Aculus kerneri (Nalepa, 1894)

on Gentiana, Gentianella

gall

Parts of the plants are are modified in a compact bunch, with shortened branches and reduced and malformed leaves; the flowers are greened and disfigured, parts may have been changed into leaves.

hostplants

Gentianaceae, narrowly oligophagous

Gentiana acaulis, asclepiadea, nivalis, utriculosa, verna; Gentianella amarella, campestris, germanica, tenella.

synonyms

Aceria, Eriophyes, kerneri.

references

Buhr (1964b,c), Farkas (1963a), Hellrigl (2003a), Houard (1909a), Jočić & Petanović (2012a), Redfern & Shirley (2011a), Roskam (2009a), Tomasi (2014a), Weidner (1954a).

mod 20.ix.2019