Hainault Forest Website

Written, Designed and with Photographs by © Brian Ecott

Species List

Plant Galls 2016-

NAME

GALL

SCIENTIFIC NAME

GROUP

2016        

Bracken

Pinnule roll gall

Chirosia grossicauda

Mining fly

Male fern

Frond knotting gall

Chirosia betuleti

Mining fly

Broad buckler fern

Frond knotting gall

Chirosia betuleti

Mining fly

Lesser celandine

Yellow blisters leaf/stalk

Urocystis ficariae

Smut fungus

Small leaf elm

Pustules

Aceria ulmicola

Mite

25/05
Leaf roll Eriosoma patchiae Aphid

Wych elm

Bag gall

Eriosoma lanuginosum

Aphid

         
Leaf roll Eriosoma patchiae Aphid
Fig gall Tetraneura ulmi Aphid

Common nettle

Orange gall under leaf

Puccinia urticata

Rust fungus

 

Leaf & petiole pouch gall

Dasineura urticae

Midge

Beech

Nail gall

Hartigiola annulipes

Midge

 

Leaf edge roll

Acalitus stenapsis

Mite

Leaf vein erineum Aceria nervisequa Mite 25/05

 

Erineum under leaf

Aceria nervisequa

Mite

Pedunculate oak

Swollen tip of twig

Andricus inflator (sexual)

Gall wasp

 

Lateral bud gall

Andricus inflator (asexual)

Gall wasp

 

Oak apple

Biorhiza pallida (sexual)

Gall wasp

30/04

 

Midrib thickened, distorted

Andricus curvator (sexual)

Gall wasp

25/05
Bud gall Andricus curvator (asexual) Gall wasp

 

Marble gall

Andricus kollari (asexual)

Gall wasp

Cotton wool gall Andricus quercusramuli Gall wasp

 

Artichoke gall

Andricus foecundatrix (asexual)

Gall wasp

 

Bud & catkin gall

Andricus foecundatrix (sexual)

Gall wasp

Bud gall Andricus malpighii Gall wasp

 

Currant gall

Neuroterus quercusbaccarum (sexual)

Gall wasp

30/04

 

Common spangle gall

Neuroterus quercusbaccarum (asexual)

Gall wasp

 

Silk button gall

Neuroterus numismalis (asexual)

Gall wasp

Small Leaf blister gall Neuroterus numismalis (sexual) Gall wasp

 

Catkin gall

Neuroterus aprilinus (politus) (asexual)

Gall wasp

Bud gall Neuroterus politus (sexual) Gall wasp
Catkin gall Neuroterus quadrilineatus (asexual) Gall wasp

 

Knopper gall

Andricus quercuscalicis (asexual)

Gall wasp

 

Striped pea gall

Cynips longiventris (asexual)

Gall wasp

 

Cherry gall

Cynips quercusfolii (asexual)

Gall wasp

 

Ramshorn gall

Andricus aries (asexual)

Gall wasp

 

Pea gall

Cynips divisa (asexual)

Gall wasp

 

Cola nut gall

Andricus lignicolus (asexual)

Gall wasp

 

Smooth spangle gall

Neuroterus albipes (asexual)

Gall wasp

 

Bud gall

Andricus solitarius (asexual)

Gall wasp

 

Chambered gall on petiole

Andricus quercusradicis (sexual)

Gall wasp

Truffle gall Andricus quercusradicis (asexual) Gall wasp

 

Oyster gall on midrib

Neuroterus anthracinus (sexual)

Gall wasp

 

Bud gall

Andricus corruptrix (sexual)

Gall wasp

Bud gall Andricus corruptrix (asexual) Gall wasp

 

Leaf lobe fold down gall

Macrodiplosis dryobia

Midge

25/05

 

 Leaf roll down between lobes

Macrodiplosis volvens

Midge

 

Stem swelling

Heliozela sericella

Caterpillar

 

Acorn gall

Andricus grossulariae (asexual)

Gall wasp

Hedgehog gall Andricus lucidus (asexual) Gall wasp
Barnacle gall Andricus testaceipes (asexual) Gall wasp
Pimple on leaf Trioza remota Plant louse 25/05

Turkey oak

Gooseberry gall

Andricus grossulariae (sexual)

Gall wasp

25/05

 

Catkin gall

Andricus quercuscalicis (sexual)

Gall wasp

Bud gall Andricus kollari (sexual) Gall wasp
Bud gall Andricus lignicola (sexual) Gall wasp
Acorn gall Callirhytis erythrocephala
Anemone gall Neuroterus saliens (sexual) Gall wasp 25/05
Leaf & petiole gall Neuroterus saliens (asexual) Gall wasp
Holm oak Leaf erineum and bulge Mite

Silver birch

Seed gall

Semudobia betulae

Midge pupa

Big bud gall Acalitus calycophthirus Mite
Erineum with bulge Acalitus rudis Mite
Erineum Eriophyes leionotus / lissonotus  ● Mite

