Key to species of genus Neogreenia MacGillivray based on adult female morphology

1. Claw with 2 denticles; on Sophora japonica ................................................... N. sophorica Wu

- Claw with 3 denticles; on other hosts..................................................................... 2

2. Body reddish in colour; without a group of discoidal pores on the posterior ventral abdomen......................... 3

- Body yellowish in colour; with a large group of discoidal pores on the posterior ventral abdomen..................... 4

3. Tibial digitules with apex knobbed; on Antidesma bunius ...................................... N. zeylanica (Green)

- Tibial digitules with apex acute; on Zizyphus sativus .............................................. N. zizyphi Tang

4. Tibial digitules with apex knobbed; on Osmanthus fragrans .............................. N. osmanthus (Yang & Hu)

- Tibial digitules with apex acute; on Lonicera microphylla ........................................ N. lonicera sp. n.