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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Butterflies and Moths (Lepidoptera) » Owlet Moths and kin (Noctuoidea) » Erebidae » Litter Moths (Herminiinae) » Idia » Common Idia - Hodges#8323 (Idia aemula)

Species Idia aemula - Common Idia - Hodges#8323

Classification · Hodges Number · Other Common Names · Synonyms and other taxonomic changes · Size · Identification · Range · Season · Food · See Also · Print References · Internet References · Works Cited

Hodges #8323 - Common Idia - Idia aemula

Show images of: caterpillars · adults · both

Classification

Kingdom Animalia (Animals)

Phylum Arthropoda (Arthropods)

Subphylum Hexapoda (Hexapods)

Class Insecta (Insects)

Order Lepidoptera (Butterflies and Moths)

Superfamily Noctuoidea (Owlet Moths and kin)

Family Erebidae

Subfamily Herminiinae (Litter Moths)

Genus Idia

Species aemula (Common Idia - Hodges#8323)

Hodges Number

8323

Other Common Names

called Waved Tabby in Europe

Synonyms and other taxonomic changes

Idia aemula Huebner, 1814

Size

wingspan 20-30 mm

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

Food

larvae eat dead leaves

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

Pacific Northwest Moths (2)

Moth Photographers Group (3)

adult images (Larry Line, Maryland)

pinned adult image (CBIF)

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)

Barcode of Life Data Systems (BOLD) (4)

Works Cited

1.	Field Guide to Moths of Eastern North America Charles V. Covell, Jr. 2005.

2.	Pacific Northwest Moths

3.	North American Moth Photographers Group

4.	BOLD: The Barcode of Life Data Systems

Contributed by Robin McLeod on 3 May, 2005 - 12:33am
Additional contributions by Mike Boone, cotinis, Maury Heiman, marcie oconnor
Last updated 22 June, 2018 - 3:18pm

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