Sympistis amenthes
Troubridge, 2008
Sympistis amenthes is a noctuid described in 2008, known from a restricted range in the western United States. It occurs at moderate elevations on the east slope of the Cascade Range and adjacent areas. The has a relatively small wingspan and a brief period in early autumn. It is one of many recently described species in the taxonomically complex Sympistis.
Pronunciation
How to pronounce Sympistis amenthes: /sɪmˈpɪstɪs əˈmɛnˌθiːz/
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Identification
No published diagnostic characters distinguishing S. amenthes from are available in the provided sources. Identification likely requires examination of genitalia and comparison with type material or keys for Pacific Northwest Sympistis.
Appearance
Wingspan 28–36 mm. Forewings and hindwings typical of noctuid ; specific coloration and pattern details not described in available sources.
Habitat
Montane and submontane areas on the east slope of the Cascade Range; elevations 800–1,700 m. Specific vegetation associations not documented.
Distribution
Western North America: Washington, Oregon, and northwestern Nevada. Range restricted to the east slope of the Cascade Range and immediately adjacent areas.
Seasonality
active in September; single period inferred from limited data.
Similar Taxa
- Sympistis speciesNumerous occur in western North America; S. amenthes likely distinguished only by subtle morphological features and geographic range.
More Details
Taxonomic recency
Described in 2008; among the more recently named in a undergoing active revision.