Rhinoncus albicinctus Gyllenhal, 1837
on Persicaria
parasite
The larvae bore in the submerged part of the stem, one in each internode. Here they also pupate.
host plants
Polygonaceae, narrowly monophagous
Persicaria amphibia.
The submerged form only!
distribution within Europe
references
Delbol (2013a), Dieckmann (1972a), Rheinheimer (1994a), Rheinheimer & Hassler (2010a).