37 mm
Regional distr. - legend
- Local names
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Language Vernacular name 
English (US)Henry's Marsh Moth English (US)Marsh Dagger
- Synonyms and other combinations
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Latin name Author Simyra henrici Grote, 1873
- Links
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Language Website Authors 
North American Moth Photographers Group Pacific Northwest Moths
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 | Extinct |
 | Extinct in the wild |
 | Critically endangered |
 | Endangered |
 | Vulnerable |
 | Near Threatened |
 | Least Concern |
 | Lower Risk |
 | Legally protected |
 | CITES |