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
July 16, 2016 hunter58 Hernando County, Florida, United States July 19, 2016 Details
July 17, 2016 PONYRCR Los Angeles County, California, United States July 18, 2016 Details
July 16, 2016 Doug Bruce Roane County, Tennessee, United States July 17, 2016 Details
June 29, 2016 mathgeek Jackson County, Illinois, United States July 11, 2016 Details
July 10, 2016 joep01 Allegheny County, Pennsylvania, United States July 10, 2016 Details
July 08, 2016 Jeff Trahan Jackson Parish, Louisiana, United States July 09, 2016 Details
May 30, 2016 cosmic_cat Texas, United States, Wood County July 08, 2016 Details
June 13, 2016 wjshawiii Greene County, Virginia, United States July 08, 2016 Details
July 02, 2016 billwx Garfield County, Oklahoma, United States July 08, 2016 Details
July 02, 2016 billwx Garfield County, Oklahoma, United States July 08, 2016 Details
July 03, 2016 billwx Garfield County, Oklahoma, United States July 08, 2016 Details
July 04, 2016 billwx Garfield County, Oklahoma, United States July 08, 2016 Details
June 22, 2016 Sue Orlowski Spokane County, Washington, United States July 05, 2016 Details
November 09, 2015 ncrosbyrd Hidalgo County, Texas, United States July 04, 2016 Details
July 04, 2016 gunhilda Payne County, Oklahoma, United States July 04, 2016 Details
May 16, 2016 D. Dodd Brewster County, Texas, United States July 02, 2016 Details
July 01, 2016 CA Ivy Sebastian County, Arkansas, United States July 02, 2016 Details
June 16, 2016 John Wilson Socorro County, New Mexico, United States July 01, 2016 Details
June 25, 2016 Susanjumps Harris County, Texas, United States July 01, 2016 Details
August 15, 2015 Bonnie Morrison Howard County, Texas, United States July 01, 2016 Details
June 26, 2016 billwx Garfield County, Oklahoma, United States June 30, 2016 Details
June 25, 2016 billwx Garfield County, Oklahoma, United States June 28, 2016 Details
June 25, 2016 Mzteachuh San Bernardino County, California, United States June 26, 2016 Details
June 19, 2016 billwx Garfield County, Oklahoma, United States June 23, 2016 Details
June 18, 2016 billwx Garfield County, Oklahoma, United States June 23, 2016 Details
June 19, 2016 diwalks2 San Bernardino County, California, United States June 22, 2016 Details
June 11, 2016 Doug Bruce Carter County, Tennessee, United States June 17, 2016 Details
May 29, 2016 billwx Garfield County, Oklahoma, United States June 14, 2016 Details
June 05, 2016 billwx Garfield County, Oklahoma, United States June 14, 2016 Details
June 12, 2016 billwx Garfield County, Oklahoma, United States June 13, 2016 Details
April 30, 2016 billwx Garfield County, Oklahoma, United States June 12, 2016 Details
June 10, 2016 CA Ivy Sebastian County, Arkansas, United States June 12, 2016 Details
June 06, 2016 Mzteachuh San Bernardino County, California, United States June 08, 2016 Details
May 21, 2011 yardbird Cumberland County, New Jersey, United States June 07, 2016 Details
June 04, 2016 CA Ivy Sebastian County, Arkansas, United States June 07, 2016 Details
May 29, 2016 Jonathan Clark La Salle Parish, Louisiana, United States June 05, 2016 Details
May 30, 2016 Doug Bruce Obion County, Tennessee, United States June 02, 2016 Details
May 31, 2016 cblazo Franklin County, Pennsylvania, United States June 01, 2016 Details
May 31, 2016 CA Ivy Sebastian County, Arkansas, United States May 31, 2016 Details
May 27, 2016 billwx Garfield County, Oklahoma, United States May 28, 2016 Details
May 27, 2016 billwx Garfield County, Oklahoma, United States May 28, 2016 Details
May 27, 2016 ezeemonee Ventura County, California, United States May 28, 2016 Details
May 24, 2016 Christine Mooney Volusia County, Florida, United States May 25, 2016 Details
May 21, 2016 hiker96 Douglas County, Kansas, United States May 24, 2016 Details
May 16, 2016 ezeemonee Ventura County, California, United States May 22, 2016 Details
May 04, 2016 Sue Orlowski Spokane County, Washington, United States May 19, 2016 Details
May 04, 2016 ncrosbyrd Wakulla County, Florida, United States May 18, 2016 Details
April 28, 2016 randimal Kittitas County, Washington, United States May 15, 2016 Details
May 09, 2016 jim.odonater Tillamook County, Oregon, United States May 14, 2016 Details
May 13, 2016 JDreimiller Snohomish County, Washington, United States May 14, 2016 Details