butterfly butterfly chrysalis butterfly pupa chrysalis common crow emmen emmen zoo Euploea core life cycle lifecycle Noorder Dierenpark pupa antenna eye fresh insect Lepidoptera New Papilio rhopalocera swallowtail tail wing black hang red suspend idea white dry emerge emerging expand invertebrate natural nature row series tropical animals caterpillar catirpel catirpeller closeup crawl creep crop destroy eat entomophagous furry green hairy India krayker larva larvae leaf macro moth moulting pattern pest pests phytophagous stemmata tubular worm