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The white
snake-like leaf mine on blackberry leaves is commonly seen in the winter months
in Hainault Forest. There are many leaf mining fauna to be found in the Forest -
here is just a sample. Identification can be sought on the excellent new website
being developed at
www.leafmines.co.uk |
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BLACKBERRY
Rubus fruticosus
White
serpentine mines on Blackberry leaf (far left). Close up (left) shows a long
snake-like larval gallery with dispersed frass (waste products). Commonly found.
A micro moth
larva Stigmella
aurella.
Scan: 28th
August 2005
Very common in
the forest. |
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HONEYSUCKLE
Lonicera periclymenum
Start as a star shape gallery
- frass in black lines.
A tiny fly larva
Chromatomyia aprilina.
Photo: 28th Aug. 05. Near Roe's well. |
LONDON PLANE
Platanus x hispanica
Blotch mine on underside of leaf.
Upperside of leaf folded.
A micro moth larva
Phyllonorycter platani.
Photo: 28th August 2005. By visitors
centre. |
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FIELD MAPLE
Acer campestris
Gallery with green frass. A
micro moth larva Stigmella
aceris
Scan:
28th August 2005. |
CHERRY
Prunus padus.
A blotch mine on the underside of
leaf forming a fold on upper side of leaf (top). Mine dissected to show pupa
(below). A micro moth larva Phyllonorycter cerasicolella.
Scans: 4th October 2005 Found
in the plantation. |
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BEECH
Fagus sylvatica
A micro moth larva
Stigmella hemargyrella
Snake-like mines between the veins
in beech leaf. The frass is coiled at the start of the mine. Inset picture shows
a larva.
Scan: 26th August 2005. |
HORSE CHESTNUT
Aesculus hippocastanum
A micro moth larva Cameraria
ohridella
A brown blotch mine (top). There can be several on each leaf/leaflet. Close up
(below) shows two mines each with a circular mass of frass and both containing a
larva.
Commonly found
in the forest on Horse Chestnut although only reached the UK in 2002. Scan: 28th
August 2005. Hainault Lodge Nature Reserve.
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BEECH
Fagus sylvatica
A micro moth larva
Phyllonorycter maestingella
Blotch mines on underside of leaf.
Scan: 26th August 2005. |
LESSER BURDOCK
Arctium minus
A mining fly larva
Phytomyza lappae
Very long mines on upper surface of
the leaf, which follow the veins. There are several on the leaf above.
Photo: 18th October 2005. Near the lake. |
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HOLLY
Ilex aquifolium
A mining fly
Phytomyza ilicis
Left: An elongated mine, but often
appears as a blotch. The larva has yet to emerge.
Below left: Close up of mine showing
successful emergence of the mining fly. The emergence hole is roughly triangular
on the top of leaf.
Below right: Close up of mine
showing the emergence of a parasite.
The emergence hole is a tiny pinhole
on the top or back of leaf.
Scans: 5th March 2006. Hainault
Lodge. |
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