I photographed the attached Sawflies at Ryewater in Dorset on Monday. I am trying to identify them correctly, with some difficulty. It would seem fairly obvious that they Sawflies and one of the 'Tenthredos', but which one? Can anyone identify them further, please? Are they 'Tenthredo arcuata' ; 'Tenthredo brevicornis' or 'Tenthredo notha'.? Which is the most likely of these, or is it impossible to tell from the attached images?