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 23, 2016 ezeemonee San Nicolas Island County, California, United States April 26, 2016 Details
April 16, 2016 rebeccafm Los Angeles County, California, United States April 26, 2016 Details
April 24, 2016 msteinhelper Bexar County, Texas, United States April 25, 2016 Details
April 21, 2016 ezeemonee San Nicolas Island County, California, United States April 22, 2016 Details
April 21, 2016 ezeemonee San Nicolas Island County, California, United States April 22, 2016 Details
April 17, 2016 PONYRCR Los Angeles County, California, United States April 18, 2016 Details
April 05, 2016 Bill Emch Marathon Key County, Florida, United States April 08, 2016 Details
July 09, 2015 M Kuhlman Missoula County, Montana, United States April 07, 2016 Details
March 23, 2016 RichHubie Mendocino County, California, United States March 24, 2016 Details
March 19, 2016 CA Ivy Sebastian County, Arkansas, United States March 19, 2016 Details
February 25, 2016 KittKatt Los Angeles County, California, United States March 10, 2016 Details
September 24, 2015 digginflowers Cape May County, New Jersey, United States February 29, 2016 Details
June 02, 2015 billwx Garfield County, Oklahoma, United States February 28, 2016 Details
July 08, 2015 billwx Garfield County, Oklahoma, United States February 28, 2016 Details
April 25, 2012 billwx Garfield County, Oklahoma, United States February 27, 2016 Details
May 01, 2012 billwx Garfield County, Oklahoma, United States February 27, 2016 Details
May 25, 2013 billwx Garfield County, Oklahoma, United States February 27, 2016 Details
May 25, 2015 billwx Garfield County, Oklahoma, United States February 27, 2016 Details
May 27, 2015 billwx Garfield County, Oklahoma, United States February 27, 2016 Details
July 12, 2015 Alvinpest Brazoria County, Texas, United States February 24, 2016 Details
February 21, 2016 MAKI Ventura County, California, United States February 24, 2016 Details
September 29, 2010 billwx Garfield County, Oklahoma, United States February 24, 2016 Details
February 14, 2016 PONYRCR Los Angeles County, California, United States February 15, 2016 Details
February 14, 2016 PONYRCR Los Angeles County, California, United States February 15, 2016 Details
January 16, 2016 mellielong Orange County, Florida, United States January 29, 2016 Details
September 19, 2015 underwood.jones Wyandotte County, Kansas, United States January 18, 2016 Details
July 09, 2012 Trailmaker Jefferson County, Ohio, United States January 07, 2016 Details
July 01, 2007 Sue Allie Sumter County, Florida, United States January 06, 2016 Details
November 12, 2010 ozcomomoths Ozark County, Missouri, United States January 05, 2016 Details
August 19, 2015 rob77897@gmail.com Sarasota County, Florida, United States January 04, 2016 Details
September 10, 2013 AJ Trently Lewis County, Tennessee, United States January 01, 2016 Details
August 21, 2015 Josiah Gilbert San Luis Obispo County, California, United States December 30, 2015 Details
July 11, 2015 Josiah Gilbert San Luis Obispo County, California, United States December 29, 2015 Details
March 05, 2015 Josiah Gilbert San Luis Obispo County, California, United States December 17, 2015 Details
July 08, 2015 JeanEvoy Hardee County, Florida, United States December 03, 2015 Details
October 23, 2015 Jonathan Clark La Salle Parish, Louisiana, United States December 03, 2015 Details
July 18, 2015 curtis.lehman Alleghany County, North Carolina, United States November 25, 2015 Details
November 09, 2015 Martin and Sara Chambers County, Texas, United States November 12, 2015 Details
November 08, 2015 PONYRCR Los Angeles County, California, United States November 09, 2015 Details
April 09, 2015 SaunieInDiego San Diego County, California, United States November 02, 2015 Details
June 02, 2015 RobinA Suffolk County, New York, United States October 25, 2015 Details
October 17, 2015 hsessing Cleveland County, Oklahoma, United States October 17, 2015 Details
October 09, 2015 Doug Bruce Tipton County, Tennessee, United States October 12, 2015 Details
October 01, 2015 MAKI San Diego County, California, United States October 12, 2015 Details
October 10, 2015 gunhilda Payne County, Oklahoma, United States October 11, 2015 Details
September 05, 2015 roseanna Pulaski County, Kentucky, United States October 09, 2015 Details
September 20, 2015 PONYRCR Los Angeles County, California, United States October 08, 2015 Details
July 19, 2015 grayhairstreak New Castle County, Delaware, United States October 02, 2015 Details
September 28, 2015 trinectes Anne Arundel County, Maryland, United States October 02, 2015 Details
September 20, 2015 Selwyn Quan Santa Clara County, California, United States September 23, 2015 Details