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:
1. All records (yellow dots)   2. Recently verified records (orange dots)*   3. US county records (purple)

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
July 10, 2014 inthelikeness Comanche County, Texas, United States September 23, 2014 Details
March 17, 2007 Shirley Wilkerson Comanche County, Texas, United States September 23, 2014 Details
June 17, 2014 rdhealy1951 Hart County, Kentucky, United States August 18, 2014 Details
May 23, 2014 galby Barry County, Michigan, United States August 12, 2014 Details
May 26, 2014 galby Kalkaska County, Michigan, United States August 12, 2014 Details
June 18, 2014 rlcook Perry County, Illinois, United States August 03, 2014 Details
June 15, 2014 Rick Henle Carroll County, New Hampshire, United States July 17, 2014 Details
June 15, 2014 Rick Henle Carroll County, New Hampshire, United States July 17, 2014 Details
June 06, 2014 jim8435wisc Clark County, Wisconsin, United States June 28, 2014 Details
June 16, 2014 Rick Henle Carroll County, New Hampshire, United States June 26, 2014 Details
June 16, 2014 Rick Henle Carroll County, New Hampshire, United States June 26, 2014 Details
June 22, 2014 a-o Tompkins County, New York, United States June 23, 2014 Details
June 19, 2014 juliereid Ontario, Canada June 20, 2014 Details
June 13, 2014 CathK Albany County, New York, United States June 17, 2014 Details
June 03, 2013 Rick Henle Carroll County, New Hampshire, United States June 15, 2014 Details
June 03, 2013 Rick Henle Carroll County, New Hampshire, United States June 15, 2014 Details
June 03, 2013 Rick Henle Carroll County, New Hampshire, United States June 15, 2014 Details
May 25, 2014 AllenRatz Buncombe County, North Carolina, United States June 14, 2014 Details
April 19, 2014 AllenRatz Buncombe County, North Carolina, United States June 14, 2014 Details
April 25, 2014 AllenRatz Buncombe County, North Carolina, United States June 14, 2014 Details
June 04, 2014 AllenRatz Buncombe County, North Carolina, United States June 14, 2014 Details
May 24, 2014 a-o Essex County, Massachusetts, United States June 05, 2014 Details
May 29, 2014 Intrinsic3141 Suffolk County, New York, United States May 31, 2014 Details
May 25, 2014 Hank Webster Steuben County, New York, United States May 29, 2014 Details
May 25, 2014 BeaLaporte Ontario, Canada May 28, 2014 Details
May 25, 2014 BeaLaporte Ontario, Canada May 28, 2014 Details
March 20, 2014 ddodd Marshall County, Alabama, United States May 23, 2014 Details
March 11, 2014 PDunwiddie Covington County, Alabama, United States May 23, 2014 Details
May 19, 2014 gerryanimator Beaver County, Pennsylvania, United States May 22, 2014 Details
April 27, 2014 K Stilwell Tazewell County, Virginia, United States May 18, 2014 Details
May 03, 2014 Jason Sturner Graham County, North Carolina, United States May 13, 2014 Details
May 02, 2014 curtis.lehman Fulton County, Pennsylvania, United States May 11, 2014 Details
May 03, 2014 razer9672 Bucks County, Pennsylvania, United States May 10, 2014 Details
May 04, 2014 Doug Bruce Scott County, Tennessee, United States May 09, 2014 Details
March 30, 2014 CA Ivy Sebastian County, Arkansas, United States May 03, 2014 Details
April 12, 2014 Brett Budach Riley County, Kansas, United States May 03, 2014 Details
April 27, 2014 Chip Krilowicz Ocean County, New Jersey, United States May 01, 2014 Details
April 26, 2014 tomfishburn Vinton County, Ohio, United States May 01, 2014 Details
April 26, 2014 Doug Bruce Campbell County, Tennessee, United States April 27, 2014 Details
March 25, 2014 herobiscuit Jenkins County, Georgia, United States April 21, 2014 Details
April 01, 2014 herobiscuit Rabun County, Georgia, United States April 21, 2014 Details
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