An annotated list of the Lepidoptera of Alberta, Canada Author Pohl, Greg Northern Forestry Centre, Natural Resources Canada, Edmonton ,, Canada Author Anweiler, Gary University of Alberta Strickland Entomology Museum ,, Canada Author Schmidt, Christian Canadian Food Inspection Agency, Ottawa, Canada Author Kondla, Norbert Calgary ,, Canada text ZooKeys 2010 2010-03-05 38 38 1 549 journal article 10.3897/zookeys.38.383 aa97d560-1969-4b79-93bb-2614b7835c0e 1313–2970 576629 Operophterini 1322 R H Epirrita autumnata (Borkhausen, 1794) M Sep m B – T: Skou (1986) L: Bowman (1951) , Prentice (1963) , Pohl et al. (2004b) C: CNC, NFRC, UASM 1323 * R Epirrita undulata (Harrison, 1942) L Aug – M Sep M – – L: Bowman (1951) C: CNC, OLDS, PMAE, UASM 1324 * R Operophtera bruceata (Hulst, 1886) L Sep – L Oct m B g Bruce Spanworm T: Troubridge and Fitzpatrick (1993) L: Bowman (1951) , Prentice (1963) , Ives and Wong (1988), Troubridge and Fitzpatrick (1993) , Pohl et al. (2004b) C: CNC, NFRC, OLDS, PMAE, UASM