Aceria achilleae (Corti, 1903)

on Achillea

Aceria achilleae: galls on Achillea millefolium

Achillea millefolium, Frankrijk, dép. Savoie, Bonneval-sur-Arc, Vallon de la Lenta, 2200 m absl. 3.viii.2019 © Pierre Duhem; galls were found exclusively in pink flowering plants.

Aceria achilleae: galls on Achillea millefolium

part of the inflorescence

Aceria achilleae: galls on Achillea millefolium

some galled capitula

Aceria achilleae: galls on Achillea millefolium

same locality, 8.viii.2019

Aceria achilleae: galls on Achillea millefolium

detail

gall

Parts of the inflorescence are turned into a dense, white-felty mass; the flower heads are partly or entirely greened.

host plants

Asteraceae, monophagous

Achillea erba-rotta subsp. moschata, millefolium, nana, nobilis, ochroleuca.

synonyms

Eriophyes achilleae.

references

Béguinot (2001a, 2002h, 2012a), Buhr (1964b), Dauphin & Aniotsbehere (1997a), Farkas (1965a), Hellrigl (2003a, 2006a), Houard (1909a), Ripka (2007a), Roskam (2019a), Tomasi (2003a).

mod 20.ix.2019