Key to the post-reproductive females of Kermesidae species of Israel
1. Dorsum with a longitudinal medial depression............................................................... 2
- Dorsum without a longitudinal medial depression............................................................ 3
2. Dorsum black in colour........................................................... K. spatulatus (Plate 5, fig. d)
- Dorsum grey in colour............................................................. K. nahalali (Plate 4, fig. d)
3. Dorsum spherical................................................................... K. greeni (Plate 2, fig. e)
- Dorsum hemi-spherical................................................................................. 4
4. Dorsal derm not sclerotized...................................................... K. hermonensis (Plate 3, fig. e)
- Dorsal derm sclerotized................................................................................. 5
5. Dorsum red with transverse black lines.............................................. K. echinatus (Plate 1, fig. e)
- Dorsum brown with dark and light areas.......................................... N. balachowskii (Plate 6, fig. d)