Attributes of Pontia beckerii

Becker's White
Pontia beckerii (W.H. Edwards, 1871)

Family: Pieridae
Subfamily: Pierinae
Identification: Upperside of both male and female is white, with black spots near tip of forewing. Inside the forewing cell is a square black bar with a curved white center. The underside of the hindwing of both sexes has wide green edging along the veins, confined by a white median band.
Wing Span: 1 5/8 - 2 inches (4 - 5 cm).
Life History: Males patrol ravines in search of females. Females lay eggs singly on host stems, buds, leaves, flowers, and fruits.
Flight: Several flights from March-October.
Caterpillar Hosts: Plants of mustard (Brassicaceae) family including mustards (Brassica), and hedge mustard (Sisymbrium) species; and bladder-pod (Isomeris arborea) in the caper family (Capparidaceae).
Adult Food: Flower nectar including hedge mustard and alfalfa.
Habitat: Arid brushlands, desert foothills and canyons, fields.
Range: British Columbia and Alberta south to Baja California; east of the Cascades and Sierra Nevada, east and south to western Montana and New Mexico.
Conservation: Not required.
NCGR: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.
Management Needs: None required.
Taxonomy Notes:

Images of Pontia beckerii

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Pontia beckerii - 52085.jpg

Pontia beckerii - 52085.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

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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
April 02, 2014 Sue Orlowski Adams County, Washington, United States April 04, 2014 Details
August 09, 2012 markgunn Park County, Wyoming, United States February 19, 2014 Details
July 29, 2012 diwalks2 San Diego County, California, United States December 19, 2013 Details
July 29, 2012 Robert Gorman Orange County, California, United States November 22, 2013 Details
November 01, 2013 treichard Riverside County, California, United States November 11, 2013 Details
July 29, 2012 Robert Gorman San Diego County, California, United States November 07, 2013 Details
August 17, 2013 Sue Orlowski Lincoln County, Washington, United States August 21, 2013 Details
August 04, 2013 plex1ppus Lincoln County, Washington, United States August 10, 2013 Details
June 23, 2013 Greg Dean British Columbia, Canada August 06, 2013 Details
April 13, 2013 PDunwiddie Grant County, Washington, United States April 17, 2013 Details
May 06, 2012 J_Martineau Sheridan County, Wyoming, United States February 04, 2013 Details
April 19, 1986 legacy.reporter (William Swisher) Washoe County, Nevada, United States December 01, 2012 Details
April 09, 1996 legacy.reporter (John B. Vernon) Esmeralda County, Nevada, United States December 01, 2012 Details
July 22, 1996 legacy.reporter (Robert L. Langston) Eureka County, Nevada, United States December 01, 2012 Details
July 23, 1996 legacy.reporter (John B. Vernon) Elko County, Nevada, United States December 01, 2012 Details
July 26, 1997 legacy.reporter (Robert L. Langston) Eureka County, Nevada, United States December 01, 2012 Details
March 03, 1978 legacy.reporter (George T. Austin) Clark County, Nevada, United States December 01, 2012 Details
April 29, 1978 legacy.reporter (George T. Austin) Clark County, Nevada, United States December 01, 2012 Details
November 13, 1977 legacy.reporter (George T. Austin) Clark County, Nevada, United States December 01, 2012 Details
July 14, 1977 legacy.reporter (George T. Austin) Clark County, Nevada, United States December 01, 2012 Details
May 08, 1978 legacy.reporter (George T. Austin) Clark County, Nevada, United States December 01, 2012 Details
June 23, 1977 legacy.reporter (George T. Austin) Clark County, Nevada, United States December 01, 2012 Details
April 13, 2000 legacy.reporter (Ray Stanford) Navajo County, Arizona, United States December 01, 2012 Details
August 10, 2000 legacy.reporter (Kilian Roever) Coconino County, Arizona, United States December 01, 2012 Details
November 14, 2012 Doug Taron San Diego County, California, United States November 18, 2012 Details
June 21, 2011 coreyk Clark County, Nevada, United States February 12, 2012 Details
May 06, 2012 Ken Davenport (Ken Davenport) Inyo County, California, United States January 01, 2012 Details
April 09, 1996 legacy.reporter (John B. Vernon) Esmeralda County, Nevada, United States January 01, 2012 Details
July 22, 1996 legacy.reporter (Robert L. Langston) Eureka County, Nevada, United States January 01, 2012 Details
May 04, 1975 legacy.reporter (R. H. Leuschener) Clark County, Nevada, United States January 01, 2012 Details
May 11, 2011 lorhum Clark County, Nevada, United States September 11, 2011 Details
July 31, 2011 Jdammarell Lincoln County, Washington, United States August 01, 2011 Details
March 02, 2010 legacy.reporter (Kim Davis & Mike Stangeland) San Diego County, California, United States May 01, 2011 Details
July 19, 1980 legacy.reporter (unknown) Sierra County, California, United States May 01, 2011 Details
October 07, 1993 Ken Davenport (Ken Davenport) Clark County, Nevada, United States May 01, 2011 Details
July 19, 2009 plex1ppus (plex1ppus) Lincoln County, Washington, United States April 16, 2011 Details
June 23, 2010 legacy.reporter (Paul Opler and EviBuckner-Opler ) Humboldt County, Nevada, United States December 31, 2010 Details
June 23, 2010 legacy.reporter (Paul Opler Evi Buckner-Opler) Humboldt County, Nevada, United States December 31, 2010 Details
June 23, 2010 legacy.reporter (Paul Opler and EviBuckner-Opler ) Humboldt County, Nevada, United States December 31, 2010 Details
September 24, 2010 paulopler (Paul Opler) Carbon County, Utah, United States December 31, 2010 Details
September 24, 2010 paulopler (Paul Opler) Duchesne County, Utah, United States December 31, 2010 Details
July 22, 2010 legacy.reporter (Paul Opler and EviBuckner-Opler ) Grand County, Utah, United States December 31, 2010 Details
April 24, 1986 legacy.reporter (William L. Swisher) Inyo County, California, United States April 02, 2010 Details
June 18, 1981 legacy.reporter (R. Skalski) Santa Barbara County, California, United States March 09, 2010 Details
May 27, 1978 legacy.reporter (Sterling Mattoon, M. Smith) Siskiyou County, California, United States March 09, 2010 Details
September 12, 1978 legacy.reporter (A. M. Shapiro) Nevada County, California, United States March 09, 2010 Details
March 14, 1997 legacy.reporter (Lynn & Gene Monroe) San Diego County, California, United States March 09, 2010 Details
February 26, 1999 legacy.reporter (Lynn & Gene Monroe) San Diego County, California, United States March 09, 2010 Details
March 10, 2000 legacy.reporter (Lynn & Gene Monroe) San Diego County, California, United States March 09, 2010 Details
June 23, 1984 legacy.reporter (Laurence Crabtree) Lassen County, California, United States January 25, 2010 Details