Similar Underwing - Hodges#8873
Catocala similis
This record describes Catocala similis (species). Recorded family: Erebidae. Recorded order: Lepidoptera.
Identification and Appearance

Adult - pale triangular patch from the PM along the costa, pointed at the apex and the light-colored, tear-shaped reniform spot distinguish this species. ( 12 )
Classification
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Insecta
- Order
- Lepidoptera (Butterflies and Moths)
- Superfamily
- Noctuoidea
- Family
- Erebidae
- Subfamily
- Erebinae
- Tribe
- Catocalini
- Genus
- Catocala (Underwings)
Imported taxonomy record. Source availability varies; see the source references and editorial policy below.
Habitat and Range
Geographic Range
Ontario, Quebec and Maine, south to Florida, west to Texas and Minnesota. ( 12 )
Diet and Behavior
Diet: Larval hosts are oak and pecan. ( 13 )
Additional species information
Species notes from the sources
Etymology: Specific epithet from Latin similis meaning "similar."
About Butterflies and Moths: the wider group
Order-level background for Lepidoptera, the group containing Catocala similis. 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 Similar Underwing - Hodges#8873 (2)
Photo credits: Contributed by Jason D. Roberts; Additional contributions by Robert Lord Zimlich , marcie oconnor , Randy Hardy
Frequently Asked Questions About Similar Underwing - Hodges#8873
What is Similar Underwing - Hodges#8873?
Similar Underwing - Hodges#8873 (Catocala similis) is a species in the family Erebidae, within the order Lepidoptera.
How big is Similar Underwing - Hodges#8873?
Wingspan 35-45 mm. ( 12 )
How do you identify Similar Underwing - Hodges#8873?
Adult - pale triangular patch from the PM along the costa, pointed at the apex and the light-colored, tear-shaped reniform spot distinguish this species. ( 12 )
Where is Similar Underwing - Hodges#8873 found?
Range: Ontario, Quebec and Maine, south to Florida, west to Texas and Minnesota. ( 12 )
What does Similar Underwing - Hodges#8873 eat?
The diet of the Similar Underwing - Hodges#8873 includes Larval hosts are oak and pecan. ( 13 ).
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