Great Basin Wood-Nymph
Cercyonis sthenele (Boisduval, 1852)
Family: Nymphalidae
Subfamily: Satyrinae
Identification: Upperside is brown. Forewing of male has 2 small eyespots, with the upper one larger; female has 2 large eyespots of about the same size. Eyespots are of equal distance from the outer edge of wing. Dark basal half of hindwing underside is separated from lighter outer half by an irregular dark line.
Wing Span: 1 3/8 - 1 3/4 inches (3.5 - 4.5 cm).
Life History: Males patrol all day to find females, who lay eggs singly on host plants. Caterpillars hatch and go into hibernation, not feeding until the following spring.
Flight: One brood from June-August.
Caterpillar Hosts: Unknown grasses.
Adult Food: Flower nectar.
Habitat: Chaparral, oak woodland, open pine forest, juniper-pinyon woodland, sagebrush.
Range: Southern British Columbia south through California to Baja California Norte; east to Wyoming, Colorado, and Arizona.
Conservation: Not usually required.
NCGR: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.
Management Needs: None reported.
Comments: NULL
Verified Sightings
Displaying 1 - 24 of 449 verified sightings
Observation date: Jul 17, 2019
Submitted by: glennfine
Region: Siskiyou County, California, United States
Verified by: Ken Davenport
Verified date: Jul 18, 2019
Observation date: Jun 28, 2019
Submitted by: ezeemonee
Region: Kern County, California, United States
Verified by: Ken Davenport
Verified date: Jul 11, 2019
Observation date: Jun 13, 2019
Submitted by: MAKI
Region: Ventura County, California, United States
Verified by: Ken Davenport
Verified date: Jun 16, 2019
Observation date: Aug 06, 2006
Submitted by: hydapse
Region: Park County, Wyoming, United States
Verified by: J_Martineau
Verified date: Feb 07, 2019
Observation date: Jul 29, 2018
Submitted by: Lisahug
Region: Washoe County, Nevada, United States
Verified by: Ken Davenport
Verified date: Nov 21, 2018
Observation date: Jul 14, 2018
Submitted by: Lisahug
Region: White Pine County, Nevada, United States
Verified by: Ken Davenport
Verified date: Nov 21, 2018
Observation date: Aug 05, 2018
Submitted by: Robert Gorman
Region: Mono County, California, United States
Verified by: Ken Davenport
Verified date: Aug 15, 2018
Observation date: Aug 06, 2018
Submitted by: Robert Gorman
Region: Mono County, California, United States
Verified by: Ken Davenport
Verified date: Aug 15, 2018
Observation date: Aug 03, 2017
Submitted by: Wendy McCrady
Region: Custer County, Idaho, United States
Verified by: stevekohler
Verified date: Jun 19, 2018
Observation date: Aug 02, 2008
Submitted by: Lisahug
Region: Sonoma County, California, United States
Verified by: Ken Davenport
Verified date: Oct 04, 2017
Observation date: Jul 15, 2017
Submitted by: Claude Rioux
Region: British Columbia, Canada
Verified by: Norbert Kondla
Verified date: Sep 22, 2017
Observation date: Jul 17, 2017
Submitted by: pauhana
Region: Flathead County, Montana, United States
Verified by: J_Martineau
Verified date: Jul 25, 2017
Observation date: Jun 23, 2016
Submitted by: wimvdam
Region: Santa Barbara County, California, United States
Verified by: Ken Davenport
Verified date: Aug 12, 2016
Observation date: Jul 06, 2016
Submitted by: Chris Carvalho
Region: Klickitat County, Washington, United States
Verified by: davidwdroppers
Verified date: Jul 26, 2016
Observation date: Jun 12, 2016
Submitted by: ncrosbyrd
Region: Kern County, California, United States
Verified by: Ken Davenport
Verified date: Jul 21, 2016
Observation date: Jul 09, 2016
Submitted by: dharlette
Region: Contra Costa County, California, United States
Verified by: Ken Davenport
Verified date: Jul 13, 2016
Observation date: Jul 06, 2016
Submitted by: Chris Carvalho
Region: Klickitat County, Washington, United States
Verified by: davidwdroppers
Verified date: Jul 12, 2016
Observation date: Jul 02, 2016
Submitted by: diwalks2@gmail.com
Region: Orange County, California, United States
Verified by: Ken Davenport
Verified date: Jul 06, 2016
Observation date: Jun 19, 2016
Submitted by: diwalks2@gmail.com
Region: San Bernardino County, California, United States
Verified by: Ken Davenport
Verified date: Jun 22, 2016
Observation date: Jul 09, 2013
Submitted by: richtrebbien
Region: Valley County, Idaho, United States
Verified by: CA Ivy
Verified date: Feb 08, 2016
Observation date: Jun 23, 2015
Submitted by: Josiah Gilbert
Region: San Luis Obispo County, California, United States
Verified by: Ken Davenport
Verified date: Sep 03, 2015
Observation date: Jun 23, 2015
Submitted by: Josiah Gilbert
Region: San Luis Obispo County, California, United States
Verified by: Ken Davenport
Verified date: Sep 03, 2015
Observation date: May 25, 2015
Submitted by: Selwyn Quan
Region: Santa Clara County, California, United States
Verified by: Ken Davenport
Verified date: May 30, 2015
Observation date: Jun 12, 2014
Submitted by: Josiah Gilbert
Region: San Luis Obispo County, California, United States
Verified by: Ken Davenport
Verified date: Dec 28, 2014
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