common bluebottle butterfly blue triangle in greenish blue wing feeding on wet muddy ground

animal asia beautiful blue bluebottle bright brown bug butterfly closeup color colorful common creation detail environment fauna feeding forewing graphium green greenish ground group hindwing insect khao korat muddy nakhon natural nature orange outdoor pattern ratchasima sarpedon soil southeast spots subspecies summer swallowtail thailand triangle upperside view wet wild wing yai