Synonyms and other taxonomic changes
Syngrapha ignea (Grote, 1864)
Plusia ignea Grote, 1864
Caloplusia simulans McDunnough, 1944
* phylogenetic sequence #931223
forewing length 13-16 mm (Powell & Opler, 2009)(1)
wingspan 29-32 mm (E.H. Strickland Museum)
Northern Alaska south to southern California, east to Colorado and New Mexico (E.H. Strickland Museum; Eichlin & Cunningham, 1978(2)
Only European hosts are know. Larvae have been reared on blueberry (Vaccinium) and willow (Salix) (E.H. Strickland Museum).
S. alticola, which has darker, with a shorter stigma and a more zigzag terminal line. Other Syngrapha species with yellow hindwings (borea, orophila, microgamma) have mainly grey forewings and different stigmas. Autographa sansoni is larger and has pale yellow hindwings (E.H. Strickland Museum).
Eichlin, T. D. & H. B. Cunningham 1978. The Plusiinae (Lepidoptera: Noctuidae) of America north of Mexico, emphasizing genitalic and larval morphology. USDA Tech. Bulletin 1567: 1-122 (PDF
Grote, A. R. 1863. Additions to the catalogue of U.S. Lepidoptera. Proc. Ent. Soc. Philadelphia 2(3): 274
Lafontaine, J. D. & R. W. Poole, 1991. Moths of America North of Mexico, Fascicle 25.1: p.113; pl.3.28-30
Powell, J. A. & P. A. Opler 2009. Moths of Western North America, Pl.50.4f; p.279.