IMG 2005-Jul21 at PTH15:  Syrphid-fly (Syrphidae sp) on Fen grass-of-parnassus (Parnassia glauca)
2005-Jul21 at PTH15:  Syrphid-fly (Syrphidae sp) on Fen grass-of-parnassus (Parnassia glauca)