Dorsal view of posterior thorax of Procanacae constricta showing the lack of supernumerary setae on disc of scutellum. The specimen imaged is from collection 205268.

 
  Part of: O'Grady P, Pak N (2016) Studies in Hawaiian Diptera III: New Distributional Records for Canacidae and a New Endemic Species of Procanace. Biodiversity Data Journal 4: e5611. https://doi.org/10.3897/BDJ.4.e5611