Persicaria maculosa, Zalk © Arnold Grosscurt

gall

small, sometimes discoloured bump at the upperside of a leaf, with in the corresponding underside depression a flattened larva. Unilvoltine; hibernates as imago in conifers.

host plants

Polygonaceae, monophagous

Persicaria amphibia, dubia, hydropiper, lapathifolia, maculosa.

synonyms

Aphalara polygoni auct. nec Förster.

references

Baugnée, Burckhardt & Fassotte (2002a), Burckhardt (2002a), Burckhardt & Freuler (2000a), Burckhardt & Lauterer (1997a), Hodkinson (2009a), Jerinić-Prodanović (2010a), Malenkovský & Lauterer (2012a), Ossiannilsson (1992a [“A. polygoni”], Seljak (2006a), Tomasi (2014a [“A. polygoni”]).