 

Seed gall

Semudobia tarda

Midge pupa

Root gall Agrobacterium tumefaciens Soil Bacteria

Common alder

Angle vein gall

Eriophyes inangulis

Mite

25/05
Bulge on leaf Acalitus brevitarsus Mite
Rounded pouches1-2mm on leaf Eriophyes laevis Mite 25/05

Hornbeam

Leaf-vein crinkle

Aceria macrotrichus

Mite

 

Swollen midrib

Zygobia carpinus

Midge

 

Galls in midrib/vein angle

Aceria tenella

Mite

Hazel

Big bud gall

Phytoptus avellanae

Mite

03/05

Spear-leaved orache

Midrib swollen/leaf curl

Hayhurstia atriplicis

Aphid

Sheep's sorrel Midrib swollen Apion rubens Beetle

Common lime

Gall in vein angle

Eriophyes exilis

Mite

25/05

 

Pointed nail gall

Eriophyes tiliae

Mite

25/05

 

Yellow blisters on leaf

Eriophyes leiosoma

Mite

25/05
Distinct blister on leaf 3-4mm Phytoptus erinotes Mite 25/05
Leaf edge rolled up Dasineura tiliae Midge 25/05
Leaf edge thinly rolled up or down Phytoptus tetratrichus Mite 25/05
Petiole gall Contarinia tiliarum Midge 25/05
Blunt nail galls Aceria lateannulatus Mite 25/05

Small leaved lime

Blunt nail galls

Aceria lateannulatus

Mite

25/05

 

Yellow blisters on leaf

Eriophyes leiosoma

Mite

25/05

 

Leaf edge rolled up

Dasineura tiliae

Midge

Common dog violet Swellings of leaf and stem Puccinia violae Fungus

White poplar

Swollen stem

Gypsonoma aceriana

Caterpillar

Grey poplar

Swollen stem

Gypsonoma aceriana

Caterpillar

Aspen

Red pea gall

Harmandia tremulae

Midge

 

Leaf base gall

Eriophyes diversipunctatus +

Mite

Leaf roll gall Dasineura populeti Midge
Small bulges with erineum below Phyllocoptes populi Mite
Bulge on leaf Taphrina populina Fungus
Swollen petiole Contarinia petioli Midge
Small pouch rounded and conical Lasioptera populnea Midge
Balsam poplar Bulge on leaf Taphrina populina Fungus 25/05

Black poplar

Spiral gall on petiole

Pemphigus spyrothecae

Aphid

 

 

Bulge on leaf

Taphrina populina

Fungus

25/05

 

Leaf fold gall

Thecabius affinis

Aphid

 

Globular midrib gall

Pemphigus populi

Aphid

 

Pouch gall

Pemphigus bursarius

Aphid

Midrib pouch gall Pemphigus populinigrae Aphid

Crack willow

Bean gall

Pontania proxima

Sawfly

Edge of leaf gall Aculus magnirostris Mite
Terminal leaves gall Rabdophaga terminalis Midge
Rosette gall Rabdophaga rosaria Midge
Very small rounded pustule on leaf Aceria tetanothrix Mite

White willow

Bean gall

Pontania proxima

Sawfly

 

Rosette gall

Rabdophaga rosaria

Midge

         
Edge of leaf gall Aculus craspedobius Mite
Very small rounded pustule on leaf Aceria tetanothrix Mite
Terminal leaves gall Rabdophaga terminalis Midge

Goat willow

Pustules with opening under

Iteomyia capreae

Midge

Catkin gall in stem Virus
Rosette gall Rabdophaga rosaria Midge
Hairy pea gall under leaf Eupontania pedunculi Sawfly
Bean gall Pontania bridgmanii Sawfly
Abnormal gall on stem ? Viral or Mycoplasma
Grey sallow Pustules with opening under Iteomyia capreae Midge          
  Leaf edge rolled down Rabdophaga marginemtorquens Midge          
Eared willow Pustules with opening under Iteomyia capreae Midge          
  Leaf edge rolled down Rabdophaga marginemtorquens Midge          
Growth on stem  ? Phytoplasma  ?virus  
Dimple under leaf with nymph Troiza albiventris Psyllid nymph
Charlock Swollen buds and stem Albugo candida White rust

Bramble

Swollen stem gall

Lasioptera rubi

Midge

Raised bulge on leaf Eriophyes rubicolens Mite

Raspberry

Swollen stem gall

Lasioptera rubi

Midge

Creeping cinquefoil

Stem gall underground

Xestophanes potentillae

Gall wasp

Wood avens Bulges with erineum on underside Cecidophyes nudus Mite

Dog rose

Orange stem gall

Phragmidium tuberculatum

Rust fungus

25/05

 

Pea gall

Diplolepis sp.

