Identification of mustard sawfly

  • The adult fly is orange colored with a blackhead. 
  • Mustard sawfly larvae feed on the leaves of rapeseed and mustard making holes. mustard sawflySometimes they eat up the entire lamina of the leaf leaving behind the midribs.
  •  It appears in the month of October and its peak season of activity is in November. 
  • The population disappears suddenly at the onset of winter.
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