streptomyces umbrinus streptomyces umbrinus streptomyces umbrinus is a bacterium species from the genus of streptomyces which has been isolated from soil in russia. streptomyces umbrinus produces diumycins. streptomyces umbrinus scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: streptomycetales family: streptomycetaceae genus: streptomyces species: s. umbrinus binomial name streptomyces umbrinuspridham et al. 1958 synonyms actinomyces umbrinus