An uncommon species in Belgium.

The larva feeds on Salicornia on the fleshy spikes and seeds, giving no evidence of its presence. When the larva is in its last instar, it makes a case. During autumn the case drops to the mud surface, it leaves the case and digging into the mud were it makes a silk-lined tube, overwintering fully-fed.

The adults fly in one generation a year; from mid July till August. The adults come to light.