Key to adult females of Pseudococcus species found in Okinawa Island

1(0) Hind coxae with translucent pores........................................................................ 2

- Hind coxae without translucent pores........................................ P. odermatti Miller & Williams, 1997

2(1) Dorsal oral rim tubular ducts numbering more than 10........................ P. okinawaensis Tanaka & Choi, sp. nov.

- Dorsal oral rim tubular ducts numbering fewer than 4...................................... P. cryptus Hempel, 1918