Six-bar Swordtail (Pazala eurous): A butterfly of the genus Pazala in the family Papilionidae, and one of the world’s relatively rare butterfly species.

It has a wingspan of 60–70 mm. The markings on the forewings are black or pale black, with 10 transverse or oblique transverse bands. On the hindwings, there are 4 oblique markings extending obliquely from the costal margin to the anal angle region, including one along the outer margin, which converge into a large black patch at the tail projection connected with two small yellow spots.

There is a bluish-green crescent marking at the base of the tail projection; the tail projection is slender and elongated, with a yellowish-white tip.