Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar
Upcoming Events

Information, insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa


TaxonomyBrowse
Info
ImagesLinksBooksData

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

Yellow-Lined Angle - Digrammia mellistrigata Yellow-lined Angle - Hodges#6397 - Digrammia mellistrigata Geometridae: Digrammia mellistrigata - Digrammia mellistrigata Geometridae: Digrammia mellistrigata - Digrammia mellistrigata Yellow-lined Angle Digrammia mellistrigata Hodges#6397 - Digrammia mellistrigata Yellow-lined Angle - Hodges#6397 - Digrammia mellistrigata Geometridae: Digrammia mellistrigata - Digrammia mellistrigata Digrammia mellistrigata
Show images of: caterpillars · adults · both
Classification
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
6397
Synonyms and other taxonomic changes
formerly Semiothisa mellistrigata
Size
wingspan 21-25 mm
Identification
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
Range
Nova Scotia to New Jersey, west to Nebraska, north to Alberta
Season
adults fly from early May to late August (in Quebec)
Food
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
live adult image by Nolie Schneider, plus common name reference (Moth Photographers Group)
live adult image (Lynn Scott, Ontario)
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)