission chronicles the amazing congregation of hairstreaks at the Whittingham Wildlife Management Area (WMA) in Fredon Twp., Sussex County, on June 22, 2015. Read it here.

Butterflies in the News

12/15/25: From the Xerces Society: US Department of Interior Delays Monarch Butterfly Listing Under Endangered Species Act. Read about it here.

8/14/25: New study from Michigan State documents decline of midwestern butterfly popuations. Read it here.

Earlier Butterflies in the News articles on a variety of butterfly related subjects from various sources are available.