Appearance
For a key to the terms used, see :Glossary of entomology terms.The wingspan is 35–42 mm. Forewing uniform brownish grey with a reddish tinge; stigmata concolorous, black edged; claviform narrow; orbicular variable, round, or flattened, sometimes prolonged to touch inner line; reniform with outer edge swollen in the middle, sometimes followed by a dark shade: hindwing a little paler. Form ''hippophaes'' [Geyer] is a grey form with the reddish tinge wanting; — ''helvetina'' Knaggs is a pale blurred form with obscure markings, and the fringe of hindwing pink.
Naming
*''Graphiphora augur augur''⤷ ''Graphiphora augur haruspica''
⤷ ?''Graphiphora augur sierrae''
⤷ ?''Graphiphora augur inopinatus''
Behavior
Adults are on wing from June to August depending on the location. There is one generation per year.The larva vary from purplish brown to greenish grey with a double row of whitish spots on the dorsum and oblique dark streaks; a dark brown blotch across segment 12, swollen at each end, and edged behind with pale. The larvae feed on various trees and shrubs, including ''Betula'', ''Salix caprea'', ''Salix phylicifolia'', ''Salix cinerea'', ''Populus tremula'', ''Populus balsamifera'', ''Ribes'', ''Rosa'' species .
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