Large Birch Sawfly (Cimbex femoratus)

Large Birch Sawfly (Cimbex femoratus)

Observation - Large Birch Sawfly (Cimbex femoratus) - UK and Ireland. Description: This is the adult that emerged from the larva I posted picture of July 5th. 2010. Can someone tell me if it's eating an insect or are those mouth parts I can see hanging out?

This is the adult that emerged from the larva I posted picture of July 5th. 2010. Can someone tell me if it's eating an insect or are those mouth parts I can see hanging out?