Merrill, it never occurred to me that the C. centrostrigaria were sexually dimorphic. A quick search of "female centrostrigaria" led me to Lynn Scott's page http://www.acleris.com/dls/07416.html and the female is dead on for the middle photo--the whiter of the three. Thanks! At least I know I'm not going crazy . . . :) Lori On Sun, Jan 8, 2012 at 3:51 PM, Merrill Lynch <jmerrilllynch@xxxxxxxxx> wrote: > Lori, I've struggled with these as well so don't feel bad! The female O. > obstipata is easy to recognize with the liver brown color and contrasting > white discal spots. The males are another story. O. obstipata generally has > more concolorous wings usually showing a sharp black am band and a distinct > blackish oblique shade to the apex. Centrostrigaria has distinct blackish am > band and similar pm band on costal half only. > > I actually think you may have both spp--the top one is obstipata male and the > bottom two centrostrigaria females. But there is obviously a lot of > variation and I'm by no means certain. Have you seen any obstipata females? > Look at the plates in Covell. > > J. Merrill Lynch > Echo Valley Farm > Watauga County, NC > 3,400 feet elevation > Sent from my iPad > > On Jan 8, 2012, at 2:41 PM, Lori Owenby <loriowenby@xxxxxxxxx> wrote: > >> Man this is turning out harder than I remembered! I now think all >> three of these are #7414 Orthonama obstipata--The Gem. They are all >> so different and yet I keep coming back to this species. I've been >> looking ALL day! Help! Please . . . :) >> >> I was originally looking at Euphyia intermediata for the one that is >> more white--but I just don't think the pm line is toothed enough . . . >> . . >> >> -- >> ----- >> Lori Owenby >> St. Stephens/Riverbend Park Ranger >> Catawba County Parks >> Conover, NC >> >> "The Constitution only guarantees the American people the right to >> pursue happiness. You have to catch it yourself." ~Benjamin Franklin >> <Copy of DSCF8341.jpg> >> <Copy of DSCF8346.jpg> >> <Copy of DSCF8348.jpg> -- ----- Lori Owenby St. Stephens/Riverbend Park Ranger Catawba County Parks Conover, NC "The Constitution only guarantees the American people the right to pursue happiness. You have to catch it yourself." ~Benjamin Franklin