Pest In my Willow Tree

Pest In my Willow Tree

Observation - Pest In my Willow Tree - UK and Ireland. Description: Huge numbers all over the branches of a willow tree, must be dropping a sugary substance as everything under the tree is covered in hundreds, if not tens of hundreds of wasps. Attached picture shows one bug next to the tip of a ball point pen.

Huge numbers all over the branches of a willow tree, must be dropping a sugary substance as everything under the tree is covered in hundreds, if not tens of hundreds of wasps. Attached picture shows one bug next to the tip of a ball point pen.