α-hemolytic streptococci

Identification

Optochin	VP (acetoin)	Arginine	PYR	Urease	Mannitol	β-gal	Species
+							Streptococcus pneumoniae
–	+	+	+				Streptococcus urinalis
			–				Streptococcus anginosus group
		–		+			Streptococcus salivarius group
				–	+	+	Streptococcus mutans group
						–	Streptococcus bovis
					–		Streptococcus bovis variants Streptococcus salivarius
	–			+			Streptococcus vestibularis
				–			Streptococcus mitis group