Gentianella germanica, Belgium, prov Namur, Nismes, RN les Abannets © Stéphane Claerebout

gall

In Swertia a short-oval to fusiform, up to 6 mm long gall in the petiole or the lower part of the stem; in Gentianella a rotund, barrel shaped or fusiform, up to 8 mm long stem gall. Larvae from mid-June to early September. Pupation in the soil; emergence after 2-3 weeks.

host plants

Gentianaceae, monophagous

Gentianella ciliata, germanica; Swertia perennis.

synonyms

Smicronyx seriepilosus: Buhr, 1952a.

synonyms

The species is not mentioned in the Fauna Europa (2014), not in the synonymy either.

references

Benedikt, Borovec, Fremuth, ao (2010a), Buhr (1052a, 1964c, 1965a), Dieckmann (1986a, 1990a), Rheinheimer & Hassler (2010a), Voß (1953a), Yunakov, Nazarenko, Filimonov & Volovnik (2018a).