Red-shouldered ctenucha moth
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Superfamily: Noctuoidea
Family: Erebidae
Subfamily: Arctiinae
Genus: Ctenucha
Species:
C. rubroscapus
Binomial name
Ctenucha rubroscapus
(Ménétriés, 1857)
Synonyms
  • Claucopis rubroscapus Ménétriés, 1857
  • Ctenucha ochroscapus Grote & Robinson, 1868
  • Ctenucha corvina Boisduval, 1869
  • Ctenucha walsinghamii H. Edwards, 1873

Ctenucha rubroscapus, the red-shouldered ctenucha moth, is a moth of the family Erebidae. It was described by Édouard Ménétries in 1857.[1] It is found in western North America,[2] where it is limited to low elevations west of the Cascade Mountains, south of Chehalis in Washington. The habitat consists of coastal grasslands adjacent to the ocean, as well as wet boggy meadows and wet prairie.

The length of the forewings is 19–20 mm. Adults are brilliantly coloured black, blue and orange. Adults are on wing from late June to September in one generation per year. It is a day-flying species.

The larvae feed on Poaceae and Cyperaceae species, including species of the genera Dactylis and Elymus. The larvae are black and densely covered with short tufts of white hairs.[3]

References

  1. ↑ "930437.00 – 8264 – Ctenucha rubroscapus – (Ménétriés, 1857)". North American Moth Photographers Group. Mississippi State University. Retrieved August 20, 2019.
  2. ↑ Savela, Markku. "Ctenucha rubroscapus (Ménétriés, 1857)". Lepidoptera and Some Other Life Forms. Retrieved August 20, 2019.
  3. ↑ Pacific Northwest Moths


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