Gall wasp

 

Robinís pincushion

Diplolepis rosae

Gall wasp

 

Leaf roll gall

Blennocampa phyllocolpa

Caterpillar

 

Sputnik gall

Diplolepis nervosa

Gall wasp

 

Leaf fold pod gall

Wachtliella rosarum

Midge

Field rose

Robinís pincushion

Diplolepis rosae

Gall wasp

Almond

Red thick curled leaves

Taphrina deformans

Fungus

Blackthorn

Pustules mainly on leaf edge

Eriophyes prunispinosae

Mite

25/05

 

Pustules mainly on midrib

Eriophyes padi

Mite

 

Pocket plums

Taphrina pruni

Fungus

25/05        
Leaf roll downwards Micronematus monogyniae Sawfly

Wild plum

Leaf edge pustules

Eriophyes similis

Mite

Pocket plums Taphrina pruni Fungus 30/04
Bird cherry Pocket plum Taphrina padi Fungus

Rowan

Yellow pustules on leaflets

Eriophyes sorbi

Mite

Pear

Red pustules on leaf

Eriophyes pyri

Mite

 

Leaf spot, swollen underneath

Gymnosporangium sabinae

Rust fungus

Crab apple Erineum Phyllocoptes malinus Mite

Wild apple

Lumps swelling on stem

Eriosoma lanigerum

Woolly aph.

Leaf roll Dasineura mali Midge

Common whitebeam

Yellow pustules on leaf

Eriophyes arianus

Mite

Wild service tree

Yellow pustules on leaf

Eriophyes torminalis

Mite

Common hawthorn

Leaf edge roll

Phyllocoptes goniothorax

Mite

25/05

 

Raised pocks on leaf

Eriophyes crataegi

Mite

 

Button top gall

Dasineura crataegi

Midge

Red leaf fold Dysaphis crataegi   Aphid
Robinia Leaflet rolled under Obolodiplosis robiniae Gall midge
Dwarf gorse Stem gall Eutrichapion scutellare Beetle larva
Rosebay Willow herb Leaf edge roll down Dasineura kiefferiana Midge

Enchanterís nightshade

Stem and leaves galled

Puccinia circaeae

Rust fungus

Spindle

Leaf edge roll

Eriophyes convolvens

Mite

Purging buckthorn

Leaf edge rolled upwards

Trichochermes walkeri

Plant louse

Pimples on leaf, pit underneath Trioza sp. Psyllid nymph

Field maple

Small red pustules

Aceria aceriscampestris

Mite

25/05

 

Large yellow pustules

Aceria macrochelus

Mite

 

White erineum under leaf

Aceria eriobius

Mite

25/05
Misshapen fruits To be determined

Sycamore

Red pustules on leaf

Aceria macrorhynchus

Mite

25/05

 

Felt galls

Aceria pseudoplatani

Mite

25/05

Silver maple

Red pustules

Vasates quadripedes

Mite

25/05        

Cow parsley

Swollen petioles/leaf pustules

Puccinia chaerophylli

Rust fungus

 
Wild Carrot Swollen fruit galls Kiefferia pericarpiicola Midge  

Ground ivy

Lighthouse galls

Rondaniola bursaria

Midge

Ash

Leaflet edge rolled down

Psyllopsis fraxini

Plant louse

25/05

 

Key galls

Aceria fraxinivorus

Mite

 

Leaflet midrib gall

Dasineura fraxini

Midge

25/05

 

Pod gall

Dasineura acrophila

Midge

One leaved ash Veltheimii

Leaf edge rolled down

Psyllopsis fraxini

Plant louse

25/05

 

Midrib gall

Dasineura fraxini

Midge

 

Pod gall

Dasineura acrophila

Midge

Single-leafed ash Diversifolia

Leaf edge rolled down

Psyllopsis fraxini

Plant louse

Pod gall Dasineura acrophila Midge
Midrib gall Dasineura fraxini Midge

Wood speedwell

Pits on leaf

Puccinia veronicae

Rust fungus

Cleavers

Leaf roll

Cecidophyes galii

Mite

25/05

Elder

Leaflet edge rolled up

Epitrimerus trilobus

Mite

Daisy Fungal gall on leaf Puccinia distincta Rust fungus

Creeping thistle

Swollen stem gall

Urophora cardui

Gall fly

Spear thistle Urophora stylata Gall fly

Dandelion *

Stem and leaf distorted

Protomyces pachydermus

Fungus

Perennial sow thistle

Yellow pustules on leaf

Cystiphora sonchi

Midge

Groundsel

Swollen leaf and stem

Puccinia lagenophorae

Rust fungus

Common ragwort Swollen flower head and bracts  Contarinia jacobaeae  Midge

 

NOTES

New for 2016 in RED

  Needs breeding out to confirm

*  Taraxacum pseudohamatum

+  Not found since August 1977

 

 

 

 

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