Ctenucha brunnea

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Ctenucha brunnea
Ctenucha brunnea (Brown Ctenucha).jpg
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Superfamily: Noctuoidea
Family: Erebidae
Subfamily: Arctiinae
Genus: Ctenucha
Species:
C. brunnea
Binomial name
Ctenucha brunnea
Stretch, 1872

Ctenucha brunnea, the brown ctenucha or brown-winged ctenucha, is a moth of the family Erebidae. The species was first described by Richard Harper Stretch in 1872. [1] It is a diurnal moth found in the US from central to southern coastal California. North of that, it is replaced by Ctenucha multifaria . [2] [3]

Adults' bodies are 20–26 millimetres (0.79–1.02 in) in length and blue, with red heads and shoulder markings. [3] The length of the forewings is 18–20 millimetres (0.71–0.79 in). The forewings are pale brown with black veins and a blue spot at the wing base. The costa and fringe of the outer margin is white. Adults are on wing from mid May to mid July. They feed on the nectar of Heteromeles arbutifolia . [4]

Eggs are round and fade from white to yellow, and laid in rows. The larvae are black with buff-colored or yellow hairs, with two black tufts on the front and rear and an amber or orange head. [4] [3] They feed on Leymus condensatus and other grasses and sedges. [5] [3] The pupae are chestnut in color and wrapped loosely in a cocoon of the larval hairs [6] .

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References

  1. Savela, Markku. "Ctenucha brunnea Stretch, 1872". Lepidoptera and Some Other Life Forms. Retrieved August 20, 2019.
  2. "930438.00 – 8265 – Ctenucha brunnea – Brown Ctenucha Moth – Stretch, 1872". North American Moth Photographers Group. Mississippi State University. Retrieved August 20, 2019.
  3. 1 2 3 4 Will, Kip; Gross, Joyce; Rubinoff, Daniel; Powell, Jerry A. (2020). Field Guide to California Insects. Oakland, California: University of California Press. pp. 382–383. ISBN   9780520288744.
  4. 1 2 Essig, E.O. (1915). "The Brown Ctenucha". Journal of Entomology and Zoology. 7 (4): 241–245. Retrieved July 3, 2024.
  5. Heiman, Maury J. (June 17, 2018). "Species Ctenucha brunnea - Brown Ctenucha - Hodges#8265". BugGuide. Retrieved August 20, 2019.
  6. Comstock, John A.; Dammers, Charles M. (1941). "Contributions from the Los Angeles Museum - Channel Islands Biological Survey -- 19. Ctenucha brunnea Stretch, on Santa Rosa Island". Bulletin of the Southern California Academy of Sciences. 40 (1): 11–12. doi:10.3160/0038-3872-40.1.11.