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)

There are also three base layers: 1. Satellite    2. Normal   3. Hybrid

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
August 01, 2015 PONYRCR Los Angeles County, California, United States August 02, 2015 Details
August 01, 2015 CA Ivy Washington County, Arkansas, United States August 02, 2015 Details
May 09, 2015 lostpineslife Bastrop County, Texas, United States August 01, 2015 Details
June 30, 2015 N Weasel Santa Clara County, California, United States July 28, 2015 Details
July 24, 2015 Nancy Asquith Alameda County, California, United States July 28, 2015 Details
July 25, 2015 gunhilda Payne County, Oklahoma, United States July 27, 2015 Details
May 30, 2015 Ron Smith Pinellas County, Florida, United States July 26, 2015 Details
July 23, 2015 JDreimiller Snohomish County, Washington, United States July 24, 2015 Details
July 09, 2015 billwx Garfield County, Oklahoma, United States July 23, 2015 Details
July 18, 2015 Doug Bruce Clay County, Tennessee, United States July 20, 2015 Details
July 18, 2015 cowbug3 Jackson County, Oregon, United States July 19, 2015 Details
July 18, 2015 stephen stedman Pickett County, Tennessee, United States July 19, 2015 Details
September 23, 2014 mellielong Lincoln County, West Virginia, United States July 18, 2015 Details
September 10, 2014 ncrosbyrd McIntosh County, Georgia, United States July 16, 2015 Details
July 06, 2015 Sue Orlowski Lincoln County, Washington, United States July 15, 2015 Details
July 11, 2015 Selwyn Quan Santa Clara County, California, United States July 14, 2015 Details
July 02, 2015 Sue Orlowski Spokane County, Washington, United States July 11, 2015 Details
July 05, 2015 Sue Orlowski Lincoln County, Washington, United States July 11, 2015 Details
July 05, 2015 Sue Orlowski Lincoln County, Washington, United States July 11, 2015 Details
June 14, 2015 John Wilson Socorro County, New Mexico, United States July 10, 2015 Details
July 09, 2015 CA Ivy Sebastian County, Arkansas, United States July 10, 2015 Details
July 07, 2015 Mzteachuh San Bernardino County, California, United States July 09, 2015 Details
July 03, 2015 gerryanimator Beaver County, Pennsylvania, United States July 06, 2015 Details
July 03, 2015 cblazo Franklin County, Pennsylvania, United States July 04, 2015 Details
June 29, 2015 South Laurel Laurel County, Kentucky, United States July 02, 2015 Details
July 02, 2015 ezeemonee Santa Barbara County, California, United States July 02, 2015 Details
June 28, 2015 ezeemonee Ventura County, California, United States July 01, 2015 Details
June 16, 2015 EarlyDawnPhotography Grant County, Kentucky, United States June 30, 2015 Details
June 29, 2015 froghavenfarm Hickman County, Tennessee, United States June 30, 2015 Details
June 26, 2015 cycad97 Kern County, California, United States June 26, 2015 Details
June 24, 2015 N Weasel Santa Clara County, California, United States June 24, 2015 Details
September 14, 2013 ncrosbyrd Murray County, Georgia, United States June 23, 2015 Details
May 03, 2015 ncrosbyrd McIntosh County, Georgia, United States June 22, 2015 Details
May 08, 2015 ncrosbyrd McIntosh County, Georgia, United States June 22, 2015 Details
September 17, 2011 Pierre Howard Douglas County, Georgia, United States June 22, 2015 Details
June 21, 2015 dirb72 Multnomah County, Oregon, United States June 21, 2015 Details
June 18, 2015 cahill@graysoncable.com Grayson County, Texas, United States June 20, 2015 Details
June 15, 2015 Lepidoptera_Lover Texas, Tarrant County, United States June 15, 2015 Details
June 15, 2015 Jeff Trahan Rapides Parish, Louisiana, United States June 15, 2015 Details
June 12, 2015 ezeemonee Santa Clara County, California, United States June 13, 2015 Details
June 12, 2015 PJNosler Jackson County, Oregon, United States June 13, 2015 Details
May 28, 2015 John Wilson Socorro County, New Mexico, United States June 10, 2015 Details
June 06, 2015 TSims Lancaster County, Pennsylvania, United States June 06, 2015 Details
June 04, 2015 N Weasel Santa Clara County, California, United States June 05, 2015 Details
May 27, 2015 CA Ivy Sebastian County, Arkansas, United States May 28, 2015 Details
May 01, 2015 mbowling Jeff Davis County, Texas, United States May 17, 2015 Details
December 23, 2014 Nancy Asquith Santa Cruz County, California, United States May 16, 2015 Details
May 02, 2015 opiliones Clark County, Nevada, United States May 15, 2015 Details
May 07, 2015 John Wilson Socorro County, New Mexico, United States May 10, 2015 Details
April 15, 2015 cyric Martin County, Florida, United States May 06, 2015 Details