 The wingspan ranges from .The larvae are diurnal, whereas the adults fly only at night, from October to December.When disturbed, adult moths tend to lower the head and abdomen, bringing the forewings forward to expose the large spots on the hindwings, which oscillate from side to side, giving the aggressor the impression that it is being watched by two large eyes (such as an owl), in an attempt to cause the aggressor to refrain from attacking.