title: Diasemiopsis ramburialis
text: # Diasemiopsis ramburialis
  
  Diasemiopsis ramburialis is a moth of the family Crambidae. It occurs in most of Europe and the tropics, including the Azores, Fiji, New Zealand and Australia. It is scarce migrant in Britain.
  
  The wingspan is 17–22 mm. Adults are speckled grey or brown, with two broad ragged white lines across each wing.
  
  The larvae feed on the water fern species Azolla filiculoides.
  
  