Eucosma segregata - Hodges#2991
Eucosma segregata
This record describes Eucosma segregata (species). Recorded family: Tortricidae. Recorded order: Lepidoptera.
Identification and Appearance

Eucosma segregata - Hodges#2991 (Eucosma segregata) is a species in the family Tortricidae, commonly known as tortricid moths, belonging to the order Lepidoptera (Butterflies and Moths). It is classified within the subfamily Olethreutinae, tribe Eucosmini, superfamily Tortricoidea. This species belongs to the genus Eucosma. As a member of class Insecta, phylum Arthropoda, it is part of the kingdom Animalia. Size: Wingspan 11-12 mm.. Active during The adults appear to be most common from July and August..
Identification notes
ID confirmed by Chuck Harp.
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 Colorado and Montana. (larger range possible) Holotype ♂, USA, Wyoming, Yellowstone National Park, Camp Roosevelt, Canadian National Collection of Insects, Arachnids, and Nematodes, Ottawa, Ontario, Canada (CNC).
Seasonal Activity
The adults appear to be most common from July and August. ( 3 )
About Butterflies and Moths: the wider group
Order-level background for Lepidoptera, the group containing Eucosma segregata. 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 segregata - Hodges#2991 (2)
Photo credits: Contributed by Maury J. Heiman; Additional contributions by Steve Nanz , Randy Hardy , Kyhl Austin
Frequently Asked Questions About Eucosma segregata - Hodges#2991
What is Eucosma segregata - Hodges#2991?
Eucosma segregata - Hodges#2991 (Eucosma segregata) is a species in the family Tortricidae, within the order Lepidoptera.
How big is Eucosma segregata - Hodges#2991?
Wingspan 11-12 mm.
How do you identify Eucosma segregata - Hodges#2991?
ID confirmed by Chuck Harp.
Where is Eucosma segregata - Hodges#2991 found?
Range: California to Colorado and Montana. (larger range possible) Holotype ♂, USA, Wyoming, Yellowstone National Park, Camp Roosevelt, Canadian National Collection of Insects, Arachnids, and Nematodes, Ottawa, Ontario, Canada (CNC).
When is Eucosma segregata - Hodges#2991 active?
Eucosma segregata - Hodges#2991: seasonal activity - The adults appear to be most common from July and August. ( 3 ).
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