Attributes of Erynnis brizo
Sleepy Duskywing
Erynnis brizo (Boisduval & Leconte, [1837])
Family: Hesperiidae
Subfamily: Pyrginae
Identification: Antennal clubs are blunt. Upperside brown; forewing with 2 wide gray bands and no transparent spots. 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 3/4 inches (3.2 - 4.5 cm).
Life History: To seek females, males perch in clearings and on hilltops throughout the day. Patrolling around the host plants occurs when there is a high density of males. Females deposit single eggs on young leaves or leaf buds of the host plants. Caterpillars feed on leaves and rest in leaf shelters; fully-grown caterpillars hibernate.
Flight: One brood; from January-May in Florida and Texas, from March-June in the rest of the range.
Caterpillar Hosts: Scrub oak (Quercus ilicifolia) and other shrubby oaks.
Adult Food: Nectar from flowers of heaths (Ericaceae) including wild azalea and blueberry; also blackberry and dandelion.
Habitat: Oak or oak-pine scrub, chaparral, barrens; on well-drained sandy or shaly soils.
Range: In the west from California east to Utah and southern Wyoming; south through the mountains to Arizona, New Mexico, Baja California Norte and central Mexico. In the east from Manitoba south through southern Ontario and the eastern United States to central Florida, the Gulf Coast, and central Texas.
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 brizo
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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 400 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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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.
| Observation Date | Submitter | Region |
Verified Date |
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|---|---|---|---|---|---|
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May 04, 2008 | Howell Curtis | Harrison County, Indiana, United States | June 10, 2013 | Details |
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April 27, 2013 | brepa72 | Berks County, Pennsylvania, United States | May 29, 2013 | Details |
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May 21, 2013 | HHowell | Campbell County, Tennessee, United States | May 29, 2013 | Details |
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May 15, 2013 | Dave Kinney | Wexford County, Michigan, United States | May 21, 2013 | Details |
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May 19, 2013 | Dave Kinney | Wexford County, Michigan, United States | May 21, 2013 | Details |
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April 21, 2013 | rconnorsphoto | Davidson County, Tennessee, United States | April 23, 2013 | Details |
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April 16, 2013 | HHowell | Houston County, Tennessee, United States | April 22, 2013 | Details |
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March 30, 2013 | anaeamark | Indian River County, Florida, United States | April 17, 2013 | Details |
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April 03, 2011 | rseidler | Claiborne Parish, Louisiana, United States | April 16, 2013 | Details |
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April 13, 2013 | Brett Budach | Benton County, Missouri, United States | April 15, 2013 | Details |
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April 10, 2012 | adamschaffer | Madison County, Arkansas, United States | December 29, 2012 | Details |
| March 23, 1977 | legacy.reporter (George T. Austin) | Clark County, Nevada, United States | December 01, 2012 | Details | |
| March 23, 1977 | legacy.reporter (George T. Austin) | Clark County, Nevada, United States | December 01, 2012 | Details | |
| April 20, 1977 | legacy.reporter (George T. Austin) | Clark County, Nevada, United States | December 01, 2012 | Details | |
| April 08, 1979 | legacy.reporter (George T. Austin) | Clark County, Nevada, United States | December 01, 2012 | Details | |
| April 14, 1977 | legacy.reporter (George T. Austin) | Clark County, Nevada, United States | December 01, 2012 | Details | |
| May 10, 1978 | legacy.reporter (George T. Austin) | Clark County, Nevada, United States | December 01, 2012 | Details | |
| April 21, 1979 | legacy.reporter (George T. Austin) | Clark County, Nevada, United States | December 01, 2012 | Details | |
| April 22, 1979 | legacy.reporter (George T. Austin) | Clark County, Nevada, United States | December 01, 2012 | Details | |
| April 27, 1977 | legacy.reporter (George T. Austin) | Clark County, Nevada, United States | December 01, 2012 | Details | |
| May 25, 1978 | legacy.reporter (George T. Austin) | Clark County, Nevada, United States | December 01, 2012 | Details | |
| April 27, 1977 | legacy.reporter (George T. Austin) | Clark County, Nevada, United States | December 01, 2012 | Details | |
| May 25, 1978 | legacy.reporter (George T. Austin) | Clark County, Nevada, United States | December 01, 2012 | Details | |
| April 28, 1975 | legacy.reporter (George T. Austin) | Clark County, Nevada, United States | December 01, 2012 | Details | |
| May 01, 1971 | legacy.reporter (George T. Austin) | Clark County, Nevada, United States | December 01, 2012 | Details | |
| May 02, 1977 | legacy.reporter (George T. Austin) | Clark County, Nevada, United States | December 01, 2012 | Details | |
| April 19, 1996 | legacy.reporter (Ray Stanford) | Navajo County, Arizona, United States | December 01, 2012 | Details | |
| March 21, 1998 | legacy.reporter (Ray Stanford) | Greenlee County, Arizona, United States | December 01, 2012 | Details | |
| March 06, 2012 | vitaly charny (Vitaly Charny) | Bibb County, Alabama, United States | December 01, 2012 | Details | |
| March 07, 2012 | vitaly charny (Vitaly Charny) | Monroe County, Alabama, United States | December 01, 2012 | Details | |
| March 18, 2012 | vitaly charny (Vitaly Charny) | Colbert County, Alabama, United States | December 01, 2012 | Details | |
| March 24, 2012 | vitaly charny (Vitaly Charny) | Shelby County, Alabama, United States | December 01, 2012 | Details | |
| March 25, 2012 | vitaly charny (Vitaly Charny) | Cleburne County, Alabama, United States | December 01, 2012 | Details | |
| March 31, 2012 | vitaly charny (Vitaly Charny) | Bibb County, Alabama, United States | December 01, 2012 | Details | |
| April 01, 2012 | vitaly charny (Vitaly Charny) | Cleburne County, Alabama, United States | December 01, 2012 | Details | |
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April 28, 2006 | cheins | Washburn County, Wisconsin, United States | August 14, 2012 | Details |
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March 10, 2007 | Howell Curtis | Scott County, Indiana, United States | August 08, 2012 | Details |
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April 13, 2012 | adamschaffer | Benton County, Arkansas, United States | July 29, 2012 | Details |
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May 19, 2012 | Cheryl Jennings | Berkeley County, West Virginia, United States | May 23, 2012 | Details |
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May 11, 2012 | Cheryl Jennings | Tucker County, West Virginia, United States | May 19, 2012 | Details |
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April 03, 2012 | James Fox | Virginia, United States, Warren County | May 17, 2012 | Details |
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April 15, 2012 | HHowell | Unicoi County, Tennessee, United States | May 10, 2012 | Details |
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March 24, 2012 | yelpurr | Grant County, West Virginia, United States | April 25, 2012 | Details |
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April 15, 2012 | curtis.lehman (Rory Bower) | Mifflin County, Pennsylvania, United States | April 18, 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 02, 2012 | curtis.lehman (Marge Van Tassel) | Armstrong County, Pennsylvania, United States | April 09, 2012 | Details |
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April 06, 2012 | Jim Dolan | Columbiana County, Ohio, United States | April 07, 2012 | Details |
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April 01, 2012 | Julius | Monroe County, Tennessee, United States | April 05, 2012 | Details |
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April 03, 2011 | rseidler | Claiborne Parish, Louisiana, United States | March 27, 2012 | Details |
