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Oxyna parietina · margasparnė

  • Clouded Wormwood Fly
  • Beifuß-Bohrfliege
  • Bijvoetboorvlieg

The larvae bore into the stems of Mugwort (Artemisia) and is the cause of galls, usually rather weak swelling of the stem, dependent on the number of larvae (boring maggots) present. Confusion is possible with Campiglossa misella.