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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The map below displays all verified sighting records in the BAMONA database for this species. Each record is indicated with a yellow dot. The orange dots on the map provide access to information about the 200 most recently verified sightings of this species. In some instances, there are several records at the same location. Use the table view to access these records.
Instructions: Click on the map and move your mouse to pan.
Zoom by using the plus [+] and minus [-] on the left side of the map.
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The fifty most recently verified sightings are below. See more recently verified sightings of all species.
| Observation Date | Submitter | Region |
Verified Date |
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May 05, 2012 | Cheryl Jennings | Grant County, West Virginia, United States | May 16, 2012 | Details |
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May 06, 2012 | Cheryl Jennings | Tucker County, West Virginia, United States | May 16, 2012 | Details |
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April 25, 2012 | saapple | Venango County, Pennsylvania, United States | May 10, 2012 | Details |
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May 05, 2012 | BeaLaporte | Ontario, Canada | May 09, 2012 | Details |
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April 15, 2012 | Melinda Fawver | Unicoi County, Tennessee, United States | May 07, 2012 | Details |
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May 05, 2012 | Cheryl Jennings | Grant County, West Virginia, United States | May 06, 2012 | Details |
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May 02, 2012 | aarongunnar | Chippewa County, Wisconsin, United States | May 04, 2012 | Details |
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April 02, 2012 | natneedshelp | Perry County, Pennsylvania, United States | April 29, 2012 | Details |
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March 30, 2012 | Doug Bruce | Moore County, Tennessee, United States | April 27, 2012 | Details |
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April 22, 2012 | jim8435wisc | Jackson County, Wisconsin, United States | April 26, 2012 | Details |
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April 14, 2012 | Cheryl Jennings | Mineral County, West Virginia, United States | April 16, 2012 | Details |
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April 14, 2012 | Cheryl Jennings | Mineral County, West Virginia, United States | April 16, 2012 | Details |
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April 14, 2012 | Cheryl Jennings | Mineral County, West Virginia, United States | April 16, 2012 | Details |
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April 14, 2012 | jim8435wisc | Sauk County, Wisconsin, United States | April 15, 2012 | Details |
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April 07, 2012 | Cheryl Jennings | Hampshire County, West Virginia, United States | April 12, 2012 | Details |
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April 08, 2012 | Cheryl Jennings | Jefferson County, West Virginia, United States | April 11, 2012 | Details |
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April 01, 2012 | Cheryl Jennings | Berkeley County, West Virginia, United States | April 11, 2012 | Details |
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April 01, 2012 | Cheryl Jennings | Berkeley County, West Virginia, United States | April 11, 2012 | Details |
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April 07, 2012 | Cheryl Jennings | Hampshire County, West Virginia, United States | April 11, 2012 | Details |
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April 07, 2012 | Cheryl Jennings | Hampshire County, West Virginia, United States | April 11, 2012 | Details |
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April 01, 2012 | Melinda Fawver | Fentress County, Tennessee, United States | April 10, 2012 | Details |
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April 09, 2012 | curtis.lehman (Rory Bower) | Mifflin County, Pennsylvania, United States | April 09, 2012 | Details |
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April 06, 2012 | Chip Krilowicz | Salem County, New Jersey, United States | April 06, 2012 | Details |
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March 27, 2012 | Doug Bruce | Claiborne County, Tennessee, United States | April 03, 2012 | Details |
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March 18, 2012 | Melinda Fawver | Jefferson County, Tennessee, United States | March 29, 2012 | Details |
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June 01, 2011 | damselflies | Cheshire County, New Hampshire, United States | September 11, 2011 | Details |
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April 03, 2006 | chipmunkridge | Haywood County, North Carolina, United States | August 21, 2011 | Details |
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May 31, 2011 | dendroica5 | Franklin County, Massachusetts, United States | August 17, 2011 | Details |
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May 26, 2011 | eglennie | York County, Maine, United States | July 22, 2011 | Details |
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June 18, 2011 | lynnike | Clearwater County, Minnesota, United States | July 22, 2011 | Details |
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April 29, 2011 | Naseem Reza | Chesterfield County, Virginia, United States | June 15, 2011 | Details |
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April 17, 2011 | Naseem Reza | Chesterfield County, Virginia, United States | June 12, 2011 | Details |
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June 03, 2011 | BeaLaporte | Ontario, Canada | June 07, 2011 | Details |
| March 12, 2011 | vitaly charny (Vitaly Charny) | Tuscaloosa County, Alabama, United States | May 31, 2011 | Details | |
| March 13, 2011 | vitaly charny (Vitaly Charny) | Perry County, Alabama, United States | May 31, 2011 | Details | |
| March 13, 2011 | vitaly charny (Vitaly Charny) | Bibb County, Alabama, United States | May 31, 2011 | Details | |
| March 19, 2011 | vitaly charny (Vitaly Charny) | Lawrence County, Alabama, United States | May 31, 2011 | Details | |
| March 20, 2011 | vitaly charny (Vitaly Charny) | Shelby County, Alabama, United States | May 31, 2011 | Details | |
| April 07, 2011 | vitaly charny (Vitaly Charny) | DeKalb County, Alabama, United States | May 31, 2011 | Details | |
| April 09, 2011 | vitaly charny (Vitaly Charny) | Shelby County, Alabama, United States | May 31, 2011 | Details | |
| April 10, 2011 | vitaly charny (Vitaly Charny) | Colbert County, Alabama, United States | May 31, 2011 | Details | |
| April 23, 2011 | vitaly charny (Vitaly Charny) | Bibb County, Alabama, United States | May 31, 2011 | Details | |
| April 24, 2011 | vitaly charny (Vitaly Charny) | Colbert County, Alabama, United States | May 31, 2011 | Details | |
| May 07, 2011 | vitaly charny (Vitaly Charny) | Jefferson County, Alabama, United States | May 31, 2011 | Details | |
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May 20, 2011 | BeaLaporte | Ontario, Canada | May 30, 2011 | Details |
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May 21, 2011 | BeaLaporte | Ontario, Canada | May 30, 2011 | Details |
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May 20, 2011 | filmrobe76 | Ulster County, New York, United States | May 27, 2011 | Details |
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April 29, 2010 | James Fox | Oakland County, Michigan, United States | May 09, 2011 | Details |
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April 24, 2011 | Nancy Weiss | Albemarle County, Virginia, United States | May 07, 2011 | Details |
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May 02, 2011 | K Stilwell | Tazewell County, Virginia, United States | May 07, 2011 | Details |
