...........................................................................................................................................4 Introduction .. .....................................................................................................................................4 Methods .. ...........................................................................................................................................5 Taxonomy ........................................................................................................................................8 Procas Stephens, 183 1 ...............................................................................................................9 Key to species of Procas Stephens, 1831 ................................................................................ 11 Procas granulicollis Walton .....................................................................................................13 Procas picipes (Marsham) .......................................................................................................16 Procas picipes picipes (Marsham) ...........................................................................................17 Procas picipes steveni (Gyllenhal) ...........................................................................................21 Procas picipes levantinus subsp. n. .........................................................................................23 Procas michaelis sp. n. ............................................................................................................ 24 Procas armillatus (Fabricius) ..................................................................................................25 Procas biguttatus Faust ............................................................................................................29 Procas lecontei Bedel ..............................................................................................................31 Phylogeny ................................................................................................................... ...................32 Species incertae sedis .....................................................................................................................33 Procas rasus Desbrochers ........................................................................................................33 Procas sibiricus Pic ..................................................................................................................33 Procas maculatus Pic ...............................................................................................................34 Procas pyrrhodactylus, sensu Stephens, not Marsha m ............................................................34 Nomenclatural changes ...................................................................................................................35 Acknowledgements . .. .....................................................................................................................35 References ....................................................................................................................................36