<prompt> Catalase positive, coagulase negative beta hemolytic bacteriaStrep pyogensStaph aureusCONSEnterococci  <response>: All staphylococci are catalase positive. Amongst staphylococci, Staph. aureus and Staph haemolyticus CONS are beta hemolytic. Most species of coagulase negative staphylococcus species are non-hemolytic except Staph. haemolyticus. 