Common NamePearly Lichen MothSeasonalityPeak flight period in August.IdentificationMembers 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.
Scientific NameCrambidia castaCommon Name
Pearly Lichen Moth
Habitat
Dry, open woodlands, especially jack pine and montane forests. Also found in prairie riparian woods.
Seasonality
Peak flight period in August.
Identification
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…
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
Lichens.
Range
Quebec west to B.C., south to Arizona.
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Citation
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Page Citation for Crambidia casta
Page Citation
"Species Details - Crambidia casta, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-191. Accessed 07 Sep. 2024.
References
AuthorSchmidt, B. C.
TitleThe tiger moths (Arctiidae) of Alberta.
Publication Date2000
Pages36
Specimen Information
There are 180 specimens of this Species.
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180 results plotted on map in 77 markers. Note: Only records with latitude and longitude coordinates are plotted on map.