Notes: Abundant. The larval cases are indistinguishable from those of C.glaucicolella, which apparently replaces the current species on the coast; recorded from soft rush Juncus effusus and heath rush J.squarrosus, and less often from hard rush J.inflexus and jointed rush J.articulatus.

Flightime guide
J	F	M	A	M	J	J	A	S	O	N	D