the insect pest american white butterfly, black-veined white, aporia crataegi or hyphantria cunea on the yellow flower

adult american animal antenna aporia biology black bloom bulgaria butterfly camouflage caterpillar chrysalis crataegi cunea district ecology entomology feature flower grass green harm hyphantria insect larva leaf macro marchaevo moths mountain nature parasite pest proboscis pupa sofia species stripe summer veined vitosha white wild wing yellow