@Love Osr ( inaturalist.org )
Scientific Name : Lamproptera curius
Family : Papilionidae
Order : Lepidoptera
Class : Insecta
Phylum : Arthropoda
Habitat : Waterfalls, hill tracts
Description : Wings black-brown. Upperside of forewing with a perpendicular white band and transparent apical tips. Upperside of the hindwings black-brown with a wide white streak and white edges. Hindwings end in prolonged tails as long as the rest of the body. Underside similar to upperside.
Distribution in Bangladesh