Metanema brunneilinearia
Grossbeck, 1907
A geometrid described by Grossbeck in 1907, currently classified in the Metanema within Ennominae. The has been recorded in limited iNaturalist observations (14 records), suggesting restricted documentation or naturally low abundance. Taxonomic placement has been disputed, with GBIF listing it as a synonym under Synaxis.
Pronunciation
How to pronounce Metanema brunneilinearia: /mɛˈtænɪmə brʌˌniːlɪˈneərɪə/
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Identification
Distinguished from related Ennominae by pattern featuring linear markings (reflected in specific epithet 'brunneilinearia', meaning brown-lined). Separation from Synaxis requires examination of and patterns; definitive identification should reference original description and .
Distribution
North America; precise range undefined due to limited occurrence records. iNaturalist observations suggest presence in western United States, though specific localities require verification against voucher specimens.
Similar Taxa
- Synaxis brunneilineariaGBIF treats this as the accepted combination, placing the in Synaxis rather than Metanema; morphological differences between generic placements unclear without revisionary study.
- Metanema inatomariaCongeneric with potentially overlapping distribution; distinguished by pattern and male structure.
More Details
Taxonomic Uncertainty
The exhibits conflicting generic placement between major databases: Catalogue of Life and iNaturalist maintain Metanema, while GBIF treats it as a synonym under Synaxis. This discrepancy reflects unresolved generic limits within Ennominae and warrants taxonomic revision.