Polygonum small-leaved knotgrass

Dichotomous table for leafminers

The classical genus Polygonum has been split into Bistorta Fallopia (incl. Reynoutria), Persicaria, and Polygonum.

1a mine small; irregular corridor or blotch, usually with a round hole at either end; older larve live free, causing window feeding: Hypera rumicis

1b eventually a large blotch, without holes; larva remains in the mine till shortly before pupation: Mantura rustica

1c gallen etc => Tabellen voor alle parasieten per soort

Not included in the key: Apterona helicoidella; Chrysoesthia drurella; Cnephasia lineata; Liriomyza trifolii.

mod 6.x.2018