calliteara pudibunda pale tussock or meriansborstel yellow fluffy caterpillar crawling on white achillea millefolium

achillea animal background beautiful beauty blossom blue butterfly calliteara caterpillar climb climbing closeup crawl cute dasychira edge flora flower fluffy furry hairy insect invertebrate larva larvae lepidoptera lepidopterous lovely lymantriidae macro millefolium natural nature outdoor pilose plant pudibunda shaggy sky spring summer texture top tussock white wild wildlife worm yarrow yellow