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Species Digrammia mellistrigata - Yellow-lined Angle - Hodges#6397

Yellow-Lined Angle - Digrammia mellistrigata Geometridae: Digrammia mellistrigata - Digrammia mellistrigata Geometridae: Digrammia mellistrigata - Digrammia mellistrigata Geometridae: Digrammia mellistrigata - Digrammia mellistrigata Yellow-lined Angle - Digrammia mellistrigata Yellow-lined Angle (Digrammia mellistrigata) - Digrammia mellistrigata Lépidoptère - Digrammia mellistrigata Digrammia mellistrigata
Show images of: caterpillars · adults · both
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Geometroidea (Geometrid and Swallowtail Moths)
Family Geometridae (Geometrid Moths)
Subfamily Ennominae
Tribe Macariini
Genus Digrammia
Species mellistrigata (Yellow-lined Angle - Hodges#6397)
Hodges Number
Synonyms and other taxonomic changes
formerly Semiothisa mellistrigata
wingspan 21-25 mm
forewing light to medium gray or brownish-gray with sparse speckling and conspicuous dark yellow AM and PM lines; PM line curves gently from inner margin toward apex, then bends sharply forward near costa before touching costa; AM line straight except for sharp forward bend near costa; dark solid discal spot fairly close to costa; variable dark shading bordering distal edge of PM line; terminal line a series of dark dots
hindwing slightly paler with distinct brownish PM line and discal spot
Nova Scotia to New Jersey, west to Nebraska, north to Alberta
adults fly from early May to late August (in Quebec)
larvae feed on leaves of willow (Salix spp.)
Life Cycle
two generations per year
See Also
Digrammia neptaria is similar but slightly larger, and has a more sinuous PM line, a hollow discal spot on the forewing, and an indistinct or missing PM line on the hindwing (compare images of both species)
Internet References
pinned adult image collected by Titian Peale in 1873, plus collection localities (The Titian Peale Butterfly and Moth Collection, Academy of Natural Sciences, Pennsylvania)
food plant; PDF doc plus flight season and life cycle (Macrolepidoptera of Mont Saint-Hilaire Region, McGill U., Quebec)
distribution in Canada list of provinces (CBIF)
presence in Nebraska - 1 record from 1995 [search on "mellistrigata"] (Lepidopterists Season Summary, U. of Florida)