Caterpillar species. Latin name: Apatura iris Sallow Description: Green with two horns, yellow stripes. Central southern England
The Purple Emperor (Apatura iris) is a species of butterfly of the brush-footed butterflies (Nymphalidae) family, noted for its iridescent, metallic, violet-blue sheen which occurs on the wings of the male. It is found in damp, deciduous forests in the vicinity of streams, rivers and ponds where it settles on tree foliage overhanging the water.
[n] - large European butterfly the male of which has wings shaded with purple
Apatura iris noun large European butterfly the male of which has wings shaded with purple