Aceria macrochela

op Acer

Acer campestre, Amsterdam, Buitenveldert

Acer campestre, Amsterdam, Buitenveldert

onderzijde

underside

verticale doorsnede

vertical section

Acer campestre, Nieuwendam: soms is de binnenwand ingestulpt

Acer campestre, Nieuwendam: sometimes the inner wall is invaginated

modif. 28.xi.2009