P1150285

P1150285

Observation - P1150285 - UK and Ireland. Description: These little tracks have appeared on my greenhouse windows which have been painted with greenhouse shading white wash. One window is completely covered in them. I have no idea what could be making them.

These little tracks have appeared on my greenhouse windows which have been painted with greenhouse shading white wash. One window is completely covered in them. I have no idea what could be making them.