● Kim SB,Goodfellow M (2002). Streptomyces avermitilis sp. nov., nom. rev., a taxonomic home for the avermectin-producing streptomycetes. Int. J. Syst. Evol. Microbiol.52, 2011-4. ● Takahashi Y,Matsumoto A,Seino A,Ueno J,Iwai Y,Omura S (2002). Streptomyces avermectinius sp. nov., an avermectin-producing strain. Int. J. Syst. Evol. Microbiol.52, 2163-8.