LepidopteraTortricidae – Tortricid Moths

Beautiful Eucosma Moth - Hodges#2916

Eucosma formosana

This record describes Eucosma formosana (species). Recorded family: Tortricidae. Recorded order: Lepidoptera.

Identification and Appearance

Beautiful Eucosma Moth - Hodges#2916 - Eucosma formosana
Contributed by Maury J. Heiman; Additional contributions by Steve Nanz , Tony-2 , Randy Hardy , Robert H. Biagi

Identification notes

Genitalia:

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

Northeastern North America. ( 5 ) Type locality: Illinois (Mr. Kennicott ). ( 6 )

Seasonal Activity

The adults are most common from May to August, but there are records from March to December. ( 5 )

Diet and Behavior

Diet: Heinrich (1923) reported Solidago sp. as the host plant. ( 6 )

Additional species information

Species notes from the sources

Etymology: Specific epithet from Latin formosa meaning "beautifully formed."

About Butterflies and Moths: the wider group

Order-level background for Lepidoptera, the group containing Eucosma formosana. 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.

Explore Lepidoptera families and species →

Photos of Beautiful Eucosma Moth - Hodges#2916 (5)

Beautiful Eucosma Moth - Hodges#2916 - photo 1
Contributed by Maury J. Heiman; Additional contributions by Steve Nanz , Tony-2 , Randy Hardy , Robert H. Biagi
Beautiful Eucosma Moth - Hodges#2916 - photo 2
Contributed by Maury J. Heiman; Additional contributions by Steve Nanz , Tony-2 , Randy Hardy , Robert H. Biagi
Beautiful Eucosma Moth - Hodges#2916 - photo 3
Contributed by Maury J. Heiman; Additional contributions by Steve Nanz , Tony-2 , Randy Hardy , Robert H. Biagi
Beautiful Eucosma Moth - Hodges#2916 - photo 4
Contributed by Maury J. Heiman; Additional contributions by Steve Nanz , Tony-2 , Randy Hardy , Robert H. Biagi
Beautiful Eucosma Moth - Hodges#2916 - photo 5
Contributed by Maury J. Heiman; Additional contributions by Steve Nanz , Tony-2 , Randy Hardy , Robert H. Biagi

Photo credits: Contributed by Maury J. Heiman; Additional contributions by Steve Nanz , Tony-2 , Randy Hardy , Robert H. Biagi

Frequently Asked Questions About Beautiful Eucosma Moth - Hodges#2916

How big is Beautiful Eucosma Moth - Hodges#2916?

Heinrich (1923) reported the wingspan as 18-20 mm. ( 6 )

How do you identify Beautiful Eucosma Moth - Hodges#2916?

Genitalia:

Where is Beautiful Eucosma Moth - Hodges#2916 found?

Range: Northeastern North America. ( 5 ) Type locality: Illinois (Mr. Kennicott ). ( 6 )

What does Beautiful Eucosma Moth - Hodges#2916 eat?

The diet of the Beautiful Eucosma Moth - Hodges#2916 includes Heinrich (1923) reported Solidago sp. as the host plant. ( 6 ).

When is Beautiful Eucosma Moth - Hodges#2916 active?

Beautiful Eucosma Moth - Hodges#2916: seasonal activity - The adults are most common from May to August, but there are records from March to December. ( 5 ).

How we use and review source data. Source count does not imply independent verification.

Photo credits: Contributed by Maury J. Heiman; Additional contributions by Steve Nanz , Tony-2 , Randy Hardy , Robert H. Biagi. Contributors retain copyright over their individual contributions.