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:
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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
August 08, 2014 polson123 New Hanover County, North Carolina, United States September 26, 2014 Details
September 15, 2014 mathgeek Jackson County, Illinois, United States September 22, 2014 Details
May 09, 2014 treehugger_007 Lake County, Ohio, United States September 22, 2014 Details
September 19, 2014 arcturusangel Bossier Parish, Louisiana, United States September 21, 2014 Details
September 08, 2014 mathgeek Jackson County, Illinois, United States September 17, 2014 Details
September 10, 2014 tferragut Sussex County, Delaware, United States September 14, 2014 Details
July 15, 2014 patricia silvernail Jackson County, Georgia, United States September 10, 2014 Details
July 17, 2014 patricia silvernail Jackson County, Georgia, United States September 10, 2014 Details
September 02, 2014 Doug Bruce Bedford County, Tennessee, United States September 08, 2014 Details
September 03, 2014 Doug Bruce Lake County, Tennessee, United States September 08, 2014 Details
September 01, 2014 KristyBaker White County, Tennessee, United States September 06, 2014 Details
September 03, 2014 Eva Wells Fayette County, Kentucky, United States September 05, 2014 Details
September 03, 2014 krancmm Brazoria County, Texas, United States September 04, 2014 Details
September 01, 2014 CA Ivy Sebastian County, Arkansas, United States September 01, 2014 Details
August 21, 2014 Ralph S. Carlson Los Angeles County, California, United States August 29, 2014 Details
August 22, 2014 krancmm Brazoria County, Texas, United States August 24, 2014 Details
August 16, 2014 Doug Bruce Overton County, Tennessee, United States August 22, 2014 Details
August 04, 2014 Pamela D. Fisher Kent County, Delaware, United States August 16, 2014 Details
August 07, 2014 D_narango New Castle County, Delaware, United States August 16, 2014 Details
August 15, 2014 treichard Page County, Virginia, United States August 16, 2014 Details
August 12, 2014 krancmm Brazoria County, Texas, United States August 14, 2014 Details
November 15, 2013 Redheart Canyonlands Bandera County, Texas, United States August 14, 2014 Details
August 10, 2014 melina staal Mariposa County, California, United States August 11, 2014 Details
August 07, 2014 mcjw13 Delaware County, Pennsylvania, United States August 09, 2014 Details
July 29, 2014 krancmm Brazoria County, Texas, United States August 04, 2014 Details
August 02, 2014 arcturusangel Harrison County, Texas, United States August 04, 2014 Details
August 02, 2014 grayhairstreak New Castle County, Delaware, United States August 02, 2014 Details
July 27, 2014 John Wilson Socorro County, New Mexico, United States July 31, 2014 Details
July 26, 2014 Sheryl Johnson Barnstable County, Massachusetts, United States July 31, 2014 Details
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@gmail.com 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