Exaeretia umbraticostella

Exaeretia umbraticostella is a moth in the family Depressariidae.[1] It is found in North America, where it has been recorded from South Dakota and British Columbia to Texas and California.[2]

Exaeretia umbraticostella
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Lepidoptera
Family:
Depressariidae
Genus:
Exaeretia
Species:
E. umbraticostella
Binomial name
Exaeretia umbraticostella
(Walsingham, 1881)
Synonyms
  • Depresaria umbraticostella Walsingham, 1881
  • Martyrhilda umbraticostella

The wingspan is 16–19 mm. The forewings are light reddish ochreous with small diffused blackish-fuscous spots on the costa and around the termen. There is a conspicuous, outwardly diffused blackish-fuscous shade on the middle of the costa, preceded by two minute discal dots of the same colour. There is a light fuscous shade from the costal patch, around the termen to near the middle of the inner margin. The hindwings are shining greyish fuscous.[3]

The larvae feed on Balsamohirza sagittata and Helianthus pumilus.[4] They feed within tubes, formed from tied terminal leaves. A single larvae may construct several tubes. Full-grown larvae reach a length of 11–12 mm. They have a light yellowish body and light brown head. Pupation takes place in debris at the base of the plant.

References
  1. Beccaloni, G.; Scoble, M.; Kitching, I.; Simonsen, T.; Robinson, G.; Pitkin, B.; Hine, A.; Lyal, C., eds. (2003). "Exaeretia umbraticostella". The Global Lepidoptera Names Index. Natural History Museum. Retrieved May 18, 2018.
  2. mothphotographersgroup
  3. Proceedings of the United States National Museum 90 (3107): 82
  4. "Exaeretia Stainton, 1849" at Markku Savela's Lepidoptera and Some Other Life Forms


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