beautiful swallowtail dark green butterfly on white background, female kaiser-i-hind

kaiserihind female teinopalpus imperialis papillionidae swallowtail nepal vietnam thailand india doi pha hom pok chiang dao mai butterfly endanger protected animal wild wings papilio moth swordtail expedition rare emperor rarity scales iridescence green hindwing upper conservation cites himalaya tree sunlight vegetation distinguish colorful jade flying insect light freedom nature natural dried dehydrated