Complementary description of three Amblyseius species (Acari: Mesostigmata; Phytoseiidae) and keys to the world species of duncansoni and largoensis species subgroups

Three phytoseiid species: Amblyseius excelsus Chaudhri, Akbar and Rasool, A. adhatodae Muma, and A. isuki Chant and Hansell, collected from Pakistan, are re-described with more detailed descriptions and illustrations. The species, A. bajulus Chaudhri, Akbar and Rasool, is considered as junior synonym of A. isuki instead of A. obtusus (Koch). The identification keys to the world species of duncansoni and largoensis species subgroups are presented.