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)

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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 26, 2015 sh11 Ontario, Canada May 20, 2016 Details
April 29, 2016 sas27397 Tazewell County, Virginia, United States May 11, 2016 Details
April 26, 2016 jtylerbell Anne Arundel County, Maryland, United States May 11, 2016 Details
April 24, 2016 Saturn Middlesex County, Massachusetts, United States May 04, 2016 Details
May 02, 2016 Paul Kipling Berkeley County, West Virginia, United States May 04, 2016 Details
April 23, 2016 cblazo Franklin County, Pennsylvania, United States April 30, 2016 Details
April 04, 2016 wjshawiii Greene County, Virginia, United States April 27, 2016 Details
April 10, 2016 John LeBlanc Chesterfield County, Virginia, United States April 27, 2016 Details
April 18, 2016 jwilkinson Carroll County, Maryland, United States April 27, 2016 Details
April 20, 2016 digginflowers Lebanon County, Pennsylvania, United States April 21, 2016 Details
April 17, 2016 Doug Bruce Giles County, Tennessee, United States April 18, 2016 Details
April 15, 2016 cblazo Franklin County, Pennsylvania, United States April 17, 2016 Details
April 14, 2016 gunhilda Payne County, Oklahoma, United States April 16, 2016 Details
April 16, 2016 Doug Bruce Lincoln County, Tennessee, United States April 16, 2016 Details
April 09, 2016 Mapper Saline County, Illinois, United States April 11, 2016 Details
April 02, 2016 lilkriskattn Sequatchie County, Tennessee, United States April 03, 2016 Details
April 03, 2016 CA Ivy Crawford County, Arkansas, United States April 03, 2016 Details
March 27, 2016 StaceyWhetstone Knox County, Tennessee, United States March 31, 2016 Details
March 29, 2016 SpadGuy Shenandoah County, Virginia, United States March 30, 2016 Details
March 26, 2016 Doug Bruce Rhea County, Tennessee, United States March 28, 2016 Details
March 20, 2016 Doug Bruce Anderson County, Tennessee, United States March 25, 2016 Details
March 21, 2016 CA Ivy Sebastian County, Arkansas, United States March 21, 2016 Details
March 13, 2016 CA Ivy Sebastian County, Arkansas, United States March 13, 2016 Details
March 06, 2016 CA Ivy (Jon C. Ivy) Cherokee County, Oklahoma, United States March 13, 2016 Details
March 04, 2016 cosmic_cat Claiborne Parish, Louisiana, United States March 07, 2016 Details
March 06, 2016 cosmic_cat Harrison County, Texas, United States March 07, 2016 Details
March 05, 2016 CA Ivy Cherokee County, Oklahoma, United States March 07, 2016 Details
February 28, 2016 CA Ivy (Jon C. Ivy) Cherokee County, Oklahoma, United States March 07, 2016 Details
September 21, 2015 pumblebumble Bexar County, Texas, United States February 09, 2016 Details
April 16, 2012 Chip Krilowicz Gloucester County, New Jersey, United States February 06, 2016 Details
March 22, 2011 AJ Trently Decatur County, Tennessee, United States January 01, 2016 Details
March 14, 2012 AJ Trently Lewis County, Tennessee, United States January 01, 2016 Details
June 03, 2015 Gerald Morris Ontario, Canada December 17, 2015 Details
April 02, 2015 Cathy Miller Charleston County, South Carolina, United States December 01, 2015 Details
May 26, 2014 wayne13114 Oswego County, New York, United States September 30, 2015 Details
May 31, 2013 Rick Henle Carroll County, New Hampshire, United States June 30, 2015 Details
May 12, 2015 digginflowers Page County, Virginia, United States June 27, 2015 Details
June 04, 2015 sh11 Ontario, Canada June 22, 2015 Details
June 11, 2015 sh11 Ontario, Canada June 18, 2015 Details
May 26, 2015 sh11 Ontario, Canada June 18, 2015 Details
May 26, 2015 sh11 Ontario, Canada June 18, 2015 Details
June 06, 2015 aarongunnar Jackson County, Wisconsin, United States June 10, 2015 Details
June 08, 2015 lisagorn Otsego County, New York, United States June 10, 2015 Details
May 25, 2014 sh11 Ontario, Canada June 09, 2015 Details
May 27, 2015 monikawood Steuben County, New York, United States June 09, 2015 Details
March 26, 2015 polson123 Sampson County, North Carolina, United States June 07, 2015 Details
April 12, 2015 AllenRatz Buncombe County, North Carolina, United States June 07, 2015 Details
April 16, 2015 AllenRatz Buncombe County, North Carolina, United States June 07, 2015 Details
June 07, 2015 Jarchibold Saratoga County, New York, United States June 07, 2015 Details
May 03, 2015 quick3beers Clermont County, Ohio, United States June 05, 2015 Details