Based on 3,255 research-grade iNaturalist observations in Massachusetts, American Copper is most often recorded in July; in Massachusetts it behaves like a summer visitor / breeder. It ranks #3 among butterflies recorded in the state in our data.
Lycaena hypophlaeas
American Copper in Massachusetts by month
Bars show research-grade observations per month. They mix true seasonality with how often people are outdoors, so treat small numbers with caution.
Also seen in Massachusetts in July
Monarch
Silver-spotted Skipper
Small White
Red Admiral
Spicebush Swallowtail
Common Wood-Nymph
Eastern Tiger Swallowtail
American Lady
Places to look in Massachusetts
Botanical GardenArnold Arboretum
Botanical GardenBoston Public Garden
Botanical GardenBerkshire Botanical Garden
State ParkHalibut Point State Park
State ParkHammond Pond Reservation
State ParkTolland State Forest
FAQ
When does American Copper appear in Massachusetts?
Mainly July–October, with the most records in July.
How common is American Copper in Massachusetts?
It ranks #3 by number of iNaturalist observations among butterflies in Massachusetts (3,255 records in our sample).