Diasemiopsis_ramburialis
Diasemiopsis ramburialis
Species of moth
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.[2]
The wingspan is 17–22 mm.[2] Adults are speckled grey or brown, with two broad ragged white lines across each wing.[3]
The larvae feed on the water fern species Azolla filiculoides.[4]