Andricus quercuscalicis (Burgsdorf, 1783)
development of the agamous generaration
gall, early August
the gall, pulled out of the cupula
the “stalk” of the gall has pushed itself between cupula and acorn
the gall is attached to the cupula, next to the attachment of the acorn
the gall chamber, still quite small, is located in the “stalk”.
other specimen, autumn aspect. The gall chamber has grown proportionally.
the acorn has been overgrown and aborted.