Plant Parasites of Europe

leafminers, galls and fungi

Andricus gemmicola

Andricus gemmicola Kieffer, 1901

on Quercus

Andricus gemmicola: gall

picture of the gall by Eady & Quinlan (1963a), based on material from the Vienna museum; no further details available.


Smooth, oval, 1 mm high bud scale, for 2/3 hidden by the bud scales, not deciduous; wasps emerging in summer (description based on Kieffer, 1901b). According to Houard the gall is green, thin-walled, and indeed deciduous.

host plants

Fagaceae, monophagous

Quercus petraea, pubescens, robur.

distribution within Europe

(PESI, 2018).


Although the species is treated as a valid one by (PESI, 2018), the reason for existence seems questionable. Based on the gall Eady & Quinlan locate the species next to Andricus quercuscorticis.


Dauphin & Aniotsbehere (1997a), Eady & Quinlan (1963a), Houard (1908a), Kieffer (1901b).

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