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Giant Silk
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Species of Greatest Conservation Need

What are species of greatest conservation need? Vermont's Wildlife Action Plan is a proactive examination of the health of Vermont's wildlife. It is chock-full of prescribed actions to conserve wildlife and vital habitat before they become rarer and more costly to protect. The Action Plan was created by pooling the knowledge of the people who know Vermont's wildlife best-the Vermont Fish & Wildlife Department and the representatives of more than 60 local, state and national agencies, sportsmen and conservation groups, academics, land managers and other wildlife experts. The first 3 years of VBS data was invaluable for determining which butterfly species should be included as species of greatest conservation need and represents our first conservation success story!

Many of us are probably not far from a habitat that might be the home of one or more of these butterflies. Learn more about the natural history of each of these butterflies to help us find new populations in Vermont.

Species Name & Flight Period
West Virginia White (Pieris virginiensis) - mid-April to mid-June
Bog Copper (Lycaena epixanthe) - late June to early Aug
Edwards' Hairstreak (Satyrium edwardsii) - mid-late June to late Aug
Bog Elfin (Callophrys lanoraieensis) - late May to mid-June
Early Hairstreak (Erora laeta) - mid-May to early Aug
Regal Fritillary (Speyeria idalia) - extirpated
Hackberry Emperor (Asterocampa celtis) - mid-late June to mid Sept.
Tawny Emperor (Asterocampa clyton) - mid-late July to early Sept.
Jutta Arctic (Oeneis jutta) - late May to mid-Aug
Persius Duskywing (Erynnis perisius)
Cobweb Skipper (Hesperia metea) - early May to mid-June
Mulberry Wing (Poanes massasoit) - early July to mid-late Aug
Broad-winged Skipper (Poanes viator) - late June to late Aug
Black Dash (Euphyes conspicua) - early July to mid-Aug
Dion Skipper (Euphyes dion) - early July to early Aug
Two-spotted Skipper (Euphyes bimacula) - mid- June to late July
Dusted Skipper (Atrytonopsis hianna) - mid-May to early Aug