Coleophoridae

37.018 Water Dock Case-bearer Coleophora hydrolapathella Hering, 1921

pRDB1

Similar species:

Forewing: 5.5 to 6mm

Habitats: Coastal marshes and fens.

Habits: The moth inhabits wetland areas where the foodplant is present.

Foodplant: The larva feeds from a dark purple-brown case boring into the seeds of Water Dock. It overwinters with the case spun almost flat to a plant stem. The final narrow, tubular, trivalved case is 7 to 8mm long. It pupates on a dead stem of the foodplant.