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:

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The map below displays all BAMONA data for this species and has three different data layers:
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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 12, 2014 Brett Budach Geary County, Kansas, United States April 23, 2014 Details
June 03, 2013 curtis.lehman Pocahontas County, West Virginia, United States March 26, 2014 Details
May 18, 2013 Tommie Rogers San Juan County, Utah, United States October 26, 2013 Details
May 06, 2013 cyric Washington County, Rhode Island, United States July 12, 2013 Details
May 04, 2008 Howell Curtis Harrison County, Indiana, United States June 10, 2013 Details
April 27, 2013 brepa72 Berks County, Pennsylvania, United States May 29, 2013 Details
May 21, 2013 HHowell Campbell County, Tennessee, United States May 29, 2013 Details
May 15, 2013 Dave Kinney Wexford County, Michigan, United States May 21, 2013 Details
May 19, 2013 Dave Kinney Wexford County, Michigan, United States May 21, 2013 Details
April 21, 2013 rconnorsphoto Davidson County, Tennessee, United States April 23, 2013 Details
April 16, 2013 HHowell Houston County, Tennessee, United States April 22, 2013 Details
March 30, 2013 anaeamark Indian River County, Florida, United States April 17, 2013 Details
April 03, 2011 rseidler Claiborne Parish, Louisiana, United States April 16, 2013 Details
April 13, 2013 Brett Budach Benton County, Missouri, United States April 15, 2013 Details
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
April 28, 2006 cheins Washburn County, Wisconsin, United States August 14, 2012 Details
March 10, 2007 Howell Curtis Scott County, Indiana, United States August 08, 2012 Details
April 13, 2012 adamschaffer Benton County, Arkansas, United States July 29, 2012 Details
May 19, 2012 Cheryl Jennings Berkeley County, West Virginia, United States May 23, 2012 Details
May 11, 2012 Cheryl Jennings Tucker County, West Virginia, United States May 19, 2012 Details
April 03, 2012 James Fox Virginia, United States, Warren County May 17, 2012 Details
April 15, 2012 HHowell Unicoi County, Tennessee, United States May 10, 2012 Details
March 24, 2012 yelpurr Grant County, West Virginia, United States April 25, 2012 Details
April 15, 2012 curtis.lehman (Rory Bower) Mifflin County, Pennsylvania, United States April 18, 2012 Details
April 07, 2012 Cheryl Jennings Hampshire County, West Virginia, United States April 11, 2012 Details
April 07, 2012 Cheryl Jennings Hampshire County, West Virginia, United States April 11, 2012 Details