Pelenomus quadrituberculatus (Fabricius, 1787)
on Fallopia, Persicaria, Polygonum
The yellowish white larvae feed ectophagously at the undersides of the leaves. They carry a lump of frass on the back. Pupation in a cocoon, its inside lined with secretion, in the soil.
Polygonaceae, narrowly oligophagous
distribution within Europe
Dieckmann (1972a), Nilsson (2005b), Rheinheimer & Hassler (2010a).