PhytoseiulusPhytoseiulus is a genus of mites in the Phytoseiidae family.The species Phytoseiulus persimilis is a predatory mite, and is used for biological control of two-spotted spider mites.SpeciesThe genus Phytoseiulus contains these species:Phytoseiulus fragariae Denmark & Schicha, 1983Phytoseiulus longipes Evans, 1958Phytoseiulus macropilis Phytoseiulus persimilis Athias-Henriot, 1957 ''Phytoseiulus robertsi''