Streaked Orange - Hodges#4937
Nascia acutellus
This record describes Nascia acutellus (species). Recorded family: Crambidae. Recorded order: Lepidoptera.
Identification and Appearance

Adult: forewing light yellow to orange or brownish with dark brown longitudinal streaks along veins hindwing pale yellowish with whitish or pale gray shading
Classification
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Insecta
- Order
- Lepidoptera (Butterflies and Moths)
- Superfamily
- Pyraloidea
- Family
- Crambidae (Crambid Snout Moths)
- Subfamily
- Pyraustinae
- Tribe
- Pyraustini
- Genus
- Nascia
Imported taxonomy record. Source availability varies; see the source references and editorial policy below.
Habitat and Range
Habitat
wet grassy areas containing sedges; adults are nocturnal and attracted to light
Geographic Range
Nova Scotia to Florida, west to Texas, north to Nebraska, Michigan, Ontario; also reported from Colorado
Seasonal Activity
adults fly from May to August
Diet and Behavior
Diet: unknown but presumably sedges (Cyperaceae); larvae of the Eurasian species N. cilialis feed on Carex and Cladium sedges
About Butterflies and Moths: the wider group
Order-level background for Lepidoptera, the group containing Nascia acutellus. 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 Streaked Orange - Hodges#4937 (5)
Photo credits: Contributed by Robin McLeod; Additional contributions by john and jane balaban , marcie oconnor , Fyn Kynd , Kyhl Austin , Blocky
Frequently Asked Questions About Streaked Orange - Hodges#4937
What is Streaked Orange - Hodges#4937?
Streaked Orange - Hodges#4937 (Nascia acutellus) is a species in the family Crambidae, within the order Lepidoptera.
How big is Streaked Orange - Hodges#4937?
wingspan about 22 mm, based on MPG specimen
How do you identify Streaked Orange - Hodges#4937?
Adult: forewing light yellow to orange or brownish with dark brown longitudinal streaks along veins hindwing pale yellowish with whitish or pale gray shading
Where is Streaked Orange - Hodges#4937 found?
| Feature | Details |
|---|---|
| Habitat | wet grassy areas containing sedges; adults are nocturnal and attracted to light |
| Range | Nova Scotia to Florida, west to Texas, north to Nebraska, Michigan, Ontario; also reported from Colorado |
What does Streaked Orange - Hodges#4937 eat?
The diet of the Streaked Orange - Hodges#4937 includes unknown but presumably sedges (Cyperaceae); larvae of the Eurasian species N. cilialis feed on Carex and Cladium sedges.
When is Streaked Orange - Hodges#4937 active?
Streaked Orange - Hodges#4937: seasonal activity - adults fly from May to August.
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