rule 34 2017 ambient arthropod ambient firefly ambient insect animal genitalia animal penis anthro arthropod balls beach beetle bobcat brown body duo elateroid equid equine equine genitalia equine penis erection felid feline firefly frottage fur genitals humanoid genitalia humanoid penis insects jewelry lynx male malemale mammal necklace necklace only no swift nude outside palm tree penis plant rider xenophon seaside sex spots spotted body spotted fur sunset tree unguligrade water wilebobcat 9226568