Horace's Duskywing

Erynnis horatius

 Genus Erynnis
Subfamily Spread-wing Skippers
Family Skippers
All Massachusetts Species
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Horace's DuskywingHorace's DuskywingHorace's DuskywingHorace's DuskywingHorace's Duskywing

Horace's Duskywing

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Occurrence   CT River Valley eastward - resident
Abundance Uncommon; maximum 23
Flight Period May 14 - September 19 (mainly late May to early September)
Notes Very similar to much more abundant Juvenal's Duskywing
Overwintering Larva
More info Massachusetts Butterfly Atlas Website
More info Butterflies of Massachusetts Website

Horace's Duskywing

Photo © Marj Rines - 7/11/2002
Horn Pond Mountain, Woburn

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Horace's Duskywing

Photo by Tom Murray - 7/22/2004
Great Blue Hill, Milton

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Horace's Duskywing

Photo by Sue Cloutier - 7/22/2004
Great Blue Hill, Milton

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Horace's Duskywing

Photo by Frank Model - 8/11/2007
Jamaica Bay National Wildlife Refuge, Queens, NY
Female

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Horace's Duskywing

Photo by Frank Model - 7/4/2007
Horn Pond Mountain, Woburn
Mating

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Horace's Duskywing

Photo by Frank Model - 7/16/2007
Blue Hills, Milton

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