Ok. It's not a Cricket. It's in fact a Leek Grasshopper (Mecosthesus parapleurus) presumably named because it looks slightly like a leek (?).
This one was a little shellshocked after being disturbed in the French fields, so clung onto this shaft of wheat for about 30 minutes as the sun went down.
Canon 5D Mk III + 100mm f/2.8 Macro