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.

Description

The wingspan is 17–22 mm.

Taxonomy

This species was first described by Philogène Auguste Joseph Duponchel in 1834 and originally named Hydrocampa ramburialis.

Hosts

The larvae have been shown to feed on the water fern species Azolla filiculoides.