A total of 2692 species of phytoseiid mites (Acari: Phytoseiidae), distributed over 102 genera and 3 subfamilies in 1063 pages, are included in Checklist of Phytoseiidae of the World (Acari: Mesostigmata) book. In addition, a total of 109 names published with errors in many publications are also given. In 2692 names, 60 nomen dubia, nomen nuda, species dubia, species inquirendae, and species incertae sedis, 471 synonyms, 41 homonyms, and 346 species are included. New genera are added.
In addition, some non-phytoseiid species published as Phytoseiidae are also mentioned. For quick reference, the text is arranged in alphabetical order in different sections as follows: (1) Introduction, (2) Classification, (3) Current-genera list, (4) Controversial-genera list, (5) New-genera list, (6) Genus-reference list, (7) Species-genus list, (8) Genus-species list, (9) Author-species list, (10) Subfamily-species list, (11) Species-synonym list, (12) Species-homonym list, (13) Species known since or not included in Chant and McMurtry (2007) list, (14) Species-classification list, (15) Species-reference list, (16) Nomen dubium, nomen nudum, incertae sedis, species inquirendum, not Phytoseiidae list, (17) Addendum, (18) References, and (19) Index.
Generic changes of many species are also included. Published errors for numerous species and publications with corrections are given. Answers for many taxonomic questions are also provided.