The fly not the spider

The fly not the spider

Observation - The fly not the spider. Description: A separate entry is at http://www.ispot.org.uk/node/267282 for identification of the spider. Is it possible to work out what the prey is here?

A separate entry is at http://www.ispot.org.uk/node/267282 for identification of the spider. Is it possible to work out what the prey is here?