LepidopteraGeometridae – Geometrid Moths

Least-marked Euchlaena - Hodges#6739

Euchlaena irraria

This record describes Euchlaena irraria (species). Recorded family: Geometridae. Recorded order: Lepidoptera.

Identification and Appearance

Least-marked Euchlaena - Hodges#6739 - Euchlaena irraria
Contributed by Robin McLeod; Additional contributions by Tony-2 , Chuck Entz , Maury Heiman , marcie oconnor

wings powdery yellowish or brownish-gray with fine speckling; forewing has faint brown AM line and brown sinuous, usually complete PM line; dark brown shading along lower half of PM line, fading back to ground color toward outer margin; discal spots blackish, usually prominent on all wings but may be absent [adapted from description by Charles Covell]

Classification

Kingdom
Animalia
Phylum
Arthropoda
Class
Insecta
Order
Lepidoptera (Butterflies and Moths)
Superfamily
Geometroidea
Family
Geometridae (Geometrid Moths)
Subfamily
Ennominae
Tribe
Angeronini
Genus
Euchlaena

Imported taxonomy record. Source availability varies; see the source references and editorial policy below.

Habitat and Range

Geographic Range

Nova Scotia to South Carolina, west to Missouri, north to Saskatchewan

Seasonal Activity

adults fly from May to August

Diet and Behavior

Diet: larvae feed on leaves of birch, dogwood, maple, meadowsweet, oak, poplar, sweet-fern

Life History

one generation per year

About Butterflies and Moths: the wider group

Order-level background for Lepidoptera, the group containing Euchlaena irraria. 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 Least-marked Euchlaena - Hodges#6739 (5)

Least-marked Euchlaena - Hodges#6739 - photo 1
Contributed by Robin McLeod; Additional contributions by Tony-2 , Chuck Entz , Maury Heiman , marcie oconnor
Least-marked Euchlaena - Hodges#6739 - photo 2
Contributed by Robin McLeod; Additional contributions by Tony-2 , Chuck Entz , Maury Heiman , marcie oconnor
Least-marked Euchlaena - Hodges#6739 - photo 3
Contributed by Robin McLeod; Additional contributions by Tony-2 , Chuck Entz , Maury Heiman , marcie oconnor
Least-marked Euchlaena - Hodges#6739 - photo 4
Contributed by Robin McLeod; Additional contributions by Tony-2 , Chuck Entz , Maury Heiman , marcie oconnor
Least-marked Euchlaena - Hodges#6739 - photo 5
Contributed by Robin McLeod; Additional contributions by Tony-2 , Chuck Entz , Maury Heiman , marcie oconnor

Photo credits: Contributed by Robin McLeod; Additional contributions by Tony-2 , Chuck Entz , Maury Heiman , marcie oconnor

Frequently Asked Questions About Least-marked Euchlaena - Hodges#6739

What is Least-marked Euchlaena - Hodges#6739?

Least-marked Euchlaena - Hodges#6739 (Euchlaena irraria) is a species in the family Geometridae, within the order Lepidoptera.

How big is Least-marked Euchlaena - Hodges#6739?

wingspan 37-48 mm

How do you identify Least-marked Euchlaena - Hodges#6739?

wings powdery yellowish or brownish-gray with fine speckling; forewing has faint brown AM line and brown sinuous, usually complete PM line; dark brown shading along lower half of PM line, fading back to ground color toward outer margin; discal spots blackish, usually prominent on all wings but may be absent [adapted from description by Charles Covell]

Where is Least-marked Euchlaena - Hodges#6739 found?

Range: Nova Scotia to South Carolina, west to Missouri, north to Saskatchewan

What does Least-marked Euchlaena - Hodges#6739 eat?

The diet of the Least-marked Euchlaena - Hodges#6739 includes larvae feed on leaves of birch, dogwood, maple, meadowsweet, oak, poplar, sweet-fern.

When is Least-marked Euchlaena - Hodges#6739 active?

Least-marked Euchlaena - Hodges#6739: seasonal activity - adults fly from May to August.

What is the life cycle of a Least-marked Euchlaena - Hodges#6739?

one generation per year

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

Photo credits: Contributed by Robin McLeod; Additional contributions by Tony-2 , Chuck Entz , Maury Heiman , marcie oconnor. Contributors retain copyright over their individual contributions.