Hainault Forest Website

Written, Designed and with Photographs by © Brian Ecott

Species List

Plant Galls 2011-2015

NAME

GALL

SCIENTIFIC NAME

GROUP

2011 2012 2013 2014 2015

Bracken

Pinnule roll gall

Chirosia grossicauda

Mining fly

Male fern

Frond knotting gall

Chirosia betuleti

Mining fly

04/06 09/08 25/05

Broad buckler fern

Frond knotting gall

Chirosia betuleti

Mining fly

27/08 28/09 05/06 12/05 23/05

Lesser celandine

Yellow blisters leaf/stalk

Urocystis ficariae

Smut fungus

16/04 04/05 01/05

Small leaf elm

Pustules

Aceria ulmicola

Mite

27/04 31/05 03/06 02/05 16/05
Leaf roll Eriosoma patchiae Aphid 18/07

Wych elm

Bag gall

Eriosoma lanuginosum

Aphid

         
Leaf roll Eriosoma patchiae Aphid 21/06 02/08 03/06 25/05 30/05
Fig gall Tetraneura ulmi Aphid

Common nettle

Orange gall under leaf

Puccinia urticata

Rust fungus

17/05

 

Leaf & petiole pouch gall

Dasineura urticae

Midge

12/10 02/08 01/09 07/07 31/07

Beech

Nail gall

Hartigiola annulipes

Midge

27/08 10/08 26/10 27/06 27/06

 

Leaf edge roll

Acalitus stenapsis

Mite

27/04 18/05 17/06 02/05 23/05
Leaf vein erineum Aceria nervisequa Mite 31/05 05/06 23/05 23/05

 

Erineum under leaf

Aceria nervisequa

Mite

27/08 05/06 23/05 15/05

Pedunculate oak

Swollen tip of twig

Andricus inflator (sexual)

Gall wasp

 

 

Lateral bud gall

Andricus inflator (asexual)

Gall wasp

27/08 07/06

 

Oak apple

Biorhiza pallida (sexual)

Gall wasp

27/04 11/05 05/05 14/04 19/04

 

Midrib thickened, distorted

Andricus curvator (sexual)

Gall wasp

27/04 12/05 04/06 22/04 16/05
Bud gall Andricus curvator (asexual) Gall wasp 18/10

 

Marble gall

Andricus kollari (asexual)

Gall wasp

25/07 10/08 14/08 06/06 18/07
Cotton wool gall Andricus quercusramuli Gall wasp

 

Artichoke gall

Andricus foecundatrix (asexual)

Gall wasp

25/07 22/06 18/07

 

Bud & catkin gall

Andricus foecundatrix (sexual)

Gall wasp

Bud gall Andricus malpighii Gall wasp 04/09

 

Currant gall

Neuroterus quercusbaccarum (sexual)

Gall wasp

11/05 05/05 16/04 26/04

 

Common spangle gall

Neuroterus quercusbaccarum (asexual)

Gall wasp

25/07 10/08 13/08 09/08  09/08

 

Silk button gall

Neuroterus numismalis (asexual)

Gall wasp

25/07 30/07 13/08 17/07 20/08
Small Leaf blister gall Neuroterus numismalis (sexual) Gall wasp 27/05 02/05 04/06

 

Catkin gall

Neuroterus aprilinus (politus) (asexual)

Gall wasp

13/05 04/05
Bud gall Neuroterus politus (sexual) Gall wasp
Catkin gall Neuroterus quadrilineatus (asexual) Gall wasp 31/05 14/04

 

Knopper gall

Andricus quercuscalicis (asexual)

Gall wasp

25/07 06/08 12/08 09/08 28/07

 

Striped pea gall

Cynips longiventris (asexual)

Gall wasp

21/06 18/07

 

Cherry gall

Cynips quercusfolii (asexual)

Gall wasp

06/08 01/09 30/09 31/07

 

Ramshorn gall

Andricus aries (asexual)

Gall wasp

25/07 21/07 13/08 18/06 24/06

 

Pea gall

Cynips divisa (asexual)

Gall wasp

27/08 22/06 24/06

 

Cola nut gall

Andricus lignicolus (asexual)

