title: Helina reversio
text: # Helina reversio
  
  Helina reversio is a fly from the genus Helina, in the family Muscidae. It is a common and variable fly.
  
  ## Biology
  
  Larvae are found in cow dung, rotting tree stumps, old hornet's nests, and moss.
  
  ## Distribution
  
  North America, Many parts of Europe, Northern Asia as far east as Japan.
  
  * Helina reversio male
  