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 1 - 24 of 330 verified sightings
Observation date: Apr 14, 2023
Submitted by: hasfitz5
Region: Cochise County, Arizona, United States
Verified by: Paul Prappas
Verified date: Jun 06, 2023
Observation date: Mar 12, 2023
Submitted by: asombro_institute
Region: Doña Ana County, New Mexico, United States
Verified by: stevecary
Verified date: May 10, 2023
Observation date: Apr 21, 2023
Submitted by: Marta Reece
Region: Grant County, New Mexico, United States
Verified by: stevecary
Verified date: May 03, 2023
Observation date: Apr 17, 2014
Submitted by: papilio1
Region: Washoe County, Nevada, United States
Verified by: Ken Davenport
Verified date: Jul 12, 2022
Observation date: Mar 28, 2021
Submitted by: Robert Gorman
Region: San Diego County, California, United States
Verified by: James Steen
Verified date: Jun 15, 2022
Observation date: Apr 02, 2022
Submitted by: JudyLY
Region: Doña Ana County, New Mexico, United States
Verified by: stevecary
Verified date: Apr 11, 2022
Observation date: Mar 25, 2022
Submitted by: joeschelling
Region: New Mexico, United States
Verified by: stevecary
Verified date: Mar 26, 2022
Observation date: Mar 20, 2022
Submitted by: bonfrey
Region: Socorro County, New Mexico, United States
Verified by: stevecary
Verified date: Mar 21, 2022
Observation date: Mar 17, 2022
Submitted by: jamesvonloh
Region: Doña Ana County, New Mexico, United States
Verified by: stevecary
Verified date: Mar 19, 2022
Observation date: May 06, 2021
Submitted by: stevecary
Region: Rio Arriba County, New Mexico, United States
Verified by: stevecary
Verified date: May 08, 2021
Observation date: Apr 26, 2021
Submitted by: Cactuswren1976
Region: Sandoval County, New Mexico, United States
Verified by: stevecary
Verified date: Apr 27, 2021
Observation date: Jun 01, 2017
Submitted by: papilio1
Region: Washoe County, Nevada, United States
Verified by: Ken Davenport
Verified date: Apr 13, 2021
Observation date: Mar 31, 2021
Submitted by: JudyLY
Region: Doña Ana County, New Mexico, United States
Verified by: stevecary
Verified date: Apr 13, 2021
Observation date: Mar 06, 2021
Submitted by: stevecary
Region: Grant County, New Mexico, United States
Verified by: stevecary
Verified date: Apr 12, 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 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
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