Attributes of Ctenucha rubroscapus

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:
Taxonomy Notes:

Images of Ctenucha rubroscapus

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The map below displays all BAMONA data for this species and has three different data layers:
1. All records (yellow dots)   2. Recently verified records (orange dots)*   3. US county records (purple)

There are also three base layers: 1. Satellite    2. Normal   3. Hybrid

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*The orange dots on the map provide access to information about the 400 most recently verified sightings of this species. Sometimes, there are several records at the same location. Use the table view to access these records.

By default, the fifty most recently verified sightings are below. Sort by Observation Date to see the most recent sightings, or filter the sightings by region to get a regional list.

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Observation Date Submitter Region Verified Datesort icon
July 07, 2013 Ann and Rob Simpson Mariposa County, California, United States September 30, 2013 Details
July 17, 2013 cowbug3 Humboldt County, California, United States September 26, 2013 Details
September 03, 2013 plex1ppus Curry County, Oregon, United States September 21, 2013 Details
July 06, 2013 Houseofpearl Multnomah County, Oregon, United States August 18, 2013 Details
June 29, 2013 Houseofpearl Multnomah County, Oregon, United States July 31, 2013 Details
June 01, 2013 jimpiercy Sonoma County, California, United States June 25, 2013 Details
August 13, 2012 jweber Clatsop County, Oregon, United States September 11, 2012 Details
August 13, 2012 PDunwiddie Tillamook County, Oregon, United States August 27, 2012 Details
July 31, 2012 goupi Humboldt County, California, United States August 14, 2012 Details
July 11, 2012 Linda Fink Yamhill County, Oregon, United States August 06, 2012 Details
July 01, 2012 jenniealice Mendocino County, California, United States July 02, 2012 Details
June 23, 2012 Matthew G Hunter Douglas County, Oregon, United States June 25, 2012 Details
July 08, 2011 rotezora42 Mariposa County, California, United States June 05, 2012 Details
August 09, 2011 rhl116 Clatsop County, Oregon, United States January 23, 2012 Details
June 28, 2011 robin andrea Nevada County, California, United States August 19, 2011 Details
January 01, 1950 legacy.reporter Del Norte County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Siskiyou County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Shasta County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Trinity County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Humboldt County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Mendocino County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Sonoma County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Plumas County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Nevada County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Placer County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter El Dorado County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Tuolumne County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Mariposa County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Monterey County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter San Mateo County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Santa Clara County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Tulare County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Fresno County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Sierra County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Tillamook County, Oregon, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Benton County, Oregon, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Lincoln County, Oregon, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Coos County, Oregon, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Curry County, Oregon, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Josephine County, Oregon, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Jackson County, Oregon, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Jefferson County, Oregon, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Douglas County, Oregon, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Lewis County, Washington, United States December 31, 2004 Details
January 01, 1950 legacy.reporter King County, Washington, United States December 31, 2004 Details