Attributes of Erynnis meridianus

Meridian Duskywing
Erynnis meridianus Bell, 1927

Family: Hesperiidae
Subfamily: Pyrginae
Identification: Fringes of hindwing are pale-tipped. Wings are black. Pattern on upperside of forewing has very little contrast with background. Transparent spots are small in the male, large in the female. Underside of hindwing is a uniform brown; spots below apex are very small or absent. Male has a costal fold containing yellow scent scales; female has a patch of scent scales on the 7th abdominal segment.
Wing Span: 1 5/8 - 1 7/8 inches (4.2 - 4.8 cm).
Life History: Males perch on hilltops to wait for females. Fully-grown caterpillars hibernate.
Flight: Two broods from March-September in the Southwest.
Caterpillar Hosts: Arizona white oak (Quercus arizonica) and plateau oak (Q. fusiformis); perhaps others.
Adult Food: Flower nectar.
Habitat: Oak thickets in foothills.
Range: Southern Nevada, Arizona, New Mexico, and west Texas south to Mexico City.
Conservation: Not usually required.
NCGR: G4 - Apparently secure globally, though it might be quite rare in parts of its range, especially at the periphery.
Management Needs: None reported.
Taxonomy Notes:

Images of Erynnis meridianus

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Erynnis meridianus - erynnis_meridianus_caterpillar5a_raisingbutterflies.jpg

Erynnis meridianus - erynnis_meridianus_caterpillar5a_raisingbutterflies.jpg
Erynnis meridianus - erynnis_meridianus_caterpillar5b_raisingbutterflies.jpg

Erynnis meridianus - erynnis_meridianus_caterpillar5b_raisingbutterflies.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
April 01, 2013 Kari Maricopa County, Arizona, United States April 15, 2013 Details
August 04, 2012 aahewetson Crane County, Texas, United States February 08, 2013 Details
March 19, 1972 legacy.reporter (George T. Austin) Clark County, Nevada, United States December 01, 2012 Details
September 19, 1978 legacy.reporter (George T. Austin) Clark County, Nevada, United States December 01, 2012 Details
September 13, 1978 legacy.reporter (C. S. Lawson) Clark County, Nevada, United States December 01, 2012 Details
July 31, 1986 legacy.reporter (Ray Stanford) Cochise County, Arizona, United States December 01, 2012 Details
July 31, 1986 legacy.reporter (Ray Stanford) Cochise County, Arizona, United States December 01, 2012 Details
July 31, 1991 legacy.reporter (Robert Langston) Pima County, Arizona, United States December 01, 2012 Details
March 21, 1978 legacy.reporter (Ray Stanford) Greenlee County, Arizona, United States December 01, 2012 Details
August 04, 2012 carlakish Gila County, Arizona, United States October 12, 2012 Details
September 20, 2008 RaisingButterflies.org Washington County, Utah, United States November 28, 2011 Details
June 24, 2001 Ken Davenport (Ken Davenport) Clark County, Nevada, United States May 01, 2011 Details
May 06, 1979 Ken Davenport (Ken Davenport) Coconino County, Arizona, United States January 01, 2011 Details
July 04, 1984 Ken Davenport (Ken Davenport) Coconino County, Arizona, United States January 01, 2011 Details
June 02, 1985 Ken Davenport (Ken Davenport) Coconino County, Arizona, United States January 01, 2011 Details
June 05, 1985 Ken Davenport (Ken Davenport) Coconino County, Arizona, United States January 01, 2011 Details
August 03, 1988 Ken Davenport (Ken Davenport) Coconino County, Arizona, United States January 01, 2011 Details
August 01, 1988 Ken Davenport (Ken Davenport) Mohave County, Arizona, United States January 01, 2011 Details
October 02, 1988 Ken Davenport (Ken Davenport) Mohave County, Arizona, United States January 01, 2011 Details
August 19, 1997 Ken Davenport (Ken Davenport) Yavapai County, Arizona, United States January 01, 2011 Details
August 19, 1997 Ken Davenport (Ken Davenport) Yavapai County, Arizona, United States January 01, 2011 Details
August 23, 1997 Ken Davenport (Ken Davenport) Yavapai County, Arizona, United States January 01, 2011 Details
June 05, 2011 Ken Davenport (Ken Davenport) Mohave County, Arizona, United States January 01, 2011 Details
June 04, 2011 Ken Davenport (Ken Davenport) Yavapai County, Arizona, United States January 01, 2011 Details
July 27, 2011 Ken Davenport (Ken Davenport) Mohave County, Arizona, United States January 01, 2011 Details
July 21, 2011 Ken Davenport (Ken Davenport) Yavapai County, Arizona, United States January 01, 2011 Details
July 06, 1993 Ken Davenport (Ken Davenport) Coconino County, Arizona, United States January 01, 2011 Details
June 17, 2010 Ken Davenport (Ken Davenport) Mohave County, Arizona, United States December 31, 2010 Details
June 01, 2010 Ken Davenport (Ken Davenport) Mohave County, Arizona, United States December 31, 2010 Details
June 02, 2010 Ken Davenport (Ken Davenport) Coconino County, Arizona, United States December 31, 2010 Details
June 16, 2010 Ken Davenport (Ken Davenport) Coconino County, Arizona, United States December 31, 2010 Details
June 24, 2001 Ken Davenport (Ken Davenport) Clark County, Nevada, United States June 17, 2009 Details
March 21, 1998 legacy.reporter (Ray E. Stanford) Greenlee County, Arizona, United States January 28, 2009 Details
August 26, 1977 legacy.reporter (Kilian Roever) San Bernardino County, California, United States January 07, 2008 Details
January 01, 1950 legacy.reporter Hidalgo County, New Mexico, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Grant County, New Mexico, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Catron County, New Mexico, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Luna County, New Mexico, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Dona Ana County, New Mexico, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Sierra County, New Mexico, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Socorro County, New Mexico, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Torrance County, New Mexico, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Bernalillo County, New Mexico, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Sandoval County, New Mexico, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Harding County, New Mexico, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Lincoln County, New Mexico, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Otero County, New Mexico, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Chaves County, New Mexico, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Eddy County, New Mexico, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Colfax County, New Mexico, United States December 31, 2004 Details