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
May 17, 2016 Dianacarreon Bexar County, Texas, United States August 27, 2016 Details
August 27, 2016 topmarmot Harris County, Texas, United States August 27, 2016 Details
August 04, 2016 Sue Orlowski Whitman County, Washington, United States August 24, 2016 Details
August 19, 2016 digginflowers Lancaster County, Pennsylvania, United States August 19, 2016 Details
July 20, 2016 Sue Orlowski Lincoln County, Washington, United States August 18, 2016 Details
August 03, 2016 Sue Orlowski Lincoln County, Washington, United States August 18, 2016 Details
August 13, 2016 shastamax Siskiyou County, California, United States August 16, 2016 Details
August 13, 2016 Melinda Fawver Overton County, Tennessee, United States August 15, 2016 Details
July 27, 2016 rdhealy1951@aol.com Hart County, Kentucky, United States August 15, 2016 Details
August 13, 2016 elegrand Putnam County, Tennessee, United States August 15, 2016 Details
August 12, 2016 breck7348 San Joaquin County, California, United States August 12, 2016 Details
August 05, 2016 curtis.lehman Allegheny County, Pennsylvania, United States August 09, 2016 Details
August 07, 2016 gunhilda Payne County, Oklahoma, United States August 07, 2016 Details
August 03, 2016 ButterBelle Putnam County, Tennessee, United States August 04, 2016 Details
August 01, 2016 SMulhearn Contra Costa County, California, United States August 03, 2016 Details
July 31, 2016 Joe Bartok Ontario, Canada August 01, 2016 Details
July 06, 2016 ncrosbyrd Los Angeles County, California, United States July 31, 2016 Details
July 17, 2016 John LeBlanc Chesterfield County, Virginia, United States July 30, 2016 Details
July 24, 2016 Jonathan Clark Concordia Parish, Louisiana, United States July 28, 2016 Details
June 08, 2016 gpstewart Texas, United States, Williamson County July 28, 2016 Details
July 12, 2016 Paul Smith Worcester County, Massachusetts, United States July 27, 2016 Details
July 24, 2016 mellielong Lincoln County, West Virginia, United States July 25, 2016 Details
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