Synonyms and other taxonomic changes
Dichrorampha sedatana (Busck, 1906)
Hemimene sedatana Busck, 1906
Hemimene plumbana of authors not Scopoli, 1763
Explanation of Names
Specific epithet from Latin meaning "allayed, calmed, appeased."
There are twelve named species of Dichrorampha
in America north of Mexico. (1)
Dichrorampha sedatana was formerly confused with the european species Dichrorampha plumbana Scopoli, 1763, a European species. It lacks the dorsal patch found if many other species in the genus. It has thin median and post median lines irrotated with black and yellowish brown scales useful in separating it from D. aeratana which lacks the black scales on the median lines, (Sabourin, 2009).
Holarctic: Alaska east across Canada, south to California, Idaho and Colorado. The range extends to the northeastern states. (3)
Occurs throughout Europe. (2)
Holotype collected in South Park, Colorado (Oslar
Moth Photographers Group
- large map with some distribution data.
Adults are most common from May through August based on Moth Photographers Group records.
Powell & Opler (2009) reports a June to July flight in western states. (2)
Larvae feed on the roots of Chrysanthemum vulgare
], common tansy. (2)
"lacks the black scales on the median lines", (Sabourin, 2009).
has a diffuse dorsal spot.
Busck, 1906. Notes on some Tortricid genera with description of new American species. Proceedings of the Biological Society of Washington. 17: 177
Gilligan, Wright & Gibson, 2008. Olethreutine Moths of the Midwestern United States. 171.280. (5)
Heinrich, C. 1926. Revision of the North American moths of the subfamilies Laspeyresiinae and Olethreutinae. Bulletin - United States National Museum No. 132. 15
Powell, J.A. & P.A. Opler 2009. Moths of Western North America. p. 141, pl. 16.52.(2)
Sabourin, M., 2009. First Report of Two Palearctic Dichrorampha (Lepidoptera: Tortricidae) Species for Vermont. VES News, 64: 9-10