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 25 - 48 of 340 verified sightings
Observation date: Mar 28, 2021
Submitted by: guy_incognito
Region: San Bernardino County, California, United States
Verified by: Ken Davenport
Verified date: Mar 29, 2021
Observation date: Mar 28, 2021
Submitted by: guy_incognito
Region: San Bernardino County, California, United States
Verified by: Ken Davenport
Verified date: Mar 29, 2021
Observation date: Mar 18, 2021
Submitted by: 1tom2go
Region: Doña Ana County, New Mexico, United States
Verified by: stevecary
Verified date: Mar 24, 2021
Observation date: Mar 15, 2021
Submitted by: JudyLY
Region: Doña Ana County, New Mexico, United States
Verified by: stevecary
Verified date: Mar 24, 2021
Observation date: May 02, 2020
Submitted by: flusteredfly
Region: Humboldt County, Nevada, United States
Verified by: Ken Davenport
Verified date: Jun 27, 2020
Observation date: Apr 17, 2020
Submitted by: Tim Shortell
Region: Delta County, Colorado, United States
Verified by: A_baldini
Verified date: May 18, 2020
Observation date: Mar 21, 2020
Submitted by: ASchmierer
Region: Cochise County, Arizona, United States
Verified by: John Saba
Verified date: Mar 24, 2020
Observation date: Mar 06, 2020
Submitted by: J Tinsman
Region: Clark County, Nevada, United States
Verified by: Ken Davenport
Verified date: Mar 07, 2020
Observation date: Feb 25, 2019
Submitted by: stevecary
Region: Santa Cruz County, Arizona, United States
Verified by: John Saba
Verified date: Feb 07, 2020
Observation date: Mar 19, 2019
Submitted by: MAKI
Region: Riverside County, California, United States
Verified by: Ken Davenport
Verified date: Mar 20, 2019
Observation date: Jun 03, 2004
Submitted by: hydapse
Region: Carbon County, Montana, United States
Verified by: J_Martineau
Verified date: Feb 25, 2019
Observation date: Apr 12, 2016
Submitted by: Tim Shortell
Region: Mesa County, Colorado, United States
Verified by: mikefisher
Verified date: Feb 03, 2019
Observation date: Apr 20, 2017
Submitted by: Wendy McCrady
Region: Custer County, Idaho, United States
Verified by: stevekohler
Verified date: Jun 19, 2018
Observation date: May 13, 2018
Submitted by: J. Tiehm
Region: Modoc County, California, United States
Verified by: Ken Davenport
Verified date: May 20, 2018
Observation date: Mar 09, 2005
Submitted by: Martin Reid
Region: El Paso County, Texas, United States
Verified by: stomlins701
Verified date: Jan 29, 2018
Observation date: Mar 28, 2017
Submitted by: Robert Gorman
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Sep 25, 2017
Observation date: Mar 28, 2017
Submitted by: diwalks2@gmail.com
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Mar 31, 2017
Observation date: Mar 24, 2017
Submitted by: Bdog
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Mar 26, 2017
Observation date: Mar 16, 2016
Submitted by: JoseBonner
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Dec 28, 2016
Observation date: Mar 13, 2016
Submitted by: JoseBonner
Region: San Bernardino County, California, United States
Verified by: Ken Davenport
Verified date: Dec 27, 2016
Observation date: Mar 13, 2016
Submitted by: JoseBonner
Region: San Bernardino County, California, United States
Verified by: Ken Davenport
Verified date: Dec 27, 2016
Observation date: Feb 11, 2014
Submitted by: ncrosbyrd
Region: Pima County, Arizona, United States
Verified by: John Saba
Verified date: Jun 06, 2015
Observation date: Apr 02, 2015
Submitted by: randimal
Region: Kittitas County, Washington, United States
Verified by: davidwdroppers
Verified date: May 12, 2015
Observation date: Apr 19, 2015
Submitted by: Kristie Nelson
Region: Mono County, California, United States
Verified by: Ken Davenport
Verified date: Apr 20, 2015
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