Montana Field Guide

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Montana Field Guides

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 - Rosey Dart - Diarsia rosaria

Rosey Dart - Diarsia rosaria

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Native Species

Global Rank: G5
State Rank: SNR

Agency Status
USFWS:
USFS:
BLM:

External Links

General Description

The Rosey Dart (Diarsia rosaria) forewing is red-brown often with the discal cell black between the discal spots. The wingspan is 33 mm (Powell and Opler 2009).

Diagnostic Characteristics

The similar species Diarsia esurialis has a forewing that is yellow, orange, or pink-lavender, often with the discal cell black between the discal spots (Powell and Opler 2009).

Range Comments

Abundant and widely distributed in wet conifer forests of western North America (Powell and Opler 2009).

Observations in Montana Natural Heritage Program Database

Number of Observations: 16

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Relative Density

Recency

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

Food Habits

The larvae feed on grasses (Powell and Opler 2009).

Stewardship Responsibility

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:
Rosey Dart — Diarsia rosaria. Montana Field Guide. Montana Natural Heritage Program. Retrieved on November 23, 2024, from https://FieldGuide.mt.gov/speciesDetail.aspx?elcode=IILEYLC060