On light in my bedroom. See list of similar species at Bugguide (http://bugguide.net/node/view/8338) which lists as other possibilities: Confused Eusarca (Eusarca confusaria) forewing discal dot situated about half-way between AM and PM lines, not close to AM line (compare images of both species at CBIF), the short upper section of its PM line (near costa) is missing or faint, and overall color is usually pale tan or light brown Curve-toothed Geometer (Eutrapela clemataria) hindwing outer margin is scalloped or wavy, not rounded Large Maple Spanworm (Prochoerodes lineola) outer margins of wings angular (not rounded) with shallow point near middle, and short upper section of forewing PM line curves outward, not inward (compare images of all four species at CBIF) Rose Hooktip (Oreta rosea) brown form has wavy or irregular PM line on hindwing, not straight as in Juniper Geometer (see photo at CBIF) species of Oxydia have black patches in upper (not lower) subterminal area of hindwing (see photos by Bob Belmont at MPG) species of Synaxis and Tetracis have a completely straight PM line on forewing, not hooked near costa