Digrammia gnophosaria

(Guenée, [1858])

Hollow-spotted Angle

Digrammia gnophosaria, commonly known as the hollow-spotted angle, is a of geometrid native to central and eastern North America. The species was first described by Guenée in 1858 and was originally placed in the Tephrina before being transferred to Digrammia. Larvae have been documented feeding on Salix species, including Salix babylonica.

Digrammia gnophosaria by no rights reserved, uploaded by Robbie Hannawacker. Used under a CC0 license.

Digrammia gnophosaria 1 by Jacy Lucier. Used under a CC BY-SA 4.0 license.

Digrammia gnophosaria P1580752a by
xpda. Used under a CC BY-SA 4.0 license.

Pronunciation

How to pronounce Digrammia gnophosaria: //dɪˈɡræmiə ɡnoʊfoʊˈseɪriə//

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Images

Distribution

Illinois, Louisiana, Minnesota, New Jersey, North Carolina, Oklahoma, Texas, and Wisconsin. Distribution records also indicate presence in Vermont.

Diet

Larvae feed on Salix , including Salix babylonica (weeping willow).

Host Associations

Salix babylonica - larval food plantweeping willow
Salix - larval food plant-level association

Similar Taxa

Digrammia muscariataBoth are Digrammia in the Geometridae with similar wing patterns; D. gnophosaria can be distinguished by its specific spot pattern referenced in the 'hollow-spotted angle'
Digrammia californiariaBoth are Digrammia with similar overall appearance; D. californiaria is primarily western in distribution while D. gnophosaria occurs in central and eastern states

More Details

Original Description

First described as Tephrina gnophosaria by Guenée in 1858, later transferred to the Digrammia.

iNaturalist Observations

The has accumulated 3,913 observations on iNaturalist, indicating it is moderately well-documented by citizen scientists.