Preview Oak yellow underwing moth (Catocala nymphagoga), Bulgaria, EuropeFamily Noctuidae;Sub family Catocalinae; Image ID: 1001-127 Artist: Radoslav Radoslavov Valkov Purchase a commercial license Buy framed prints & more from our print store travel destination photography color image horizontal night outdoors nature natural world animals insects one insect close up close ups moth moths underwing underwings oak yellow oak yellow underwing oak yellow underwings catocala nymphagoga bulgaria europe noctuidae catocalinae