Desert Marble
Euchloe lotta Beutenmüller, 1898
Family: Pieridae
Subfamily: Pierinae
Identification: Upperside of forewing with cell bar very close to edge of wing. Cell bar usually wide and devoid of white scales, but may be narrow in some populations. Underside pearly white; hindwing with dark green marbling.
Wing Span: 1 1/4 - 1 3/4 inches (3.2 - 4.5 cm).
Life History: Males patrol on hilltops or ridges for receptive females. Eggs are laid singly on host plant leaves, flowers, or fruits. Flowers and fruits are the preferred food of the caterpillars. Chrysalids hibernate.
Flight: One flight from March-June.
Caterpillar Hosts: Plants in the mustard (Brassicaceae) family including rock cress (Arabis), peppergrass (Lepidium), and tansy-mustard (Descurainia).
Adult Food: Flower nectar including that of hosts and others such as phloxes.
Habitat: Deserts, rocky canyons, hills, ridges, open pinyon-juniper woodlands.
Range: Interior of south British Columbia east of Cascades and Sierra Nevada south to southern California, east to Colorado and New Mexico.
Conservation: None reported.
NCGR: G5, globally secure.
Management Needs: Manage habitat with host plants.
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Verified Sightings
Displaying 169 - 192 of 340 verified sightings
Observation date: May 02, 2008
Submitted by: legacy.reporter
Region: Eureka County, Nevada, United States
Verified by: paulopler (Paul Opler)
Verified date: Aug 07, 2008
Observation date: May 01, 2004
Submitted by: stevekohler (Steve Kohler)
Region: Silver Bow County, Montana, United States
Verified by: stevekohler (Steve Kohler)
Verified date: Jan 29, 2008
Observation date: May 16, 2006
Submitted by: Norbert Kondla (Steve Kohler and Norbert Kondla)
Region: Powell County, Montana, United States
Verified by: stevekohler (Steve Kohler)
Verified date: Jan 29, 2008
Observation date: May 17, 2004
Submitted by: stevekohler (Steve Kohler)
Region: Park County, Montana, United States
Verified by: stevekohler (Steve Kohler)
Verified date: Jan 29, 2008
Observation date: May 17, 2004
Submitted by: stevekohler (Steve Kohler)
Region: Gallatin County, Montana, United States
Verified by: stevekohler (Steve Kohler)
Verified date: Jan 29, 2008
Observation date: Mar 08, 2007
Submitted by: John Saba (John Saba)
Region: Pima County, Arizona, United States
Verified by: paulopler (Paul Opler)
Verified date: Mar 12, 2007
Observation date: Mar 24, 2005
Submitted by: legacy.reporter (Robert Behrstock)
Region: Cochise County, Arizona, United States
Verified by: legacy.verifier (Robert Behrstock)
Verified date: Jun 23, 2006
Observation date: unknown
Submitted by: legacy.reporter
Region: Mohave County, Arizona, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Ada County, Idaho, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Carbon County, Utah, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Santa Cruz County, Arizona, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Bingham County, Idaho, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: White Pine County, Nevada, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Park County, Wyoming, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Placer County, California, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Ravalli County, Montana, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Crook County, Oregon, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: San Bernardino County, California, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Chihuahua, Mexico
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Deschutes County, Oregon, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Pitkin County, Colorado, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Hidalgo County, New Mexico, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Daggett County, Utah, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
Observation date: unknown
Submitted by: legacy.reporter
Region: Archuleta County, Colorado, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004
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