Attributes of Brephidium exilis

Western Pygmy-Blue
Brephidium exilis (Boisduval, 1852)

Family: Lycaenidae
Subfamily: Polyommatinae
Identification: Tiny. Upperside copper brown with dull blue at the bases of both wings. Underside of hindwing is copper brown with white at the base; fringe mostly white; 3 small black spots near base; row of black spots at outer margin.
Wing Span: 1/2 - 3/4 inch (1.2 - 2 cm).
Life History: Males patrol over the host plants all day to find receptive females. Females lay eggs all over the host but particularly on the uppersides of leaves. Caterpillars eat all parts of the plant. Chrysalids hibernate.
Flight: July-September in the north, all year in South Texas.
Caterpillar Hosts: Pigweed (Chenopodium album), saltbush species (Atriplex), and others in the goosefoot family (Chenopodiaceae).
Adult Food: Flower nectar.
Habitat: Alkaline areas such as deserts, salt marshes, and wasteland.
Range: Common. Central California east to southern Nevada, central Arizona, central New Mexico, and west Texas. South through southern California, Baja California, and Mexico to Venezuela. Migrates to Arkansas, Nebraska, and Oregon.
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: None reported.
Taxonomy Notes:

Images of Brephidium exilis

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







Brephidium exilis - Brephidium-Exilis-Darin-L-Ungerman-1Crop.jpg

Brephidium exilis - Brephidium-Exilis-Darin-L-Ungerman-1Crop.jpg

Brephidium exilis - Western_Pygmy-Blue_2008-11-04_01crop_Gary_Jue.jpg

Brephidium exilis - Western_Pygmy-Blue_2008-11-04_01crop_Gary_Jue.jpg
Brephidium exilis - brephidium-exilis-awt-2.jpg

Brephidium exilis - brephidium-exilis-awt-2.jpg
Brephidium exilis - brephidium-exilis-awt-1.jpg

Brephidium exilis - brephidium-exilis-awt-1.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
November 24, 2016 billwx Garfield County, Oklahoma, United States November 25, 2016 Details
November 22, 2016 billwx Garfield County, Oklahoma, United States November 24, 2016 Details
November 16, 2016 Laurie Sheppard Grayson County, Texas, United States November 17, 2016 Details
November 11, 2016 BNickel San Diego County, California, United States November 12, 2016 Details
October 29, 2016 billwx Garfield County, Oklahoma, United States November 09, 2016 Details
October 28, 2016 ezeemonee San Nicolas Island County, California, United States October 31, 2016 Details
October 28, 2016 ezeemonee San Nicolas Island County, California, United States October 31, 2016 Details
July 15, 2015 Bonnie Morrison Howard County, Texas, United States October 28, 2016 Details
October 15, 2016 billwx Garfield County, Oklahoma, United States October 16, 2016 Details
September 29, 2016 sarabseth Solano County, California, United States October 05, 2016 Details
May 29, 2016 randimal Elmore County, Idaho, United States September 20, 2016 Details
September 18, 2016 Mzteachuh San Bernardino County, California, United States September 20, 2016 Details
September 08, 2016 gpstewart Caldwell County, Texas, United States September 10, 2016 Details
October 05, 2013 mamotimo Dona Ana County, New Mexico, United States September 01, 2016 Details
August 17, 2016 Boslwe Pima County, Arizona, United States August 18, 2016 Details
August 07, 2016 yardbird Inyo County, California, United States August 17, 2016 Details
August 08, 2016 wimvdam Santa Barbara County, California, United States August 12, 2016 Details
November 05, 2015 ncrosbyrd Cameron County, Texas, United States August 04, 2016 Details
September 13, 2015 DCLinck Tillman County, Oklahoma, United States July 28, 2016 Details
June 11, 2016 ncrosbyrd Kern County, California, United States July 21, 2016 Details
July 05, 2016 ezeemonee Ventura County, California, United States July 06, 2016 Details
June 12, 2016 John Wilson Socorro County, New Mexico, United States July 01, 2016 Details
May 26, 2016 ezeemonee Santa Barbara County, California, United States May 28, 2016 Details
May 22, 2016 PONYRCR Los Angeles County, California, United States May 24, 2016 Details
April 14, 2016 SaunieInDiego San Diego County, California, United States April 17, 2016 Details
October 01, 2015 John Wilson Socorro County, New Mexico, United States April 01, 2016 Details
March 22, 2016 ezeemonee Santa Barbara County, California, United States March 27, 2016 Details
February 27, 2016 MAKI Ventura County, California, United States February 29, 2016 Details
February 14, 2016 PONYRCR Los Angeles County, California, United States February 15, 2016 Details
October 09, 2015 Scott E. Severs Boulder County, Colorado, United States November 13, 2015 Details
September 24, 2015 Christian.Nunes Boulder County, Colorado, United States November 09, 2015 Details
October 28, 2015 MAKI Santa Barbara County, California, United States November 03, 2015 Details
November 01, 2015 PONYRCR Los Angeles County, California, United States November 02, 2015 Details
November 01, 2015 PONYRCR Los Angeles County, California, United States November 02, 2015 Details
March 23, 2015 SaunieInDiego San Diego County, California, United States November 02, 2015 Details
September 19, 2015 ezeemonee Ventura County, California, United States September 20, 2015 Details
June 06, 2013 Martin and Sara Harris County, Texas, United States September 15, 2015 Details
September 02, 2009 Martin and Sara Chambers County, Texas, United States September 15, 2015 Details
June 16, 2013 Martin and Sara Galveston County, Texas, United States September 15, 2015 Details
September 11, 2015 ezeemonee Santa Barbara County, California, United States September 12, 2015 Details
September 04, 2015 ezeemonee Santa Barbara County, California, United States September 05, 2015 Details
July 12, 2015 Selwyn Quan Santa Clara County, California, United States July 14, 2015 Details
July 03, 2015 John Wilson Socorro County, New Mexico, United States July 10, 2015 Details
October 18, 2014 Nancy Asquith Santa Clara County, California, United States June 24, 2015 Details
May 30, 2015 Sparks7 Yavapai County, Arizona, United States June 12, 2015 Details
November 09, 2014 ncrosbyrd Hidalgo County, Texas, United States May 30, 2015 Details
April 19, 2015 starmans Lincoln County, Nevada, United States April 20, 2015 Details
April 03, 2015 ezeemonee Ventura County, California, United States April 04, 2015 Details
October 03, 2014 Kristie Nelson San Francisco County, California, United States April 01, 2015 Details
March 16, 2015 ezeemonee Santa Barbara County, California, United States March 20, 2015 Details