Species Details

Digrammia decorata

University of Alberta E.H. Strickland Entomological Museum Read more about this collection »

Common NameDecorated Granite SeasonalityAlberta records are for late May and August, possibly indicating two broods. IdentificationForewing uniform gray with a bold black AM and PM line and discal spot. Subterminal area shaded dark. Hindwing with faint discal spot and PM line. Very similar to the dark form of M. hebetata, but hebetata lacks the contrasting dark submarginal band distal to the PM line. Decorata also usually has a thin white area bordering the outer margin of the PM line of the hindwing, absent in hebetata.

Scientific Name Digrammia decorata Common Name Decorated Granite Habitat Prairie badlands. Seasonality Alberta records are for late May and August, possibly indicating two broods. Identification
Forewing uniform gray with a bold black AM and PM line and discal spot. Subterminal area shaded dark. Hindwing with faint discal spot and PM line. Very similar to the dark form of M. hebetata, but hebetata lacks the…
Forewing uniform gray with a bold black AM and PM line and discal spot. Subterminal area shaded dark. Hindwing with faint discal spot and PM line. Very similar to the dark form of M. hebetata, but hebetata lacks the contrasting dark submarginal band distal to the PM line. Decorata also usually has a thin white area bordering the outer margin of the PM line of the hindwing, absent in hebetata.
Life History The mature larva is green with paler lines and a yellow lateral stripe (McGuffin 1972). No other life history information is available. Conservation No obvious concern. Diet Info Larvae feed on willows (Salix spp.) (McGuffin 1972). Range Manitoba to BC, south to Utah (McGuffin 1972).

Citation

Page Citation for Digrammia decorata

Page Citation

"Digrammia decorata, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-4607. Accessed 29 Nov. 2021.

Taxonomic Hierarchy

Kingdom Animalia Phylum Arthropoda Class Hexapoda Subclass Insecta Order Lepidoptera Suborder Ditrysia Superfamily Geometroidea Family Geometridae Subfamily Ennominae Tribe Semiothisini Genus Digrammia Species Digrammia decorata
This hierarchy is created from our museum records, it may not always accurately reflect modern taxonomies.

Taxonomic Hierarchy for University of Alberta E.H. Strickland Entomological Museum