Gall wasp

27/08 10/08 15/06 28/07

 

Smooth spangle gall

Neuroterus albipes (asexual)

Gall wasp

27/08 05/09 13/08 09/08 03/09

 

Bud gall

Andricus solitarius (asexual)

Gall wasp

27/08 18/10

 

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

27/08 10/08 13/08 09/06 03/09

 

Bud gall

Andricus corruptrix (sexual)

Gall wasp

Bud gall Andricus corruptrix (asexual) Gall wasp

 

Leaf lobe fold down gall

Macrodiplosis dryobia

Midge

21/06 02/06 22/07 16/05 17/05

 

 Leaf roll down between lobes

Macrodiplosis volvens

Midge

31/05 22/06 23/05

 

Stem swelling

Heliozela sericella

Caterpillar

 

Acorn gall

Andricus grossulariae (asexual)

Gall wasp

25/07 13/08  13/08 03/09
Hedgehog gall Andricus lucidus (asexual) Gall wasp 27/08 28/09 02/10  01/09
Barnacle gall Andricus testaceipes (asexual) Gall wasp
Pimple on leaf Trioza remota Plant louse 01/06 02/06 27/05 18/06 27/05

Turkey oak

Gooseberry gall

Andricus grossulariae (sexual)

Gall wasp

27/04 12/05 26/05 22/04 16/05

 

Catkin gall

Andricus quercuscalicis (sexual)

Gall wasp

26/05
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 27/04 11/05 13/05 22/04 28/04
Leaf & petiole gall Neuroterus saliens (asexual) Gall wasp 25/07 30/07 13/08 14/07  09/08
Holm oak Leaf erineum and bulge Mite 07/11 21/07 15/04 18/07

Silver birch

Seed gall

Semudobia betulae

Midge pupa

Big bud gall Acalitus calycophthirus Mite 01/06
Erineum with bulge Acalitus rudis Mite 01/06
Erineum Eriophyes leionotus / lissonotus  ● Mite 27/04 02/06 18/06 12/05

 

Seed gall

Semudobia tarda

Midge pupa

Root gall Agrobacterium tumefaciens Soil Bacteria

Common alder

Angle vein gall

Eriophyes inangulis

Mite

06/06 05/06 20/05 28/05
Bulge on leaf Acalitus brevitarsus Mite 27/08 06/06 06/06
Rounded pouches1-2mm on leaf Eriophyes laevis Mite 05/06 20/05

Hornbeam

Leaf-vein crinkle

Aceria macrotrichus

Mite

01/06 10/08 06/06 04/05 21/05

 

Swollen midrib

Zygobia carpinus

Midge

27/04 21/05

 

Galls in midrib/vein angle

Aceria tenella

Mite

09/05 30/05

Hazel

Big bud gall

Phytoptus avellanae

Mite

27/04 11/05 16/04 16/05 23/05

Spear-leaved orache

Midrib swollen/leaf curl

Hayhurstia atriplicis

Aphid

21/06 15/08
Sheep's sorrel Midrib swollen Apion rubens Beetle 21/06 06/06

Common lime

Gall in vein angle

Eriophyes exilis

Mite

02/06 27/05 28/07

 

Pointed nail gall

Eriophyes tiliae

Mite

27/08 31/05 31/05 17/05 21/05

 

Yellow blisters on leaf

Eriophyes leiosoma

Mite

27/04 02/06 27/05 28/04 02/05
Distinct blister on leaf 3-4mm Phytoptus erinotes Mite 03/06
Leaf edge rolled up Dasineura tiliae Midge 21/05
Petiole gall Contarinia tiliarum Midge 24/06 06/06 27/06
Blunt nail galls Aceria lateannulatus Mite 02/06 21/06 17/05 18/07

Small leaved lime

Blunt nail galls

Aceria lateannulatus

Mite

27/04 31/05 21/05

 

Yellow blisters on leaf

Eriophyes leiosoma

Mite

27/04 31/05 15/05

 

Leaf edge rolled up

Dasineura tiliae

Midge

Common dog violet Swellings of leaf and stem Puccinia violae Fungus 27/04

White poplar

Swollen stem

Gypsonoma aceriana

Caterpillar

Grey poplar

Swollen stem

Gypsonoma aceriana

Caterpillar

Aspen

Red pea gall

Harmandia tremulae

Midge

18/07

 

