Polygonia c-aureum, the Asian comma, is a middle-size butterfly found in Japan (from Hokkaidō to Tanegashima), Korean Peninsula, China, Taiwan, and Indochina.

There is no data about harmful of this species. Don't forget to be careful.

It has a wingspan of 27 mm. Wings are orange with black dots. The undersides of the wings is mottled brown (tree bark like) with a shiny comma mark on the center of the hindwing. The main difference with other comma species is that it has blueish markings on the bottom of its hindwing.

P. c-aureum is common in suburban areas. It is not a threatened species. The larvae of the species feed on plants such as: Humulus japonicus, the Japanese hop.