Other Common Names
called Waved Tabby in Europe
Synonyms and other taxonomic changes
described in 1813 by Hubner
Identification
Adult: forewing reniform spot large, pale, conspicuously contrasting against ground color of wing; lines thin and not obviously thicker/darker at costa; dark shading in median area (if present) does not touch proximal edge of PM line at inner margin
Range
most of North America and Eurasia
Season
adults fly from May to October in the north; April to November in the south
See Also
American Idia (
I. americalis) forewing has heavy dark marks along costa
Toothed Idia (
I. denticulalis) forewing dark patch in median area touches proximal edge of PM line at inner margin, and reniform spot is small and indistinct (
compare images of both species at CBIF)
also see images of
ten other Idia species at MPG
Print References
Covell, p. 322, plate 41#12
(1)Internet References
live adult image and other info (John Himmelman, Connecticut)
adult images (Larry Line, Maryland)
live adult image (Lynn Scott, Ontario)
live and pinned adult images by various photographers (Moth Photographers Group)
common name reference plus flight season and larval food (Ohio State U.)
distribution in Canada list of provinces of occurrence (U. of Alberta, using CBIF data)