title: Potanthus flavus
text: # Potanthus flavus
  
  Potanthus flavus is a butterfly of the family Hesperiidae. It is found from the Amur region of Russia to Japan, as well as in Thailand, the Philippines and China (Jilin, Hebei, Shandong, Hunan, Fujian and Yunnan).
  
  The wingspan is 27–30 mm.
  
  ## Subspecies
  
  * Potanthus flavus flavus
  * Potanthus flavus alcon Evans, 1932 (Thailand, Malaysia, Singapore)
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