Hymenopteran (H1) on a notice board.

Hymenopteran (H1) on a notice board.

Observation - Hymenopteran (H1) on a notice board. - UK and Ireland. Description: It had just been foraging in a dense hedge of Hawthorn immediately behind the board. I am wondering if the arrowed structures are parts of the mouth.

It had just been foraging in a dense hedge of Hawthorn immediately behind the board. I am wondering if the arrowed structures are parts of the mouth.