Rhopalomyia achillearum Kieffer, 1913
A leaf bud is enlarged and transformed into a multilocular, lignified subglobular gall. The had is densely white-hairy and wrapped in some malformed and abnormally hairy leaves. Inside red larvae or pupae.
Achillea ochroleuca, pseudopectinata.
distribution within Europe
Rhopalomyia achilleae Trotter, 1901, homonym.
Gagné & Jaschhof (2014a), Houard (1909a), Skuhravá, Skuhravý & Neacsu (1972a).