| abstract | Twelve species of the mite family Phytoseiidae are reported from West Sumatra, Indonesia. Amblyseius (Amblyseius) sumatrensis sp.nov. is described and illustrated. Eleven named species are recorded for the first time in Sumatra. The male of Amblyseius (Neoseiulus) circellatus Wu & Li 1983, previously unknown, is described. |