Red-Shouldered Ctenucha
Ctenucha rubroscapus (Ménétriés, 1857)
Family: Erebidae
Subfamily: Arctiinae
Identification: Adult has a narrowly white tipped smoky black forewing and hindwing, red pink head and tegulae, and a glossy blue black abdomen. Larva is black narrowly marked with white and covered with tufts of moderately long gray tan hairlike setae that emanate from black verrucae. The head and prolegs are shiny golden brown to light brown.
Wing Span:
Life History: Adults are diurnal and feed at flowers.
Flight: One during July.
Caterpillar Hosts: Grasses such as Dactylis or Elymus (Poaceae).
Adult Food:
Habitat:
Range: Southern coastal Washington south along the coast and Sierra Nevada to central California.
Conservation:
NCGR:
Management Needs:
Comments: NULL
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Verified Sightings
Displaying 1 - 24 of 66 verified sightings
Observation date: Jun 06, 2016
Submitted by: Lisa McPhillips
Region: Santa Cruz County, California, United States
Verified by: mcduck
Verified date: Nov 08, 2021
Observation date: Jul 05, 2006
Submitted by: ebroderick
Region: Shasta County, California, United States
Verified by: mcduck
Verified date: Nov 07, 2021
Observation date: Jul 05, 2020
Submitted by: Jim Wilcox
Region: Plumas County, California, United States
Verified by: mcduck
Verified date: Oct 23, 2021
Observation date: Aug 08, 2021
Submitted by: yasobara
Region: Oregon, United States
Verified by: davidwdroppers
Verified date: Aug 15, 2021
Observation date: Jul 09, 2021
Submitted by: hiker96
Region: Thurston County, Washington, United States
Verified by: davidwdroppers
Verified date: Jul 11, 2021
Observation date: Jul 11, 2014
Submitted by: siskiyou
Region: Jackson County, Oregon, United States
Verified by: J_Martineau
Verified date: Mar 18, 2021
Observation date: Jul 18, 2016
Submitted by: Briez
Region: Lane County, Oregon, United States
Verified by: J_Martineau
Verified date: Mar 17, 2021
Observation date: Jul 28, 2019
Submitted by: Pheasantboy77
Region: Lewis County, Washington, United States
Verified by: davidwdroppers
Verified date: Jul 29, 2019
Observation date: Jul 10, 2016
Submitted by: kpraxel
Region: Grays Harbor County, Washington, United States
Verified by: davidwdroppers
Verified date: Jul 12, 2016
Observation date: Jul 26, 2015
Submitted by: Ccrawfordse
Region: Tillamook County, Oregon, United States
Verified by: Robert Martin
Verified date: Aug 25, 2015
Observation date: Jul 11, 2015
Submitted by: lhemenway
Region: Humboldt County, California, United States
Verified by: Robert Martin
Verified date: Jul 23, 2015
Observation date: Jul 06, 2015
Submitted by: Susan Shephard
Region: Plumas County, California, United States
Verified by: Robert Martin
Verified date: Jul 18, 2015
Observation date: Jun 28, 2015
Submitted by: HeatherHolt
Region: Del Norte County, California, United States
Verified by: Robert Martin
Verified date: Jun 30, 2015
Observation date: Jun 20, 2015
Submitted by: HeatherHolt
Region: Del Norte County, California, United States
Verified by: Robert Martin
Verified date: Jun 21, 2015
Observation date: Aug 28, 2014
Submitted by: coreyk
Region: Clark County, Nevada, United States
Verified by: Robert Martin
Verified date: Nov 15, 2014
Observation date: Aug 03, 2011
Submitted by: shastamax
Region: Siskiyou County, California, United States
Verified by: Robert Martin
Verified date: Aug 11, 2014
Observation date: Jul 16, 2014
Submitted by: Darlene Webster
Region: Clatsop County, Oregon, United States
Verified by: Robert Martin
Verified date: Jul 24, 2014
Observation date: Jul 17, 2014
Submitted by: jfpelley
Region: Lane County, Oregon, United States
Verified by: Robert Martin
Verified date: Jul 24, 2014
Observation date: Jun 19, 2014
Submitted by: Z3alot
Region: Columbia County, Oregon, United States
Verified by: Robert Martin
Verified date: Jun 20, 2014
Observation date: Jun 01, 2014
Submitted by: icosahedron
Region: Sonoma County, California, United States
Verified by: Robert Martin
Verified date: Jun 03, 2014
Observation date: May 16, 2014
Submitted by: mike.s
Region: Orange County, California, United States
Verified by: Robert Martin
Verified date: May 19, 2014
Observation date: Jul 07, 2013
Submitted by: Ann and Rob Simpson
Region: Mariposa County, California, United States
Verified by: Robert Martin
Verified date: Sep 30, 2013
Observation date: Jul 17, 2013
Submitted by: cbruner
Region: Humboldt County, California, United States
Verified by: Josiah Gilbert
Verified date: Sep 26, 2013
Observation date: Sep 03, 2013
Submitted by: plex1ppus
Region: Curry County, Oregon, United States
Verified by: Robert Martin
Verified date: Sep 21, 2013
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