Kingdom Fungi R.T.Moore (1980) - fungi
   Phylum Entomophthoromycota Humber (2012) [monotypic]
     Subphylum Entomophthoromycotina Humber (2007)
       Class Entomophthoromycetes Humber (2012) [monotypic]
         Order Entomophthorales G.Winter (1880)
           Family Entomophthoraceae A.B.Frank (1874)
             Genus Orthomyces Steinkr., Humber & J.B. Oliv. (1998) [monotypic]
               Orthomyces aleyrodisᵀ Steinkr., Humber & J.B. Oliv. (1998)