Whilst on the Fungus Foray I was moonlighting looking for plant galls. This is a quick listing of what I found (sorry only one photo):
On
Silver Maple. A gall caused by the mite
Vasates quadripedes. First seen in Britain in 2002.
On
Pedunculate Oak. Galls caused by gall wasps (Cynipidae) included: Knopper on acorn cups; Marble, Cola-nut and Artichoke galls on buds; Common Spangle, Silk-button and Oyster galls on the undersides of leaves. Also a few leaves with one lobe turned over by the larvae of the gall midge
Macrodiplopsis pustulans (=
M. dryobia).
On
Beech. Mite galls with hairy patches (erinea):
Aceria fagineus (on lowerside of leaf) and
A. neruisequus (along vein on upperside of leaf). Gall midge
Hartigiola annulipes, which causes cylindrical galls on the upperside of the leaf.
On (Common)
Lime. Nail galls caused by mites,
Eriophyes tiliae, and possibly
Aceria lateannulatus. A mite erineum on lowerside of leaves (either
Phytoptus abnormis or
Eriophyes leiosoma, not seperable in the field). Gall midge
Didyomomyia tiliacea, making woody pustules on leaves.
On
Alder. A blister caused by a ascomycete,
Taphrina sp.
On
Sycamore. Mite erinea on underside of leaves, caused by
Aceria pseudoplatani.
On
Box. Galled by rust
Puccinia buxi.
On
Nettle. Gall midge
Dasineura urticae.
poschiavanus
Linear Mode
