Papilio bachus belsazar (male)
 
Papilio bachus is a common butterfly from Neotropic ecozone (South America). The first description was in 1865 by C. & R. Felder. With a wingspan of 11.0 – 13.0 cm Papilio bachus is a big member of the family PAPILIONIDAE. The butterfly is black with big orange areas on wing. Hind wings have no tails.  The forewings are black. In the middle of wing there is a big orange area, which contains some black spots and veins.
The underside is a copy of upside, but the ground is dark brown.
The hind wings are black and have no tails. The margin is ridged. At the margin there is a chain of little yellowish spots. Adjacent of this there is a small orange band.
The underside is dark brown. At the margin there are a chain of little yellowish spots and one chain of teeny whitish spots. Adjacent of this there is an orange band. The body is black, but the underside is orange.
Sex differences: None Papilio bachus is a butterfly of the Neotropic ecozone (South America). The distribution enfolded Venezuela, Colombia, Ecuador, Peru, Bolivia. Papilio bachus is a butterfly of the family Papilionidae. It is found in South America, including Venezuela, Colombia, Ecuador, Peru, and Bolivia.