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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The map below displays all verified sighting records in the BAMONA database for this species. Each record is indicated with a yellow dot. The orange dots on the map provide access to information about the 400 most recently verified sightings of this species. In some instances, there are several records at the same location. Use the table view to access these records.
Instructions: Click on the map and move your mouse to pan.
Zoom by using the plus [+] and minus [-] on the left side of the map.
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The fifty most recently verified sightings are below. See more recently verified sightings of all species.
| Observation Date | Submitter | Region |
Verified Date |
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|---|---|---|---|---|---|
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April 13, 2013 | PDunwiddie | Grant County, Washington, United States | April 17, 2013 | Details |
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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 | |
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November 14, 2012 | Doug Taron | San Diego County, California, United States | November 18, 2012 | Details |
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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 | |
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May 11, 2011 | lorhum | Clark County, Nevada, United States | September 11, 2011 | Details |
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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 | |
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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 | |
| March 24, 1984 | legacy.reporter (Laurence Crabtree) | Lassen County, California, United States | January 25, 2010 | Details | |
| June 22, 1986 | legacy.reporter (A. M. Shapiro) | Siskiyou County, California, United States | January 07, 2010 | Details | |
| August 10, 1985 | legacy.reporter (A. M. Shapiro) | Siskiyou County, California, United States | January 07, 2010 | Details | |
| September 05, 1985 | legacy.reporter (A. M. Shapiro) | Siskiyou County, California, United States | January 07, 2010 | Details | |
| January 29, 2009 | Ken Davenport (Ken Davenport) | Kern County, California, United States | January 06, 2010 | Details | |
| May 13, 1965 | legacy.reporter (Robert L. Langston) | San Luis Obispo County, California, United States | January 06, 2010 | Details | |
| May 07, 1992 | Ken Davenport (Ken Davenport) | Inyo County, California, United States | December 16, 2009 | Details | |
| May 09, 1997 | Ken Davenport (Ken Davenport) | Inyo County, California, United States | December 16, 2009 | Details | |
| May 20, 1997 | Ken Davenport (Ken Davenport) | Inyo County, California, United States | December 16, 2009 | Details |
