Synonyms and other taxonomic changes
Tortrix diana Hübner, [1822]
Coccyx decorana Zetterstedt, 1839
Choreutes dianalis Treitschke, 1835 (emend.)
Amphisa luridana Walker, 1863
Choreutis diana luridana (Walker, 1863), new stat.
Simaethis vicarialis Zeller, 1876
Simaethis vicarilis Dyar, 1900 (missp.)
Orchemia diana var. betuliperda Dyar, 1902, n. syn. of luridana (Walker) (Heppner 2024)
Explanation of Names
Choreutis diana (Hübner, [1822]) is a Holarctic species represented in North America by Choreutis diana luridana (Walker, 1863), new stat. (Heppner 2024). This subspecies includes as a synonym Choreutis betuliperda (Dyar, 1902), a name originally described as a variety of diana, in Heppner (2024).
Identification
Adult: FW mottled, often with some green or bluish-green visible ● AM black, strongly jagged, broadest at costa, shadowed distally by pale greenish to white ● Median area is pale to dark olive/olive brown ● PM black, often only visible as two sharp black teeth ● PM area is mottled cream with brown to olive ● ST black and sometimes very distinct ● Terminal line is usually reddish brown with a thin dark brown outer border ● Fringe is pale greyish with dark brown at the anal angle, middle, and apex
Range
North America and Europe. Considered native.
Type locality (diana): [Germany?].
Type locality (decorana): Dalecarlia, Finland.
Type locality (luridana): "St[a]. Martin's Falls", Albany R., [Ontario], Canada.
Type locality (vicarialis): "Maine or Mass." - syn. of C. d. luridana (Walker).
Type locality (va. betuliperda): Platt Cyn., Denver, Colorado.
Food
Alnus and Betula species. Past report for other hostplants are apparently to be unsupported.
Remarks
Color variation may be hostplant derived. See Heppner (2024).
Print References
Heppner, J.B., 2024. Nearctic Metalmark Moths, 8. Genus Choreutis (Lepidoptera: Choreutidae: Choreutinae). Lepidoptera Novae, 17(1-2): 57-82.
Internet References
Moth Photographers Group – images of live and pinned adults
BOLD Systems - images of pinned DNA supported specimens