Leaf base gall

Eriophyes diversipunctatus +

Mite

Leaf roll gall Dasineura populeti Midge
Small bulges with erineum below Phyllocoptes populi Mite 27/08 13/06 04/06 04/05 03/09
Bulge on leaf Taphrina populina Fungus 31/05 27/06
Swollen petiole Contarinia petioli Midge 21/05 20/05
Small pouch rounded and conical Lasioptera populnea Midge 06/06 20/05 24/06
Balsam poplar Bulge on leaf Taphrina populina Fungus

Black poplar

Spiral gall on petiole

Pemphigus spyrothecae

Aphid

27/04 21/07 31/05 07/06 01/07

 

Bulge on leaf

Taphrina populina

Fungus

31/05 01/07 17/05 04/06

 

Leaf fold gall

Thecabius affinis

Aphid

19/06 17/06 07/06 28/05

 

Globular midrib gall

Pemphigus populi

Aphid

19/06 31/05 14/05

 

Pouch gall

Pemphigus bursarius

Aphid

21/06
Midrib pouch gall Pemphigus populinigrae Aphid 19/06 01/07 07/06

Crack willow

Bean gall

Pontania proxima

Sawfly

01/06 31/05 05/06 17/05 28/05
Edge of leaf gall Aculus magnirostris Mite 27/08 07/06 18/07
Terminal leaves gall Rabdophaga terminalis Midge
Rosette gall Rabdophaga rosaria Midge 27/08 01/09 09/08 28/07
Very small rounded pustule on leaf Aceria tetanothrix Mite 05/06` 01/06 18/07

White willow

Bean gall

Pontania proxima

Sawfly

21/06 31/05 05/06 28/04 28/05

 

Rosette gall

Rabdophaga rosaria

Midge

21/06 07/09 02/08 09/08 18/07
Edge of leaf gall Aculus craspedobius Mite 27/08 07/06 01/07
Very small rounded pustule on leaf Aceria tetanothrix Mite 27/08 07/06 17/05 18/07
Terminal leaves gall Rabdophaga terminalis Midge

Goat willow

Pustules with opening under

Iteomyia capreae

Midge

01/06 21/07 31/06 29/05
Catkin gall in stem Virus 26/05 31/07
Rosette gall Rabdophaga rosaria Midge 01/07
Hairy pea gall under leaf Eupontania pedunculi Sawfly 01/06 05/09 13/06 20/05 18/07
Bean gall Pontania bridgmanii Sawfly
Abnormal gall on stem ? Viral or Mycoplasma 13/06 23/05
Grey sallow Pustules with opening under Iteomyia capreae Midge 01/06        
  Leaf edge rolled down Rabdophaga marginemtorquens Midge   02/06 26/05    
Eared willow Pustules with opening under Iteomyia capreae Midge 21/06 21/07      
  Leaf edge rolled down Rabdophaga marginemtorquens Midge   02/08   13/06  
Growth on stem  ? Phytoplasma  ?virus   21/06 12/05  09/08
Dimple under leaf with nymph Troiza albiventris Psyllid nymph 13/06
Charlock Swollen buds and stem Albugo candida White rust 17/11

Bramble

Swollen stem gall

Lasioptera rubi

Midge

01/08
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 11/08

Dog rose

Orange stem gall

Phragmidium tuberculatum

Rust fungus

27/04 31/05 06/07 20/05 28/05

 

Pea gall

Diplolepis sp.

