Montana Field Guide

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Home - Other Field Guides
- Kingdom - Animals - Animalia
  - Phylum - Spiders, Insects, and Crustaceans - Arthropoda
    - Class - Insects - Insecta
      - Order - Butterflies / Moths - Lepidoptera
        
        Family - Owlet Moths / Miller Moths - Noctuidae
        
        Species - Bronzed Cutworm Moth - Nephelodes minians

Bronzed Cutworm Moth - Nephelodes minians

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Native Species

Global Rank: G5
State Rank: SNR

Agency Status
USFWS:
USFS:
BLM:

External Links

General Description

The Nephelodes minians wingspan is about 40 mm. The forewing ground color is extremely variable, and ranges from light tan/yellowish, to pinkish, rosy, rusty, grayish, or various shades of brown. A dark U-shaped band surrounds the reniform spot medially.

The Nephelodes minians larvae head is large, and is colored tan to honey. The larvae body is thick, dark brown with a bronzy sheen. There are three yellowish dorsal stripes that extend along body (Powell and Opler, 2009).

Phenology

Nephelodes minians adults fly from July to October (Powell and Opler, 2009).

Range Comments

The Nephelodes minians ranges throughout North America except Florida (Powell and Opler, 2009).

Observations in Montana Natural Heritage Program Database

Number of Observations: 19

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Relative Density

Recency

(Observations spanning multiple months or years are excluded from time charts)

Food Habits

The Nephelodes minians larvae feed on grasses, including cereal crops and corn (Powell and Opler, 2009).

References

Literature Cited AboveLegend: View Online Publication
- Powell, J.A. and P.A. Opler. 2009. Moths of Western North America. University of California Press, Berkeley, CA. 369 pp.
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Citation for data on this website:
Bronzed Cutworm Moth — Nephelodes minians. Montana Field Guide. Montana Natural Heritage Program. Retrieved on April 20, 2024, from https://FieldGuide.mt.gov/speciesDetail.aspx?elcode=IILEYJV010