Figure 21. from: Studies in Hawaiian Diptera III: New Distributional Records for Canacidae and a New Endemic Species of Procanace - Biodiversity Data Journal 4: e5611 (08 April 2016) https://doi.org/10.3897/BDJ.4.e5611

Figure 21. - Head of Scatella kauaiensis, showing the large face which extends over the oral cavity. The clypeus is normal in size and does not extend over the mouth. The specimen imaged was from collection 205192