Spider Web Component?

Spider Web Component?

Observation - Spider Web Component? - UK and Ireland. Description: A hollow, silky ball attached to the top of my fence. Possibly a spider? Please can you help me identify what this is and what made it? Found in my garden in March 2012. I will put it in the Invertebrates group for now.

A hollow, silky ball attached to the top of my fence. Possibly a spider? Please can you help me identify what this is and what made it? Found in my garden in March 2012. I will put it in the Invertebrates group for now.