Information Portal

Welcome to Observatree’s information portal – a central directory that will help lead you to a wealth of further online material related to tree pests and diseases.  Please contact us if you find a link not working or you need information you cannot find.

If you are looking for information, data or resources on pests and diseases that damage crops and plants then visit the UK Plant Health Information Portal.

Biggest threats - priority pests and diseases

Click on names for more information.

branch with signs of Ash Dieback

Chalara Dieback of Ash
(Hymenoscyphus fraxineus

Asian Longhorn Beetle - Credit Forestry Commission

Asian Longhorn Beetle
(Anoplophora glabripennis

Bronze Birch Borer - Steven Katovich, USDA Forest Service,

Bronze Birch Borer
(Agrilus anxius

Chestnut Blight
(Cryphonectria parasitica

Forest Research Institute/

Oriental Chestnut Gall Wasp
(Dryocosmus kuriphilus

Citrus Longhorn - Plant Protection Service Archive, Plant Protection Service,

Citrus Longhorn Beetle
(Anoplophora chinensis

Dothistroma Needle Blight - Credit Forestry Commission

Dothistroma Needle Blight
(Dothistroma septosporum

Emeradl Ash Borer - Debbie Miller, USDA Forest Service,

Emerald Ash Borer
(Agrilus planipennis)  

Great spruce bark beetle

Great Spruce Bark Beetle
(Dendroctonus micans

Horse Chestnut Leaf Miner - Credit Forestry Commission

Horse Chestnut Leaf Miner
(Cameraria ohridella

Oak lace bug - Jim Baker, North Carolina State University,

Oak Lace Bug
(Corythucha arcuata

Oak Processionary Moth - Credit Forestry Commission

Oak Processionary Moth
(Thaumetopoea processionea)  

Pine Processionary Moth - Credit Forestry Commission

Pine Processionary Moth
(Thaumetopoea pityocampa)  

Plane Lace Bug - Robert J. Bauernfeind, Kansas State University,

Plane Lace Bug
(Corythucha ciliata

Plane Wilt - Credit Forestry Commission

Plane Wilt
(Ceratocystis platani

Red-Necked Longhorn Beetle
(Aromia bungii

Our website contains hyperlinks to other websites. This information is supplied in good faith, in case it is of interest, or use, to our website users. We are not responsible for the content or functionality of any of these external websites.