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Species Page - Crambidia casta
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scientific name    Crambidia casta    

common name     Pearly Lichen Moth

Dry, open woodlands, especially jack pine and montane forests. Also found in prairie riparian woods.

Peak flight period in August.

Members in this genus are superficially similar to the grass moths (Pyralidae: Crambinae), but these generally have some markings on the forewing, and have conspicuously long palpi. There are several species of leaf-rollers (Tortricidae) that are very similar, but have a pointed forewing apex and are smaller than Crambidia. C. impura is smaller than casta, and is light grey in colour, not white. Their ranges are currently not known to overlap in Alberta.

life history
No information available.

diet info

Quebec west to B.C., south to Arizona.

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References (1)
Specimen Info
There are 190 specimens of this species in the online database
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Adult Seasonal Distributioncreate a collection histogram with specimens
Specimen List (190)
Related Links
Moth Photographers Group


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