Forest Pests and Diseases

Ash Dieback disease is caused by the Chalara fraxinea fungus. The disease causes leaf loss and crown dieback in affected trees, and it can lead to tree death. It is […]

Green spruce aphid (Elatobium abietinum) is an insect that infests spruce trees. Unlike most aphids, the green spruce aphid is active and causes damage to spruce trees (Picea species) over […]

The eight-toothed spruce bark beetle (Ips typographus) also known as the European spruce bark beetle, large spruce bark beetle and larger eight-toothed spruce bark beetle. It is the most serious […]

Oak Processionary Moth (Thaumetopoea processionea) is a native species of central and southern Europe. The larvae (caterpillars) feed on the foliage of many species of oaks. The first case in Ireland […]

While not technically a forest pest, ticks are more than just a nuisance and can cause serious illness. Lyme disease or Lyme Borelliosis was originally thought to be something you […]

Phytophthora ramorum symptoms on Japanese larch The disease caused by the pathogen Phytophthora ramorum a fungus like organism, can damage and kill plants and trees it infects. Symptoms at a […]

The Pine Weevil, Hylobius abietis, is a serious pest and has been recognised as such in Europe for a number of centuries. It is particularly wide-spread in replanted coniferous forestry […]

Dothistroma Needle Blight (DNB) also known as Red Band Needle Blight is a disease, primarily on pine, that can be caused by the two fungal pathogens, Dothistroma septosporum and Dothistroma […]