streptomyces milbemycinicus streptomyces milbemycinicus streptomyces milbemycinicus is a bacterium species from the genus of streptomyces which has been isolated from soil. streptomyces milbemycinicus produces milbemycin. streptomyces milbemycinicus scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: streptomycetales family: streptomycetaceae genus: streptomyces species: s. milbemycinicus binomial name streptomyces milbemycinicuskumar and goodfellow 2010 type strain dsm 41911, nrrl 5739