Horace's Duskywing Erynnis horatius

Duskywings can be identification challenges! Females tend to be more mottled than males. This species has fairly large whitish subabpical spots along with a white spot closer to the body than the wrist patch along the leading edge of the forewing.


Horace's Duskywing (Erynnis horatius) Horace's Duskywing (Erynnis horatius)
Male
New Hanover Co., NC
27 Aug 2005
Male
Person Co., NC
13 Jun 2006

Horace's Duskywing (Erynnis horatius) Size and brightness of white spots near wing tips are variable.
Male
Orange Co., NC
29 July 2008

Horace's Duskywing (Erynnis horatius) Horace's Duskywing (Erynnis horatius)
Female
Nectaring on Lespediza
Orange Co., NC
20 Aug 2005
same individual

Horace's Duskywing (Erynnis horatius) Horace's Duskywing (Erynnis horatius)
Female
Orange Co., NC
15 June 2006
Same individual
Orange Co., NC
15 June 2006

Horace's Duskywing (Erynnis horatius) Horace's Duskywing (Erynnis horatius)
Female
Nectaring on Pycnanthemum tenuifolium
Orange Co., NC
16 July 2003

Pettigrew State Park
Washington Co., NC
21 June 2003

Horace's Duskywing (Erynnis horatius) Horace's Duskywing (Erynnis horatius)
Female
Nectaring on Pycnanthemum tenuifolium
Blackwood Division of Duke Forest
Orange Co., NC
25 July 2003
Female
New Hanover Co., NC
28 August 2004

Note that Horace's normally do NOT show those two white subapical underhindwing spots...
Horace's Duskywing, female
Durham Co., NC
19 Aug 2007
same individual
Durham Co., NC
19 Aug 2007

Horace's Duskywing (Erynnis horatius)

This is likely a spring brood Horace's Duskywing from the mountains, where the huge majority of larger duskywings at this time of year are Juvenal's. Alternatively, this could be a Juvenal's that lacks the 2 subapical underhindwing spots.

Haywood Co., NC
13 May 2006
Horace's Duskywing (Erynnis horatius)

Many butterflies, especially duskywings will annoy the photographer by partially closing their wings when approached by the camera from above!

Buncombe Co., NC
8 July 2006

North Carolina Butterflies | North American Butterflies | Jeff's Nature Page


Created on ... June 29, 2003 | Updated on ... July 18, 2006 | jspippen@duke.edu