Canon 1DX Canon 180mm macro
Auto ISO 320 1/500sec f11
Hand held, try as I might I could not get a bit more DOF without placing myself more distant, in all probability I wouldn't have gotten both wings in true focus.
The butterfly gave you a nice feeding pose and you have excellent sharpness within your DOF! You might try some additional selective sharpening on the near forewing to see if that helps. In a perfect world, the OOF flower head in the foreground wouldn't be there.