Massachusetts Butterfly Club - Home

Massachusetts Butterfly Club

A Chapter of the
North American Butterfly Association

Can You ID This Butterfly?

1. Mouse over the photo to see the species name.  
2. Click the photo to see the
species web page.  
3. Click here to see a new photo.

                        * * * * 30 Years!!!! * * * *
The Massachusetts Butterfly Club is celebrating our 30th year! To see a brief history of the club and how it began, click here.

               * * * July Count - Date Changes * * *
The Falmouth July Count originally scheduled for July 1st has been rescheduled to July 8th.
The North Worcester County July Count originally scheduled for July 8th has been rescheduled to July 1st.

              * * * Fort Indiantown Gap - Regal Fritillary * * *
Free guided tours of rare Regal Fritillary butterfly habitat are offered at Fort Indiantown Gap. The dates are June 30 (Friday), July 1 (Saturday), July 7 (Friday), and July 8 (Saturday). You must preregister as the habitat is on an active military base. See this link for more information and to preregister.

The Spring meeting of the Massachusetts Butterfly Club was held at Mass Audubon's Broad Meadow Brook in Worcester on Saturday, April 29, 2023. Click on this link 2023 Spring Meeting to see highlights of the meeting and a group photo.

The Lunenburg Community Pollinator Habitat is having an Open House on Saturday, June 24, 10 a.m. to noon to celebrate National Pollinator Week. There are crafts for children, local musicians’ background music, refreshments, a free raffle and informational tours. A number of hand-outs will be available to help folks get started planting for pollinators in their own yards. The open house will be at 123 Hollis Rd, Lunenburg, MA. For more information, please contact Ginny Albertson at or (508) 596-4371.

                       * * * Hats and T-shirts * * *
We have new official Massachusetts Butterfly Club Hats and T-shirts available for purchase.
Please click on the Club Merchandise link on the left menu.

    * * * Field Trips ADDED, Falmouth July Count scheduled * * *
June 24 (10am - 12pm) - Myles Standish State Forest
August 19 (10am - 12pm) - Nasketucket Bay State Reservation
July 1 (9am) - Falmouth July Count
Please see updated list in 2023 Schedule.

On December 3 we hosted Robert Gallardo speaking on Butterflies of Honduras. Robert is building a nature reserve and working on a complete guide to Honduran butterflies, and has made several discoveries of new species in the process. A link to the recording of this talk is here:

If you wish to receive news about the soon to be published Guide to the Butterflies of Honduras, sign up at this link:

MBC member Andrew Griffith writes a post on butterflies for the Wareham Week Today website. If you’d like to see his posts, you can click on On that webpage you can see a list of recent posts on the right side of the page.

                        **** Please Donate ****

The Massachusetts Butterfly Club sponsors state-wide butterfly activities to promote education, conservation, interpretation, and fun! We invite people of all ages and levels of expertise to attend our meetings, programs, field trips, and butterfly counts and to become members of our club.

If you care about our butterflies and the club's efforts to support them, please consider making a donation to our club.
Click on this link to see how you can donate.

                  *****  Butterflying Code of Ethics  *****
The Massachusetts Butterfly Club has adopted a Butterflying Code of Ethics. You can find the document under Club Information on the left menu.

Sign up to get e-mail from Massachusetts butterfly enthusiasts!

If you wish to receive periodic e-mail messages about butterflies in Massachusetts and to report your own butterfly sightings, consider joining the MassLep list server. Butterfly watchers from around the state send messages listing the butterflies they see, describing butterfly behavior, posing questions, and answering them. Joining the list server is a great way to find out what's flying and to get to know others who share your interests!

Subscribe to MassLep
Browse Archives at

If you have questions about MassLep or its operations, send an email to moderator Mark Faherty, MassLep is independently operated in coordination with the Massachusetts Butterfly Club.

    *****  Report your sightings to our Records Compiler   *****

If you do not report your sightings on MassLep or Facebook and would like to report your sightings to our records compiler directly, you can download the spreadsheet below and email to Mark Fairbrother at

            Sightings Report spreadsheet

Note: Please DO NOT use this form if you report your sightings on MassLep or Facebook.

This website is a work in progress.
Send your suggestions to our webmaster.