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)

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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 22, 2017 Ruth Consoli Dauphin County, Pennsylvania, United States April 22, 2017 Details
April 14, 2017 Doug Bruce Henderson County, Tennessee, United States April 15, 2017 Details
April 14, 2017 Joe Bartok Ontario, Canada April 15, 2017 Details
March 21, 2017 Jeff Trahan Vernon Parish, Louisiana, United States April 14, 2017 Details
April 08, 2017 Jeff Trahan Natchitoches Parish, Louisiana, United States April 09, 2017 Details
April 01, 2017 njschulz Dallas County, Texas, United States April 07, 2017 Details
March 27, 2017 inthelikeness Comanche County, Texas, United States March 27, 2017 Details
March 19, 2017 ezeemonee Santa Cruz Island County, California, United States March 20, 2017 Details
March 07, 2017 MAKI Ventura County, California, United States March 13, 2017 Details
March 04, 2017 cosmic_cat Cass County, Texas, United States March 05, 2017 Details
May 24, 2015 JoseBonner Bexar County, Texas, United States February 28, 2017 Details
August 04, 2014 JohnBoback Monongalia County, West Virginia, United States February 28, 2017 Details
February 12, 2017 Jonathan Clark Catahoula Parish, Louisiana, United States February 19, 2017 Details
February 18, 2017 CA Ivy Sebastian County, Arkansas, United States February 18, 2017 Details
May 22, 2015 JoseBonner Chaves County, New Mexico, United States February 13, 2017 Details
July 12, 2012 Christine Stanke Milwaukee County, Wisconsin, United States February 02, 2017 Details
August 14, 2016 CA Ivy (Jon Ivy) Adair County, Oklahoma, United States January 15, 2017 Details
June 02, 2007 ugugusgili Lawrence County, Alabama, United States December 26, 2016 Details
October 02, 2016 CA Ivy Cherokee County, Oklahoma, United States December 07, 2016 Details
October 09, 2016 CA Ivy Tulsa County, Oklahoma, United States December 07, 2016 Details
October 11, 2016 CA Ivy Sebastian County, Arkansas, United States December 07, 2016 Details
October 07, 2016 cosmic_cat Harrison County, Texas, United States November 20, 2016 Details
September 17, 2016 Doug Bruce Blount County, Tennessee, United States November 13, 2016 Details
October 15, 2016 ezeemonee St Marys County, Maryland, United States October 31, 2016 Details
October 29, 2016 Geerda van Nunen Cook County, Illinois, United States October 31, 2016 Details
August 22, 2016 jtylerbell Anne Arundel County, Maryland, United States October 29, 2016 Details
October 29, 2016 whbauer Bexar County, Texas, United States October 29, 2016 Details
October 21, 2016 gpstewart Texas, McCulloch County, United States October 27, 2016 Details
June 29, 2015 anna_holmes Madison County, Alabama, United States October 26, 2016 Details
October 07, 2015 Tommie Rogers Mobile County, Alabama, United States October 26, 2016 Details
August 19, 2016 trinectes Anne Arundel County, Maryland, United States October 26, 2016 Details
August 18, 2016 laurimeyers Passaic County, New Jersey, United States October 17, 2016 Details
October 15, 2016 billwx Garfield County, Oklahoma, United States October 17, 2016 Details
October 15, 2016 billwx Garfield County, Oklahoma, United States October 17, 2016 Details
October 15, 2016 Carol Thornton-Anderson Orange County, Indiana, United States October 16, 2016 Details
October 06, 2016 Robert Slaton Clark County, Indiana, United States October 10, 2016 Details
October 07, 2016 Jeff Trahan Little River County, Arkansas, United States October 08, 2016 Details
October 07, 2016 Jeff Trahan Little River County, Arkansas, United States October 08, 2016 Details
October 01, 2016 billwx Garfield County, Oklahoma, United States October 07, 2016 Details
October 02, 2016 billwx Garfield County, Oklahoma, United States October 07, 2016 Details
October 02, 2016 billwx Garfield County, Oklahoma, United States October 07, 2016 Details
September 13, 2016 JimPurvis Tipton County, Indiana, United States October 05, 2016 Details
October 01, 2016 cosmic_cat McCurtain County, Oklahoma, United States October 03, 2016 Details
September 10, 2016 Joanne Finch Santa Cruz County, Arizona, United States September 29, 2016 Details
September 21, 2016 ButterBelle Putnam County, Tennessee, United States September 26, 2016 Details
September 23, 2016 Jeff Trahan Hempstead County, Arkansas, United States September 26, 2016 Details
August 28, 2016 billwx Garfield County, Oklahoma, United States September 25, 2016 Details
September 05, 2016 billwx Garfield County, Oklahoma, United States September 25, 2016 Details
September 11, 2016 billwx Garfield County, Oklahoma, United States September 25, 2016 Details
September 14, 2016 billwx Garfield County, Oklahoma, United States September 25, 2016 Details