British Wildlife Wiki

The Horse Chestnut Leaf Miner (Cameraria ohridella) is a species of moth in the Gracillariidae family.


This species is a small moth, only a few mm long, and is an orange-brown in colour, with black and white horizontal

Cameraria ohridella - Horse Chestnut Leaf-miner

Horse Chestnut Leaf Miner -


Similar Species[]

This species may be mistaken for some of the Phyllonorycter species, but differs in having the white stripe nearer the head than the black stripe.


This species is widespread in England and Wales, and southern Scotland. This species is often abundant, as inhabits gardens and woods.


The larvae feed on Horse Chestnut, inside a mine, and often covers entire leaves, often causing the tree to shed it's leaves early. There are often many larvae on each leaflet.

Impact on Native Wildlife[]

Due to the damage this species does to Horse Chestnut, the trees often due early due to lack of nutrition. This affects a range of native species which rely on the Horse Chestnut tree.


This species was first discovered in Greece in the 1970's, and has since spread at an outstanding speed. In places it hasn't been recorded in, the next year there could be thousands of records. First recorded in Britain in 2002, this species is now found on a large marjority of Horse Chestnuts in England and Wales, and is spreading north, into Scotland.