Common name: Hessel's Hairstreak
Scientific name: Callophrys hesseli (Rawson and Ziegler, 1950)

Class:
Insecta (Insects)
Order:
Lepidoptera (Butterflies, Skippers, and Moths)
Family:
Lycaenidae (Blues, Coppers, Hairstreaks, Elfins)
Synonyms:
Other common names:

Habitat type(s):
Habitat description(s)
Palustrine:
FORESTED WETLAND, Bog/fen, Riparian

Ecological systems and subsytems (about):
PALUSTRINE - FORESTED PEATLANDS:
Coastal plain Atlantic white cedar swamp (guide)
A swamp that occurs on organic soils along streams and in poorly drained depressions of the coastal plain. Atlantic white cedar makes up over 50% of the canopy cover. In mixed stands in New York, red maple is the codominant tree.
PALUSTRINE - FORESTED PEATLANDS:
Inland Atlantic white cedar swamp* (guide)
A swamp that occurs on organic soils (usually peat) in poorly drained depressions and along pond edges in southeastern New York and northern New Jersey. The characteristic tree is Atlantic white cedar. In mixed stands the codominants are typically red maple, black gum, and eastern hemlock.

* probable association but not confirmed.


Conservation:
Global conservation status rank:
G3
Vulnerable globally - At moderate risk of extinction due to rarity or other factors; typically 80 or fewer populations or locations in the world, few individuals, restricted range, few remaining acres (or miles of stream), and/or recent and widespread declines.
State conservation status rank:
S1
Critically Imperiled in New York - Especially vulnerable to disappearing from New York due to extreme rarity or other factors; typically 5 or fewer populations or locations in New York, very few individuals, very restricted range, very few remaining acres (or miles of stream), and/or very steep declines.
Federal protection:
Not Listed
State protection:
Endangered
Listed as Endangered by New York State: in imminent danger of extirpation in New York. For animals, taking, importation, transportation, or possession is prohibited, except under license or permit. For plants, removal or damage without the consent of the landowner is prohibited.
SGCN:
NYNHP track status:
Y: Track all extant and selected historical EOs

More information:
Conservation guide:
https://guides.nynhp.org/hessels-hairstreak/
NatureServe explorer link:
https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.110485/Callophrys_hesseli/