Pelenomus quadrituberculatus (Fabricius, 1787)

on Fallopia, Persicaria, Polygonum

parasite

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.

host plants

Polygonaceae, narrowly oligophagous

Fallopia convolvulus; Persicaria hydropiper, lapathifolia, maculosa. Polygonum aviculare.

distribution within Europe

(PESI, 2019).

synonyms

Phytobius quadrituberculatus.

references

Dieckmann (1972a), Nilsson (2005b), Rheinheimer & Hassler (2010a).

mod 3.vi.2019