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

Click on an image to view full size and to see additional details.









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)

How to use the map:
Click on the map and move your mouse to pan.
Zoom by using the plus [+] and minus [-] on the left side of the map.
To change which map layers are displayed, click on the plus sign [+] on the right side of the map and turn on/off the data layers and base layers.

*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.

See more recently verified sightings of all species.

You don't have Javascript enabled. Hover for more information! But don't worry: you can still use this web site! You have two options:
  • enable Javascript in your browser and then refresh this page, for a much enhanced experience.
  • click the Update button every time you want to update the selection.
Observation Date Submitter Region Verified Datesort icon
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
September 16, 2016 billwx Garfield County, Oklahoma, United States September 25, 2016 Details
September 19, 2016 Gramercy Hall County, Georgia, United States September 24, 2016 Details
August 09, 2016 geraldswegner Indian River County, Florida, United States September 23, 2016 Details
August 31, 2016 treichard San Diego County, California, United States September 20, 2016 Details
September 16, 2016 Jeff Trahan Hempstead County, Arkansas, United States September 17, 2016 Details
August 30, 2016 treichard San Diego County, California, United States September 16, 2016 Details
July 25, 2016 ncrosbyrd McIntosh County, Georgia, United States September 13, 2016 Details
July 18, 2016 Terry W. Johnson Monroe County, Georgia, United States September 13, 2016 Details
September 13, 2016 RichHubie Mendocino County, California, United States September 13, 2016 Details
September 04, 2016 Doug Bruce Obion County, Tennessee, United States September 12, 2016 Details
July 29, 2016 Christine Stanke Washington County, Wisconsin, United States September 11, 2016 Details
August 18, 2016 jetboulder@aol.com Boulder County, Colorado, United States September 10, 2016 Details
September 07, 2016 Sue Orlowski Lincoln County, Washington, United States September 10, 2016 Details
September 03, 2016 mathgeek Jackson County, Illinois, United States September 09, 2016 Details
September 05, 2016 abwest Bexar County, Texas, United States September 08, 2016 Details
August 17, 2016 Sue Allie Lake County, Florida, United States September 08, 2016 Details
September 05, 2016 Doug Bruce Houston County, Tennessee, United States September 07, 2016 Details
September 03, 2016 Doug Bruce Stewart County, Tennessee, United States September 05, 2016 Details