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Species Idaea dimidiata - Single-dotted Wave - Hodges#7126

Window moth -- top - Idaea dimidiata Idaea dimidiata - male Idaea dimidiata Single-dotted Wave - Idaea dimidiata Single-dotted Wave (7126) - Idaea dimidiata Scopula cacuminaria ? - Idaea dimidiata Moth? - Idaea dimidiata Single-dotted Wave - Idaea dimidiata
Show images of: caterpillars · adults · both
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Geometroidea (Geometrid and Swallowtail Moths)
Family Geometridae (Geometrid Moths)
Subfamily Sterrhinae
Tribe Sterrhini
Genus Idaea
Species dimidiata (Single-dotted Wave - Hodges#7126)
Hodges Number
Other Common Names
Dotted Wave
Synonyms and other taxonomic changes
Idaea dimidiata (Hufnagel, 1767)
Phylogentic Sequence # 910535
wingspan 18-20 mm
Specimens identified by DNA analysis:

New England, southeastern Canada, northwestern US, and British Columbia
a holarctic species, native to Europe
damp areas such as wet woods and riverbanks
On Block Island, RI, adults fly mainly June and July, with a paertial second generation flying in August and September.(1)
Introduced from Europe - no information could be found regarding date or location
See Also
Several species in the genus Scopula may look very similar. Check out the shape of the PM lines and also the shape of the outer margin of the hind-wings.
In the south-eastern range, check out Scopula aemulata. The PM line is not smoothly curved.

The Large Lace-border Moth - Scopula limboundata has a slightly pointed hind-wing and a variable amount of a dark patch or dark banding, beyond the PM line. The PM line is not smoothly curved.