Commas and question marks….on other Polygonia species and subspecies.. Polygonia butterflies (subfamily Nymphalinae, tribe Nymphalini) are usually referred to as i) commas or ii)  question marks, based on the white punctuation marks on the ventral sides of their hindwings They are also called anglewings because of the pronounced angular shape of their wing margins (see below). The … Continue reading Commas and question marks