Gall wasp

21/06 09/08 18/07

 

Robinís pincushion

Diplolepis rosae

Gall wasp

21/06 21/07 06/06 06/06

 

Leaf roll gall

Blennocampa phyllocolpa

Caterpillar

 

Sputnik gall

Diplolepis nervosa

Gall wasp

21/06 08/07 15/06

 

Leaf fold pod gall

Wachtliella rosarum

Midge

08/07

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

27/04 11/05 26/05 04/05 15/05

 

Pustules mainly on midrib

Eriophyes padi

Mite

27/04 11/05 05/05 13/05 15/05

 

Pocket plums

Taphrina pruni

Fungus

01/08 26/05 02/05 16/05
Leaf roll downwards Micronematus monogyniae Sawfly 28/09 28/05

Wild plum

Leaf edge pustules

Eriophyes similis

Mite

27/04 24/06 20/05 18/07
Pocket plums Taphrina pruni Fungus 27/04 11/05 16/05
Bird cherry Pocket plum Taphrina padi Fungus 10/06

Rowan

Yellow pustules on leaflets

Eriophyes sorbi

Mite

27/04 22/05 27/05 04/05 15/05

Pear

Red pustules on leaf

Eriophyes pyri

Mite

  18/06

 

Leaf spot, swollen underneath

Gymnosporangium sabinae

Rust fungus

31/05 06/07 09/08 03/09
Crab apple Erineum Phyllocoptes malinus Mite 21/06 06/06 25/05

Wild apple

Lumps swelling on stem

Eriosoma lanigerum

Woolly aph.

Leaf roll Dasineura mali Midge 06/06

Common whitebeam

Yellow pustules on leaf

Eriophyes arianus

Mite

Wild service tree

Yellow pustules on leaf

Eriophyes torminalis

Mite

06/06 04/06 31/07

Common hawthorn

Leaf edge roll

Phyllocoptes goniothorax

Mite

27/04 11/05 05/05 14/04 18/04

 

Raised pocks on leaf

Eriophyes crataegi

Mite

27/04 11/05 05/05 14/04 15/05

 

Button top gall

Dasineura crataegi

Midge

27/08 10/08 30/08 26/09 27/06
Red leaf fold Dysaphis crataegi   Aphid 17/06 28/07
Robinia Leaflet rolled under Obolodiplosis robiniae Gall midge 25/09 08/07 09/08
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

27/04 01/05 04/06 04/05 15/05

Purging buckthorn

Leaf edge rolled upwards

Trichochermes walkeri

Plant louse

02/08 24/06
Pimples on leaf, pit underneath Trioza sp. Psyllid nymph 15/07

Field maple

Small red pustules

Aceria aceriscampestris

Mite

27/04 11/05 26/05 18/04 15/05

 

Large yellow pustules

Aceria macrochelus

Mite

27/04 02/08 27/05 14/05 24/06

 

White erineum under leaf

Aceria eriobius

Mite

27/04 26/05 15/06 15/05
Misshapen fruits To be determined 01/08

Sycamore

Red pustules on leaf

Aceria macrorhynchus

Mite

27/04 11/05 26/05 02/05 26/04

 

Felt galls

Aceria pseudoplatani

Mite

27/04 11/05 05/05 02/05 15/05

Silver maple

Red pustules

Vasates quadripedes

Mite

27/04 11/05 31/05 16/05 17/05

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

27/04 31/05 27/05 16/05 23/05

 

Key galls

Aceria fraxinivorus

Mite

30/07 13/06 18/07

 

Leaflet midrib gall

Dasineura fraxini

Midge

21/06 31/05 21/06 16/05 23/05

 

Pod gall

Dasineura acrophila

Midge

One leaved ash Veltheimii

Leaf edge rolled down

Psyllopsis fraxini

Plant louse

 

Midrib gall

Dasineura fraxini

Midge

 

Pod gall

Dasineura acrophila

Midge

Single-leafed ash Diversifolia

Leaf edge rolled down

Psyllopsis fraxini

Plant louse

21/06 31/05 31/05 16/05 04/06
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

27/04 01/05 05/05 27/06 28/05

Elder

Leaflet edge rolled up

Epitrimerus trilobus

Mite

27/04 14/09 01/06 30/05
Daisy Fungal gall on leaf Puccinia distincta Rust fungus

Creeping thistle

Swollen stem gall

Urophora cardui

Gall fly

25/07 10/08 13/08 23/08 20/08
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

27/08
Common ragwort Swollen flower head and bracts  Contarinia jacobaeae  Midge 10/08 19/07 03/09

 

NOTES

New for 2015 in RED

  Needs breeding out to confirm

*  Taraxacum pseudohamatum

+  Not found since August 1977

 

 

 

 

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