Plant Parasites of Europe

leafminers, galls and fungi

Nemophora violellus

Nemophora violellus (Herrich-Schäffer, 1851)

on Gentiana

Nemophora violellus: cases in opened flower of Gentiana pneumonanthe

Gentiana pneumonanthe: two cases in a flower, after the corolla has been removed © Erik van Nieukerken (from Huisman ao, 2009a).


The young larvae, already in a case made out of plant material, feed within the flower on the ovary; later they live freely on the leaves.

host plants

Gentianaceae, monophagous

Gentiana cruciata, pneumonanthe.

distribution within Europe

(PESI, 2019).


Huisman & Koster (1996a [“violella”]), Huisman, Koster, van Nieukerken & Ellis (2009a), Huisman, Koster, van Nieukerken & Ulenberg (2001a, 2004a), Kurz (2016a), van Nieukerken (1993a).

Last modified 31.iii.2023