Pelenomus quadricorniger (Colonnelli, 1986)

on Persicaria

parasite

The 5-6 mm long yellowish green larvae live ectophagously at the undersides of the leaves; they often carry a lump of frass on the back. Pupation in a cocoon, made of secretion, on a leaf.

host plants

Polygonaceae, monophagous

Persicaria amphibia, dubia, lapathifolia.

distribution within Europe

(PESI, 2019).

larva

See Urban.

synonyms

Phytobius quadricornis (Gyllenhal, 1813).

references

Dieckman (1972a), Rheinheimer & Hassler (2010a), Urban (1914b).

mod 30.v.2019