LepidopteraCrambidae – Crambid Snout Moths

One-banded Pyrausta - Hodges#5068

Pyrausta unifascialis

This record describes Pyrausta unifascialis (species). Recorded family: Crambidae. Recorded order: Lepidoptera.

Identification and Appearance

One-banded Pyrausta - Hodges#5068 - Pyrausta unifascialis
Contributed by Robin McLeod; Additional contributions by Maury Heiman , Aaron Schusteff , Kyhl Austin

Adult: forewing brown with scattered black scales and whitish S-shaped band across subterminal area; diffuse white discal spot or patch, and partial pale terminal band that fades before reaching apex; hindwing dark gray with large white triangular discal patch; snout, head, and collar with orangish scales. Powell & Opler stated Populations in the north tend to have darker individuals, while those in southern California are paler Packard original description is available online. 261 .

Classification

Kingdom
Animalia
Phylum
Arthropoda
Class
Insecta
Order
Lepidoptera (Butterflies and Moths)
Superfamily
Pyraloidea
Family
Crambidae (Crambid Snout Moths)
Subfamily
Pyraustinae
Tribe
Pyraustini
Genus
Pyrausta

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

Habitat and Range

Habitat

Forest openings, clearings, fields were foodplant grows.

Geographic Range

California and Arizona to Yukon , east across Canada to Nova Scotia, south in the east to New Jersey and Illinois (absent from southcentral and southeastern states)

Seasonal Activity

Powell & Opler reported the flight period as April to August.

Diet and Behavior

Diet: Polyphagous ...larvae have been reported feeding on plants in a number of genera/families: pussytoes ( Antennaria , Asteraceae), beans ( Phaseolus , Fabaceae), buckwheats ( Eriogonum , Polygonaceae), and ground-smoke ( Gayophytum , Onagraceae)

Additional species information

Species notes from the sources

Etymology: UNIFASCIALIS : from the Latin "unis" (one) + "fascia" (band); refers to the whitish band across the forewing, and is the origin of the suggested common name One-banded Pyrausta

About Butterflies and Moths: the wider group

Order-level background for Lepidoptera, the group containing Pyrausta unifascialis. 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 One-banded Pyrausta - Hodges#5068 (5)

One-banded Pyrausta - Hodges#5068 - photo 1
Contributed by Robin McLeod; Additional contributions by Maury Heiman , Aaron Schusteff , Kyhl Austin
One-banded Pyrausta - Hodges#5068 - photo 2
Contributed by Robin McLeod; Additional contributions by Maury Heiman , Aaron Schusteff , Kyhl Austin
One-banded Pyrausta - Hodges#5068 - photo 3
Contributed by Robin McLeod; Additional contributions by Maury Heiman , Aaron Schusteff , Kyhl Austin
One-banded Pyrausta - Hodges#5068 - photo 4
Contributed by Robin McLeod; Additional contributions by Maury Heiman , Aaron Schusteff , Kyhl Austin
One-banded Pyrausta - Hodges#5068 - photo 5
Contributed by Robin McLeod; Additional contributions by Maury Heiman , Aaron Schusteff , Kyhl Austin

Photo credits: Contributed by Robin McLeod; Additional contributions by Maury Heiman , Aaron Schusteff , Kyhl Austin

Frequently Asked Questions About One-banded Pyrausta - Hodges#5068

What is One-banded Pyrausta - Hodges#5068?

One-banded Pyrausta - Hodges#5068 (Pyrausta unifascialis) is a species in the family Crambidae, within the order Lepidoptera.

How big is One-banded Pyrausta - Hodges#5068?

Powell & Opler listed the forewing length 10-14 mm.

How do you identify One-banded Pyrausta - Hodges#5068?

Adult: forewing brown with scattered black scales and whitish S-shaped band across subterminal area; diffuse white discal spot or patch, and partial pale terminal band that fades before reaching apex; hindwing dark gray with large white triangular discal patch; snout, head, and collar with orangish scales. Powell & Opler stated Populations in the north tend to have darker individuals, while those in southern California are paler Packard original description is available online. 261 .

Where is One-banded Pyrausta - Hodges#5068 found?
FeatureDetails
HabitatForest openings, clearings, fields were foodplant grows.
RangeCalifornia and Arizona to Yukon , east across Canada to Nova Scotia, south in the east to New Jersey and Illinois (absent from southcentral and southeastern states)
What does One-banded Pyrausta - Hodges#5068 eat?

The diet of the One-banded Pyrausta - Hodges#5068 includes Polyphagous ...larvae have been reported feeding on plants in a number of genera/families: pussytoes ( Antennaria , Asteraceae), beans ( Phaseolus , Fabaceae), buckwheats ( Eriogonum , Polygonaceae), and ground-smoke ( Gayophytum , Onagraceae).

When is One-banded Pyrausta - Hodges#5068 active?

One-banded Pyrausta - Hodges#5068: seasonal activity - Powell & Opler reported the flight period as April to August..

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

Photo credits: Contributed by Robin McLeod; Additional contributions by Maury Heiman , Aaron Schusteff , Kyhl Austin. Contributors retain copyright over their individual contributions.