Attributes of Erynnis juvenalis

Juvenal's Duskywing
Erynnis juvenalis (Fabricius, 1793)

Family: Hesperiidae
Subfamily: Pyrginae
Identification: Upperside of male is brown with clear spots, indistinct dark markings, and scattered white hairs; female has larger markings and spots. Underside of hindwing has 2 round pale spots below the apex. Male has a costal fold containing yellow scent scales; female has a patch of scent scales on the 7th abdominal segment.
Wing Span: 1 1/4 - 1 15/16 inches (3.2 - 4.9 cm).
Life History: To wait for females, males perch in forest clearings or edges on bare twigs about 3-12 feet above the ground; they will often patrol from these perches. Females lay eggs singly on young leaves and seedlings of the host plants. Caterpillars feed on leaves and rest in nests of rolled or tied leaves; fully-grown caterpillars hibernate.
Flight: One brood from April-June, emerging as early as late January in peninsular Florida.
Caterpillar Hosts: Tree and shrub oaks (Quercus species).
Adult Food: Nectar from flowers of winter cress, dandelion, wild plum, wisteria, blueberry, Carolina vetch, redbud, and lilac.
Habitat: Oak woods or scrub and associated edges or fields.
Range: Nova Scotia and central New England west through southern Manitoba to the Dakotas and northeastern Wyoming; south through most of the eastern United States to Florida, the Gulf states, and Texas. White-fringed populations occur in west Texas, New Mexico, and central Arizona south to central Mexico.
Conservation: Not usually required.
NCGR: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.
Management Needs: None reported.
Taxonomy Notes:

Images of Erynnis juvenalis

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Erynnis juvenalis - Erynnis_juvenalis.jpg

Erynnis juvenalis - Erynnis_juvenalis.jpg
Erynnis juvenalis - Erynnis_juvenalis2.jpg

Erynnis juvenalis - Erynnis_juvenalis2.jpg

The map below displays all BAMONA data for this species and has three different data layers:
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There are also three base layers: 1. Satellite    2. Normal   3. Hybrid

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*The orange dots on the map provide access to information about the 400 most recently verified sightings of this species. Sometimes, there are several records at the same location. Use the table view to access these records.

By default, the fifty most recently verified sightings are below. Sort by Observation Date to see the most recent sightings, or filter the sightings by region to get a regional list.

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Observation Date Submitter Region Verified Datesort icon
April 10, 2014 stephen stedman Pickett County, Tennessee, United States April 10, 2014 Details
April 06, 2014 Doug Bruce Hamblen County, Tennessee, United States April 07, 2014 Details
March 30, 2014 Doug Bruce Sequatchie County, Tennessee, United States March 31, 2014 Details
May 16, 2013 curtis.lehman Hancock County, West Virginia, United States March 31, 2014 Details
May 06, 2013 curtis.lehman Ohio County, West Virginia, United States March 27, 2014 Details
April 27, 2013 curtis.lehman Marion County, West Virginia, United States March 27, 2014 Details
March 18, 2014 CA Ivy Sebastian County, Arkansas, United States March 20, 2014 Details
March 29, 2012 rosenthal.k Fairfax County, Virginia, United States March 16, 2014 Details
April 26, 2013 K Stilwell Buchanan County, Virginia, United States March 16, 2014 Details
April 26, 2013 K Stilwell Buchanan County, Virginia, United States March 16, 2014 Details
April 26, 2013 K Stilwell Buchanan County, Virginia, United States March 16, 2014 Details
April 14, 2013 curtis.lehman Logan County, West Virginia, United States March 13, 2014 Details
February 22, 2014 Redheart Canyonlands Bandera County, Texas, United States March 04, 2014 Details
April 26, 2013 K Stilwell Pike County, Kentucky, United States February 18, 2014 Details
May 06, 2013 dbifulco Sussex County, New Jersey, United States February 09, 2014 Details
May 03, 2013 joeerino Salem County, New Jersey, United States February 05, 2014 Details
April 18, 2011 pbrody Montgomery County, Maryland, United States December 04, 2013 Details
May 05, 2012 doris potter Quebec, Canada November 12, 2013 Details
June 13, 2013 dpgbfly1 Kanabec County, Minnesota, United States August 05, 2013 Details
May 13, 2007 overnemen Fairfield County, Connecticut, United States July 24, 2013 Details
May 18, 2013 John Many Wings Shenandoah County, Virginia, United States July 22, 2013 Details
April 25, 2012 Wild Ideas Rappahannock County, Virginia, United States July 17, 2013 Details
June 06, 2013 Sean Werle Franklin County, Massachusetts, United States July 03, 2013 Details
May 31, 2013 Sean Werle Franklin County, Massachusetts, United States June 29, 2013 Details
June 12, 2013 doris potter Quebec, Canada June 17, 2013 Details
June 10, 2013 Crystal Boyd Sherburne County, Minnesota, United States June 15, 2013 Details
June 12, 2013 David Allen Jones Sawyer County, Wisconsin, United States June 15, 2013 Details
June 02, 2013 BeaLaporte Ontario, Canada June 03, 2013 Details
June 02, 2013 BeaLaporte Ontario, Canada June 03, 2013 Details
May 25, 2013 soluslupus13 Ontario, Canada June 01, 2013 Details
May 26, 2013 Dave Kinney Wexford County, Michigan, United States May 31, 2013 Details
May 30, 2013 beastbreath Ingham County, Michigan, United States May 31, 2013 Details
May 31, 2013 mrcnaturally Rockland County, New York, United States May 31, 2013 Details
April 28, 2013 TSims Lancaster County, Pennsylvania, United States May 29, 2013 Details
May 06, 2013 AngelaCoco Luzerne County, Pennsylvania, United States May 29, 2013 Details
May 05, 2013 TSims Lancaster County, Pennsylvania, United States May 29, 2013 Details
May 05, 2013 TSims Lancaster County, Pennsylvania, United States May 29, 2013 Details
May 06, 2013 BigMcC62 Westmoreland County, Pennsylvania, United States May 29, 2013 Details
May 18, 2013 von40827 Leslie County, Kentucky, United States May 19, 2013 Details
March 17, 2013 Lois Stacey Georgia, United States, Wilkes County May 13, 2013 Details
February 27, 2013 Alicia Jackson Muscogee County, Georgia, United States May 13, 2013 Details
May 13, 2013 von40827 Leslie County, Kentucky, United States May 13, 2013 Details
May 12, 2013 Doug Bruce Bledsoe County, Tennessee, United States May 12, 2013 Details
May 08, 2013 BSaylor Stark County, Ohio, United States May 11, 2013 Details
April 27, 2013 mrcnaturally Westchester County, New York, United States May 10, 2013 Details
April 26, 2013 tomfishburn Hocking County, Ohio, United States May 01, 2013 Details
April 25, 2013 Sean Werle Franklin County, Massachusetts, United States April 30, 2013 Details
April 27, 2013 cobal2913 Ross County, Ohio, United States April 29, 2013 Details
March 17, 2013 Ken Cheeks Aiken County, South Carolina, United States April 23, 2013 Details
April 15, 2013 Doug Bruce Hardin County, Tennessee, United States April 23, 2013 Details