Aceria myriadeum

Cephaloneon myriadeum
Eriophyes macrochynchus cephaloneus
Eriophyes cephaloneus var aceriscampestris
Aceria aceriscampestris
Artacris cephaloneus var. aceris-campestris

Hosts: Acer campestre, Acer pseudoplatanus?

Relationship: Numerous cephaloneon galls on leaf surface

Range: England, Germany

Aceria cephalonea [junior synonym of Aceria myriadeum]

Cephaloneon myriadeum
Eriophyes macrorhynchus cephaloneus
Aceria macrorhyncha cephalonea

Hosts: Acer pseudoplatanus, campestre

Relationship: Numerous, tiny bead galls; small, reddened leaf pustules

Aceria macrorhyncha [junior synonym of Aceria myriadeum]

Cephaloneon myriadeum
Ceratoneon vulgare
Phytoptus macrorhynchus
Eriophyes macrorhynchus

Hosts: Acer pseudoplatanus, campestre, monspesulanum, opalus, heldreichii

Relationship: Slightly elongate leaf galls, Cephaloneon myriadeum Bremi. It is Ceratoneon vulgare Bremi on Acer pseudoplatanus according to Fockeu, 1891 (#2704), Nalepa 1929b. [The leaf is more or less covered with upright, mostly on the upperside, of horn-shaped or stool-shaped or barrel-shaped, green or more reddish protrusions with underside entrance, crater-formed, or closed with hairs.]; galls protruding through the lower surface