Exidia glandulosa
Witches’s butter
The fruiting bodies are olive-brown to black and they form series of cone-like gelatinous formations creating an irregular mass in lines up to 25 cm long while humid. It occurs on branches of broadleaves.
Black, soft, huspenite formation on the trunk.
Tree Species: Beech, Oak, Maple
Part of a plant- attacked: Tree trunk
Pest significance: Less harmful
Pest Category: Fungi
Invasive Species: No
Present in EU: Yes
Pest group: Fungi
Affected part of wood: Sapwood
Depth of damages: Under bark only, Up to 0,5 cm depth, Up to 2 cm depth, Up to 5 cm depth
The extent of damage: Whole trunk
Prevalence in Europe: Common
Damaged products: Firewood, Fresh timber logs (water still in the sapwood), Furniture, Lumber, boards and prisms, Wood chips, Wooden house constructions
Roundwood size: Branches and twigs, Diameter from 10 up to 50 cm
Wood discoloration: Yes
Pest subcategory: White-rot
Similar pests
Auricularia mesenterica
Kretzschmaria deusta
