Attributes of Strymon melinus

Gray Hairstreak
Strymon melinus (Hübner, 1818)

Family: Lycaenidae
Subfamily: Theclinae
Identification: One tail on hindwing. Upperside blue-gray with large red spot near tail. Underside of spring/fall form is dark gray, summer form is paler gray. Relatively straight postmedian line is white, bordered with orange on the inside edge.
Wing Span: 7/8 - 1 3/8 inches (2.2 - 3.5 cm).
Life History: Males perch all afternoon on small trees and shrubs to seek receptive females. Eggs are laid singly on flowers of host plant. Young caterpillars feed on flowers and fruits; older ones may eat leaves. Chrysalids hibernate.
Flight: Two flights from May-September in the north, three-four flights from February-November in the south.
Caterpillar Hosts: Flowers and fruits from an almost endless variety of plants; most often from pea (Fabaceae) and mallow (Malvaceae) families including beans (Phaseolus), clovers (Trifolium), cotton (Gossypium), and mallow (Malva).
Adult Food: Nectar from many flower species including dogbane, milkweed, mint, winter cress, goldenrod, tick trefoil, and white sweet clover.
Habitat: Open, nonforested sites; common in disturbed, weedy areas.
Range: Throughout continental United States from southern Canada south to Mexico; southward to Venezuela. Comments: The most widespread hairstreak in North America.
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: Caterpillars may cause economic damage to bean and cotton crops.
Taxonomy Notes:

Images of Strymon melinus

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Strymon melinus - strymon_melinus_franki_caterpillar_b_raisingbutteflies.jpg

Strymon melinus - strymon_melinus_franki_caterpillar_b_raisingbutteflies.jpg
Strymon melinus - Grayhairstreakcrop2.jpg

Strymon melinus - Grayhairstreakcrop2.jpg
Strymon melinus - strymon_melinus_franki_caterpillar_a_raisingbutteflies.jpg

Strymon melinus - strymon_melinus_franki_caterpillar_a_raisingbutteflies.jpg
Strymon melinus - strymon_melinuscat90107c.jpg

Strymon melinus - strymon_melinuscat90107c.jpg
Strymon melinus - GrayHairstreak-Simons.jpg

Strymon melinus - GrayHairstreak-Simons.jpg
Strymon melinus - strymon_melinus91805c.jpg

Strymon melinus - strymon_melinus91805c.jpg
Strymon melinus - Strymon_melinus.jpg

Strymon melinus - Strymon_melinus.jpg
Strymon melinus - Strymon_melinusSanders.jpg

Strymon melinus - Strymon_melinusSanders.jpg
Strymon melinus - Strymon_melinusSanders2.jpg

Strymon melinus - Strymon_melinusSanders2.jpg
Strymon melinus - GrayHairstreak_small.jpg

Strymon melinus - GrayHairstreak_small.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
July 10, 2014 cblazo Franklin County, Pennsylvania, United States July 30, 2014 Details
July 25, 2014 MAKI Ventura County, California, United States July 30, 2014 Details
October 06, 2013 adamschaffer Tulsa County, Oklahoma, United States July 30, 2014 Details
August 31, 2008 doris potter Cochise County, Arizona, United States July 28, 2014 Details
July 24, 2014 RMichaelson Bexar County, Texas, United States July 25, 2014 Details
July 19, 2014 hiker96 Platte County, Missouri, United States July 22, 2014 Details
May 15, 2014 Lisa Nicholas Dallas County, Texas, United States July 21, 2014 Details
March 31, 2014 Lisa Nicholas Dallas County, Texas, United States July 21, 2014 Details
July 15, 2014 adoug014 Portsmouth City County, Virginia, United States July 20, 2014 Details
July 11, 2014 plex1ppus Stevens County, Washington, United States July 15, 2014 Details
July 08, 2014 shakespearenut Los Angeles County, California, United States July 14, 2014 Details
July 10, 2014 cstarriv San Joaquin County, California, United States July 14, 2014 Details
August 31, 2013 AngelaCoco Luzerne County, Pennsylvania, United States July 10, 2014 Details
July 04, 2014 ezeemonee Ventura County, California, United States July 07, 2014 Details
July 06, 2014 JayRudin Yolo County, California, United States July 07, 2014 Details
June 25, 2014 Bixia Santa Clara County, California, United States July 07, 2014 Details
September 11, 2011 julmast Elkhart County, Indiana, United States July 05, 2014 Details
June 30, 2014 CA Ivy Sebastian County, Arkansas, United States July 01, 2014 Details
June 29, 2014 karin_k Ventura County, California, United States June 30, 2014 Details
June 21, 2014 JDreimiller Snohomish County, Washington, United States June 23, 2014 Details
September 01, 2005 giardini57 Elbert County, Georgia, United States June 22, 2014 Details
June 19, 2014 annhsatt Polk County, Florida, United States June 20, 2014 Details
June 08, 2014 John Wilson Socorro County, New Mexico, United States June 15, 2014 Details
June 11, 2014 sarahlowe427 San Bernardino County, California, United States June 14, 2014 Details
June 11, 2014 ezeemonee Ventura County, California, United States June 14, 2014 Details
May 11, 2014 ddodd Texas, United States, Val Verde County June 09, 2014 Details
May 23, 2014 Moth Leumas Solano County, California, United States May 26, 2014 Details
May 24, 2014 krancmm Brazoria County, Texas, United States May 26, 2014 Details
May 15, 2014 ddodd Brewster County, Texas, United States May 21, 2014 Details
May 19, 2014 Kimberly Mrozinski Berkeley County, South Carolina, United States May 21, 2014 Details
May 09, 2014 treehugger_007 Lake County, Ohio, United States May 15, 2014 Details
May 11, 2014 skywatcher British Columbia, Canada May 14, 2014 Details
May 06, 2014 hiker96 Logan County, Arkansas, United States May 09, 2014 Details
April 29, 2014 krancmm Brazoria County, Texas, United States May 08, 2014 Details
May 02, 2014 davidwdroppers Grant County, Washington, United States May 04, 2014 Details
May 02, 2014 inthelikeness Comanche County, Texas, United States May 02, 2014 Details
April 28, 2014 Chip Krilowicz Gloucester County, New Jersey, United States April 28, 2014 Details
April 26, 2014 CA Ivy Sebastian County, Arkansas, United States April 26, 2014 Details
April 13, 2014 randimal Thurston County, Washington, United States April 20, 2014 Details
March 27, 2014 Greylan Collin County, Texas, United States April 15, 2014 Details
September 29, 2013 Airedoc Brunswick County, North Carolina, United States April 08, 2014 Details
April 03, 2014 Donna Menke Caldwell County, Texas, United States April 04, 2014 Details
July 30, 2013 stormyeyes99 Middlesex County, New Jersey, United States March 24, 2014 Details
September 04, 2012 rosenthal.k Fairfax County, Virginia, United States March 16, 2014 Details
September 08, 2013 digginflowers Cape May County, New Jersey, United States February 23, 2014 Details
August 16, 2009 rosenthal.k Adams County, Colorado, United States February 15, 2014 Details
October 26, 2013 Terry W. Johnson Monroe County, Georgia, United States February 14, 2014 Details
February 07, 2014 Robert Gorman Orange County, California, United States February 07, 2014 Details
January 17, 2014 Robert Gorman Orange County, California, United States January 23, 2014 Details
January 21, 2014 Robert Gorman Orange County, California, United States January 23, 2014 Details