tropical silhouette butterflies set

animal art atlas attacus background big biology black blue bolina butterflies butterfly calligo collection danaus drawing drawn driada engraved engraving entomology exotic fly graphic hand hypolimnas idea illustration ink insect insects isolated leuconoe lowi memnon milkweed monarch moon morpho moth nature painting paper papilio peleides plexippus retro rice set silhouette sketch summer swallowtail tropical tropics vector vintage wild wing wings