Fuzzy, microscopic (half a millimetre) invertebrate on Birch.

Fuzzy, microscopic (half a millimetre) invertebrate on Birch.

Observation - Fuzzy, microscopic (half a millimetre) invertebrate on Birch. - UK and Ireland. Description: A few of these on a Silver Birch tree. Absolutely microscopic.

A few of these on a Silver Birch tree. Absolutely microscopic.