Digrammia continuata
(Walker, 1862)
curve-lined angle
Digrammia continuata, commonly known as the curve-lined angle, is a in the Geometridae. It occurs across North America from New Brunswick to Florida, west to California and north to Manitoba. The species is part of a diverse of geometrid moths often referred to as "granite moths" or "angles."



Pronunciation
How to pronounce Digrammia continuata: /dɪˈɡræmiə kənˈtɪnjuˌɑːtə/
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 can be recognized by the characteristic wing patterns typical of the group. The "curve-lined angle" refers to distinctive curved lines on the wings. Similar species in the genus include Digrammia californiaria (California granite moth) and Digrammia muscariata, which may require close examination of wing pattern details for separation.
Images
Distribution
North America: recorded from New Brunswick to Florida, west to California and north to Manitoba. Present in Vermont.
Behavior
are attracted to ultraviolet light sources, as documented through blacklighting observations. They are and active during summer months.
Similar Taxa
- Digrammia californiariaBoth are geometrid moths in the same with similar "granite moth" appearance; D. californiaria is known to feed on Lotus and has been recorded in large numbers at blacklighting stations in California.
- Digrammia muscariataCongeneric with similar ; both have been recorded at blacklighting displays in the Davis, California area during Night events.
More Details
Taxonomic note
The basionym Anaitis continuata (Walker, 1863) reflects historical placement in a different before transfer to Digrammia.
Sources and further reading
- BugGuide
- GBIF taxonomy match
- iNaturalist taxon
- NCBI Taxonomy
- Catalogue of Life
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