Digrammia atrofasciata
(Packard, 1876)
Broad-lined Angle
Digrammia atrofasciata is a of geometrid described by Alpheus Spring Packard in 1876. It belongs to the Geometridae, commonly known as inchworm or geometer moths. The species is found in North America and has been documented through over 2,700 observations on iNaturalist. Like other members of its , it is a species attracted to ultraviolet light sources.

Pronunciation
How to pronounce Digrammia atrofasciata: /dɪˈɡræmiə ˌætroʊfæsiˈɑːtə/
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Images
Distribution
North America. The has been recorded as present across this range, with observational data supporting its occurrence throughout the continent.
Behavior
. The has been observed at ultraviolet light displays used for collecting and monitoring, indicating attraction to artificial light sources at night.
Similar Taxa
- Digrammia muscariataBoth belong to the same Digrammia and have been documented at the same blacklighting events in California, requiring close examination for proper identification.
- Digrammia californiariaAnother congeneric frequently encountered at the same locations and light-trapping events; specimens may be confused without detailed morphological comparison.
More Details
Taxonomic History
Originally described by Alpheus Spring Packard in 1876. The has been assigned MONA/Hodges number 6368 in North American classification systems.
Observation Frequency
As of the available data, iNaturalist records over 2,700 observations of this , indicating it is relatively well-documented among North American geometrid moths.
Sources and further reading
- BugGuide
- Wikipedia
- GBIF taxonomy match
- iNaturalist taxon
- Catalogue of Life
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