 Hainault Forest Website |
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Written and
Designed by © Brian Ecott |
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PLANT GALLS
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Galls found on Shrubs and Plants
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CHARLOCK WHITE BLISTER GALL
Agent: Albugo candida
A fungus
Photo: 17th November 2012 near
2nd car park
Identified by Dr Brian
Spooner, Chief mycologist, Kew Gardens, London.
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WOOD AVENS Geum
urbanum
Light green or yellowing
bulges on leaf with erineum on the underside.
Agent: Cecidophyes nudus
A mite
Photo: 11th August 2012 |
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DOG ROSE
ROBIN'S PINCUSHION
Agent:
Diplolepis rosae
A Gall wasp.
Common.
Photo: July 2002
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ROBIN'S PINCUSHION An over wintering gall which
has turned brown and woody during Autumn and Winter 2007. This has been
cut open to reveal the multichambers, some occupied by gall wasp larvae.
Scan 02.01.08. |
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DOG ROSE
PEA GALL
Agent: Diplolepis
sp. A Gall wasp.
Uncommon in 2002.
Photo: August 2000
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DOG ROSE
SPUTNIK GALL
Agent:
Diplolepis nervosa
A Gall wasp
Rare in the forest
Photo: Sept. 2002
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DOG ROSE
SPUTNIK GALLS.
The Dog rose is being eaten by
Rose Sawfly larvae. Photo: 26.06.05. Hainault Lodge. |
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DOG ROSE
LEAF FOLD POD GALL
Agent: Wachtliella rosarum
A midge
Rare in the forest.
Photo: October 2002
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DOG ROSE
LEAF ROLL GALL
Agent: Blennocampa phyllocolpa
A caterpillar
Rare in the forest
Photo: August 2002
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DOG ROSE
ORANGE STEM GALL
Agent: Phragmidium
tuberculatum
A Rust fungus
Rare in the forest
Photo: May 2002 |
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ROSE STEM GALLS Agent unknown. Often many on a
stem occurring at the junction of the main stem and a lateral flowering
stem. They only partially envelop the stem. They are very woody and no
chambers are found in cross section. Probable bacterial in origin. Scan
02.01.08. |
COMMON RAGWORT
Galled
inflorescence
Agent:
Contarinia jacobaeae Midge
Large farm
field, Foxburrows.
8th August
2012
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BRACKEN
PINNULE ROLL
Agent: Chirosia
grossicauda. A fly.
Pinnules rolled downwards. Uncommon.
Photo: August 2001
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MALE FERN
FROND KNOTTING GALL
Agent: Chirosia betuleti
A fly
Occasionally found.
Photo:
Sept. 2002.
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BROAD BUCKLER FERN
MOP HEAD GALL
Agent: Chirosia betuleti
A fly
Rare in the forest.
Photo:
Sept. 2002
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CREEPING THISTLE
STEM GALL
Agent: Urophora cardui
A Gall fly.
Common.
Photo: August 2000
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PERENNIAL SOWTHISTLE
BLISTER GALLS
Agent: Cystiphora sonchi
A midge
Rare in the forest
Photo: August 2002
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ELDER
LEAF EDGE ROLL
Agent: Epitrimerus trilobus
A mite.
Rare in the forest.
Photo: April 2002
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NETTLE
ORANGE STEM GALL
Agent: Puccinia caricina
A rust fungus
Rare in the forest.
Photo: July 1978
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NETTLE
POUCH GALL
Agent: Dasineura urticae
A midge
Common in the forest.
Photo: Sept. 2002
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CLEAVERS
LEAF ROLL GALL
Agent: Cecidophyes galii
A mite.
Common.
Photo: Sept. 2002
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WOOD SPEEDWELL
PUSTULES under leaf
Agent: Puccinia veronicae
A rust fungus.
Occasionally found.
Photo: March 2002
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LESSER CELANDINE
BLISTER GALL
Agent: Urocystis ficariae
A rust fungus
Occasionally found in 2002
Photo: March '02
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COW PARSLEY
PUSTULES on leaf
and stem.Agent: Puccinia
chaerophylli
A rust fungus
Occasionally found.
Photo: March 2002
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CREEPING CINQUEFOIL
NODULES on stem below ground
Agent:
Xestophanes
potentillae
A gall
wasp. Photo: May
2004
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BRAMBLE RAISED BULGE ON LEAF.
Hairs (erineum) underneath.
Agent: Eriophyes rubicolens
A mite
Photo: 11th September 2006.
Heathland. |
BRAMBLE
SWOLLEN STEM GALL
Agent: Lasioptera rubi
A midge
Rare in the forest
Photo: 6th May 2006.
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BRISTLY OX-TONGUE
Pith galled within stem. Found
when exit holes are present in old stem..
Agent: Phanacis caulicola
A gall wasp.
Photo: 6th May 2006 |
ROSEBAY WILLOW HERB
Leaf edge rolled tightly down.
Agent: Dasineura
kiefferiana
A midge.
Photo: 13th May 2006. |
SPEAR-LEAVED ORACHE
Swollen midrib and leaf edge
curl gall
Agent: Hayhurstia
atriplicis An aphid.
Photo: July 2004 |
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WILD CARROT Daucus carota Fruit galls Agent: Kiefferia
pericarpicola
A midge larva
Photo: 20th Aug 2006 Hog Hill.
One gall shows an exit hole. The midge larva (right) is a bright
orange. It measures only 3.5mm. Scanned at 1200dpi. |
DWARF GORSE STEM GALL on young
shoot. Agent:
Eutrichapion scutellare. A beetle larva. Chigwell Row Rec.
heathland. Photo: 7.9.2006
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GROUND IVY
LIGHTHOUSE GALL
Agent: Rondaniola bursaria
A Midge.
Not common.
Normally mature August -Sept.
Photo:
13 Nov. 2001. |
DANDELION
T. pseudohamatum
Swollen red stem and
leaves.
Agent:
Protomyces
pachydermus
A fungus
Photo: May 2004 |
COMMON DOG VIOLET Viola
riviniana
Swollen leaves and stem.
Agent: Puccinia violae
A fungus
Photo: 24th April 2010 |
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