Eucosma oregonensis - Hodges#2935
Eucosma oregonensis
This record describes Eucosma oregonensis (species). Recorded family: Tortricidae. Recorded order: Lepidoptera.
Identification and Appearance

Heinrich original description in PDF.
Identification notes
Heinrich original description in PDF.
Classification
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Insecta
- Order
- Lepidoptera (Butterflies and Moths)
- Superfamily
- Tortricoidea
- Family
- Tortricidae (Tortricid Moths)
- Subfamily
- Olethreutinae
- Tribe
- Eucosmini
- Genus
- Eucosma
Imported taxonomy record. Source availability varies; see the source references and editorial policy below.
Habitat and Range
Geographic Range
California to Oregon. Paratypes: Oregon, Klamath Co., Crater Lake ( Barnes Collection, 24-31 Jul.).
Seasonal Activity
The main flight period appears to be July to August.
Additional species information
Species notes from the sources
Etymology: Specific epithet for the type location, Crater Lake, Oregon.
About Butterflies and Moths: the wider group
Order-level background for Lepidoptera, the group containing Eucosma oregonensis. Species-specific details appear above.
Group overview
Lepidoptera includes approximately 180,000 described species of butterflies and moths. Moths outnumber butterflies roughly 10:1. The monarch butterfly's eastern population has declined by more than 80% since the mid-1990s, and the western population by over 95% since the 1980s. The IUCN lists the migratory monarch as Vulnerable.
Ecological role of the group
Butterflies and moths are essential indicators of ecosystem health. As caterpillars, they are a primary food source for birds - a single nest of blue tit chicks requires ~10,000 caterpillars. Adult moths pollinate many night-blooming plants.
Economic and practical significance of the group
Lepidoptera are critical pollinators. In Europe, grassland butterfly species have declined by almost 50% since the early 1990s. In the UK, three-quarters of butterflies are in decline. In the U.S., five butterfly species have gone extinct since 1950, with 29 listed as endangered.
Recorded sources for this group: IUCN Red List, Xerces Society, USFWS, PNAS, WWF. Imported estimates may describe particular regions or reporting periods.
Photos of Eucosma oregonensis - Hodges#2935 (5)
Photo credits: Contributed by Maury J. Heiman; Additional contributions by Steve Nanz , Randy Hardy
Frequently Asked Questions About Eucosma oregonensis - Hodges#2935
What is Eucosma oregonensis - Hodges#2935?
Eucosma oregonensis - Hodges#2935 (Eucosma oregonensis) is a species in the family Tortricidae, within the order Lepidoptera.
How big is Eucosma oregonensis - Hodges#2935?
Heinrich reported a wingspan of 17 mm.
How do you identify Eucosma oregonensis - Hodges#2935?
Heinrich original description in PDF.
Where is Eucosma oregonensis - Hodges#2935 found?
Range: California to Oregon. Paratypes: Oregon, Klamath Co., Crater Lake ( Barnes Collection, 24-31 Jul.).
When is Eucosma oregonensis - Hodges#2935 active?
Eucosma oregonensis - Hodges#2935: seasonal activity - The main flight period appears to be July to August..
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