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In the United States it flies from Maine south to Connecticut, Rhode Island, New York, New Jersey, Massachusetts, Pennsylvania and Maryland, and as far west as Wisconsin and Minnesota.
I suspect it is also present in New Hampshire (confirmed August 18, 2008, Chichester, NH, Deb Lievens) and Vermont.
Peter Koch-Schmidt reports, "I took two larvae on Sweetfern southwest of Boston, Massachusetts, in Sherborn in an old gravel pit, June 4, 2000."
Visit Catocala antinympha, Ogemaw County, Michigan, July 24, 2012, Cindy Mead.
Visit Catocala antinympha, Sidney, Kennebec County, Maine, July 29, September 6, Steve Lemieux.
Visit Catocala antinympha, Chichester, Merrimack County, New Hampshire, August 18, 2008, Deb Lievens.
Visit Catocala antinympha, Athol, Worcester County, Massachusetts, July 26, September 9, 2011, Dave Small.
Visit Catocala antinympha, Amherst, Hampshire County, Massachusetts, August 31, September 1, 2011, Joshua S. Rose.
It has also been reported in Delaware, District of Columbia, Illinois, Indiana, Michigan, Ohio and Virginia.
This species appears to be quite rare in the United States.
Catocala antinympha, July 18, 2006, Peterborough, Ontario, courtesy of Tim Dyson
Tom Middagh reports them from Minnesota.
The very dark grey, almost black, forewing ground colour distinguishes antinympha. There is some brown shading in the subreniform spot and also just outside the postmedial line.
The hindwing is amber to pale orange.
Catocala antinympha is the same as C. paranympha Drury, 1773; affinis Westwood, 1837 and melanympha Guenee, 1852
There is also the form multoconspicua Reiff, 1919 with a pale, almost white subreniform spot.
Catocala antinympha at banana/beer bait, July 28, 2006, courtesy of Tim Dyson, Peterborough, Ontario.
Tim Dyson operates an extensive bait trail which he checks regularly throughout the summer and fall. He encounters many of the lesser known forms.
To the right is Catocala antinympha "multiconspicua", observed August 3, 2006, in Peterborough, Ontario.
The subreniform spot shows extensive white scaling on a forewing that otherwise would be entirely dark.
Catocala antinympha Canadian Biodiversity Information Facility
Catocala antinympha form multiconspicua, Sidney, Kennebec County, Maine,
July 29, 2011, courtesy of Steve Lemieux.
In northern portions of its range, Catocala antinympha flies as a single generation with moths on the wing from mid July to mid September.
In more southerly locales there may be multiple flights, but it is generally believed that all Catocala are univoltine (single brooded).
Moths come in to lights readily and also to bait.
Tim Dyson sends this great shot, July 28, 2006, Peterborough, Ontario.
The Catocala antinympha caterpillar shows a preference for Comptonia peregrina (sweetfern) and seems to be host specific.
Generally pupation is in a very thinly constructed cocoon (just a few strands of silk) amongst leaf litter near the base of the host plant.
Catocala antinympha, July 27, 2006, Peterborough, Ontario, courtesy of Tim Dyson
Visit Joe Garris's Catocala antinympha image, New Jersey.
Visit Deb Lievens's Catocala antinympha image, New Hampshire.
This page is brought to you by Bill Oehlke and the WLSS. Pages are on space rented from Bizland. If you would like to become a "Patron of the Sphingidae/Catocala Sites", contact Bill.
Please send sightings/images to Bill. I will do my best to respond to requests for identification help.
Enjoy one of nature's wonderments: Live Saturniidae (Giant Silkmoth) cocoons.