Gall Inducer
Common Name
Name / Position of Gall
Psyllopsis fraxini
Psyllid
On leaves
Gall Inducer
Common Name
Name / Position of Gall
Acalitus stenaspis
Mite
Leaf roll
Aceria nervisequa
Mite
Pink tufts on leaves
Hartigiola annulipes
Midge
Pustule on leaf
Gall Inducer
Common Name
Name / Position of Gall
Acalitus rudis
Mite
On leaves
Anisostephus betulinus
Midge
On leaves
Semudobia betulae
Midge
Wing Gall
Taphrina betulina
Fungus
Witches' Broom
Gall Inducer
Common Name
Name / Position of Gall
Placochela nigripes
Midge
on flower buds
Gall Inducer
Common Name
Name / Position of Gall
Gymnosporangium clavariiforme
Fungus (rust)
Tongues of Fire
Gall Inducer
Common Name
Name / Position of Gall
Andricus curvator
Wasp (sexual)
On leaves
Andricus inflator
Wasp (agamic)
On twigs
Andricus quercusscalicis
Wasp
Oak Knopper Gall
Biorhiza pallida
Wasp
Oak Apple Gall
Heliozella sericiella
Moth
On twigs
Neuroterus albipes
Wasp (sexual)
Smooth Spangle Gall
Neuroterus anthracinus
Wasp (agamic)
Oyster G. / April-bud Gall
Neuroterus numismalis
Wasp (agamic)
Silk Button Gall on leaf
Neuroterus quercusbaccarum
Wasp (agamic)
Currant G. on catkin & leaf
Gall Inducer
Common Name
Name / Position of Gall
Eriophyes pyri
Mite
Pearlleaf Blister
Gall Inducer
Common Name
Name / Position of Gall
Aceria cephalonea
Mite
Sycamore Felt Gall
Aceria pseudoplatani
Mite
On leaves
Gall Inducer
Common Name
Name / Position of Gall
Iteomyia major
Midge
On leaves
Melampsora caprearum
Fungus
Rust on leaves
Phyllocolpa ssp.
Sawfly
Leaf fold
Pontania bridgmanii
Sawfly
On leaves
Gall Inducer
Common Name
Name / Position of Gall
Iteomyia major
Midge
on leaves
Gall Inducer
Common Name
Name / Position of Gall
Dasineura plicatrix
Midge
Blackberry Leaf Gall
Gall Inducer
Common Name
Name / Position of Gall
Asphondylia sarothamni
Midge
On pods
Asphondylia sarothamni (spring gen.)
Midge
On flower buds
Gall Inducer
Common Name
Name / Position of Gall
Blennocampa phyllocolpa
Sawfly
On leaves
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