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Species Page - Digrammia decorata
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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 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).

quick link
http://entomology.museums.ualberta.ca/searching_species_details.php?s=4607



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References (1)
Specimen Info
There are 21 specimens of this species in the online database
Map Distribution
Adult Seasonal Distributioncreate a collection histogram with specimens
Specimen List (21)
Related Links
Moth Photographers Group

 

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