Hodges#11003.1

Noctua pronuba

Classification

Pronunciation

How to pronounce Noctua pronuba: //ˈnɒk.tʃu.ə proʊˈnuː.bə//

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Images

Huismoeder rups (Noctua pronuba) by Rasbak. Used under a CC BY-SA 3.0 license.
Large Yellow Underwing (Noctua pronuba), Baltasound - geograph.org.uk - 4165332 by Mike Pennington . Used under a CC BY-SA 2.0 license.
Huismoeder (Noctua pronuba) rups by Rasbak. Used under a CC BY-SA 3.0 license.
Noctua pronuba01 by wikipedia. Used under a Attribution license.
Noctua pronuba larva by Jacy Lucier. Used under a CC BY-SA 4.0 license.
Noctua pronuba caterpillar - Keila by Ivar Leidus. Used under a CC BY-SA 4.0 license.

Summary

Noctua pronuba, the Greater Yellow Underwing, is a moth known for its striking color patterns and considerable pest status, particularly during its larval stage. First introduced to North America in 1979, it has since expanded its range significantly, adapting well to various environments despite its agricultural impacts.

Physical Characteristics

Wingspan of 50–60 mm. Forewings vary from light brown to dark brown, grayish, or orangish, often with a pale streak along the costa. Hindwings are bright orange-yellow with a black sub-terminal band. Larvae are green or brown with two rows of black dashes along the back.

Identification Tips

Adults can be identified by their yellow hindwings with a black terminal band and variable forewings which can be light brown to dark brown with distinct patterns.

Habitat

Typically found in gardens and crops as the larvae are known garden pests. Also inhabits various open areas throughout their range.

Distribution

Native to Eurasia, introduced into North America at Nova Scotia; spread throughout much of the northeastern United States and parts of Canada since the 1980s.

Diet

Larvae feed on a variety of crops and vegetables, along with grasses. Known to cause damage to herbaceous plants by cutting them at the base.

Life Cycle

The species overwinters as a larva, feeding intermittently during mild winter days before pupating in the spring.

Reproduction

Details on specific reproductive habits are not provided.

Predators

Attracted to light, they also attract a variety of predators, including birds and bats, who may hunt them at night.

Ecosystem Role

Significant as both a pest in agricultural areas and a food source for their natural predators.

Economic Impact

The larval stage is considered a garden pest, causing damage to crops and home gardens.

Collecting Methods

  • Light traps
  • Netting during night flight

Preservation Methods

  • Freezing
  • Drying
  • Pinning specimens

Misconceptions

These moths are often confused with other similar species, but key differences in wing patterns can help distinguish them.

Tags

  • moth
  • Noctuidae
  • pest
  • larvae
  • biogeography