Papilio zagreus bachus (female)
 
Papilio zagreus is a butterfly of the family Papilionidae (swallowtails). It is found in South America, including Venezuela, Colombia, Ecuador, Peru, Bolivia and western Brazil. A powerfully built insect with strong neuration in the forewing. The frons is either quite black or bears a yellow mesial line, never a yellow lateral streak along the eye. The antennae are long, yellow, with thin club; the frons has a yellow mesial stripe, the breast is diagonally streaked with yellow, the abdomen is for the most part yellow, the costal margin of the forewing is not dentate, the cell of the forewing is broad and the hindwing is rounded, without a tail. The spots of the forewing orange, the marginal ones yellow; hindwing orange, a marginal band enclosing a yellow submarginal spot, a basal subcostal area, a patch in the extremity of the cell, as well as several spots on the disc, black. The wingspan is 110–130 mm. Papilio bachus is a butterfly of the family Papilionidae. It is found in South America, including Venezuela, Colombia, Ecuador, Peru, and Bolivia.