Fig. 3

A photographic image of the dissected alimentary tract of D. pornia (viewed with a Nikon SMZ25 microscope). The crop is filled with blue dyed sugar solution fed to the fly prior to dissection (for contrast). a; oesophageal diverticulum, b; crop, c; cardia, d; Malpighian tubule, e; rectum. Stomodaeum (a-c), mesenteron (c-d), proctodeum (d-e). Scale bar = 0.5 mm