Yer white balance is wrong Barry. The camera maybe set for daylight, but you're lighting the fly with electric lighting - halogen, tungsten, flourescent, whatever, the light they give off are all different - your camera needs to know to be able to avoid that colour cast. You should be able to alter it in yer camera settings... should give you a few options, try going through them until whites look white and other colours more natural. Also, yer lighting looks like a single source, and too harsh. Try two lamps Barry. Mess around with the angles and distance until you get it right. Time is all you need mate, not a brain... how do you think I manage?