Digrammia curvata
(Grote, 1880)
Shaded Granite Moth
Digrammia curvata, known as the shaded granite moth, is a of geometrid described by Grote in 1880. It belongs to the diverse Digrammia, which includes several species commonly referred to as 'granite moths' due to their mottled, stone-like wing patterns. The species is recorded from both Central America and North America, with confirmed distribution records from Canadian provinces including Alberta and Saskatchewan.



Pronunciation
How to pronounce Digrammia curvata: /dɪˈɡræmiə ˈkɜrvətə/
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
As a member of the Digrammia, this likely exhibits the characteristic granite-like wing patterning typical of the group, though specific diagnostic features distinguishing it from such as Digrammia muscariata and Digrammia californiaria are not documented in the provided sources. The 'shaded granite' suggests darker or more pronounced shading compared to related species.
Images
Distribution
Central America and North America. Confirmed records from Alberta and Saskatchewan, Canada.
Behavior
are attracted to ultraviolet light sources, as evidenced by blacklighting records for at monitoring events.
Similar Taxa
- Digrammia muscariataBoth are geometrid moths in the Digrammia with similar 'granite' and are recorded at the same blacklighting events, requiring careful examination to distinguish.
- Digrammia californiariaAnother congeneric 'granite moth' with overlapping geographic range and similar preferences; the two have been confused in field observations.
More Details
Taxonomic History
Originally described as Phasiane curvata by Grote in 1880 before transfer to the Digrammia.
Collection Codes
Recorded with MONA number 910784 and Hodges number 6370 in North American lepidopteran databases.
Sources and further reading
- BugGuide
- Wikipedia
- GBIF taxonomy match
- iNaturalist taxon
- NCBI Taxonomy
- Catalogue of Life
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