Food Plant: Rumex hydrolapathum (Water Dock), R.crispus (Curled Dock)

Egg: on the flower

Mine: August - June

Notes: Feeds on the seeds and then later moves to the stem to pupate, where it fixes itself (as shown). The case is 7-8mm long, being narrow, tubular and trivalved. Found in the Norfolk Broads, the coastal marshes of Suffolk and also in Co.Durham and East Sussex and Kent. Langdon (2024) discovered R.crispus as another host for this species.

National Status: pRDB1

Bradley No: 500

Data: 24.v.2010 Norfolk, VC27

Image:© Ken Saul

References:
Langdon WBV (2024)- Coleophora hydrolapathella (Hering, 1921) (Lep.:Coleophoridae) breeding on Rumex crispus L. in Southern England, Entomologist's Rec. J.Var 136(3) p107-118
Sherman N (2025) - Populations of Coleophora hydrolapathella (Hering, 1921) (Lep.: Coleophoridae) found breeding on Rumex crispus L. in coastal Suffolk, p7-11