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Species Page - Stenoporpia separataria
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scientific name    Stenoporpia separataria    

habitat
Montane Douglas-fir forest.

seasonality
Adults fly in late June and early July.

identification
The mottled grey colour and pattern of the adults resembles tree bark. Black AM and PM lines, diffuse discal spot and median line. Similar to several other species in this group, including S. pulmonaria, Iridopsis larvaria and Anavitrinella pampinaria: S. separataria has a more crenulate, irregular PM line than pulmonaria, and flies earlier in the season; questionable identifications should be verified through genitalic dissection (see McGuffin 1977). I. Larvaria has a less elongated forewing shape and a broad dark band basal to black AM line which is faint or absent in pulmonaria. In Alberta, separataria is known only in the mountains from the Crowsnest Pass south, while larvaria is widespread. For genitalic differences, see McGuffin (1977). Adults of pampinaria have short male antennal pectinations (much longer in separataria) and a light contrasting band at the base of the abdomen that is absent in separataria.

life history
McGuffin (1977) gives a brief description of the larva and pupa.

conservation
Restricted distribution in AB, but widespread to the west.

diet info
Larvae feed on Douglas-fir (Pseudotsuga menziesii) (McGuffin 1977).

range
Southwestern AB and southern BC south to AZ and NM (McGuffin 1977).

quick link
http://entomology.museums.ualberta.ca/searching_species_details.php?s=4312



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Specimen Info
There are 1 specimens of this species in the online database
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