Key to the adult females of Kermesidae species of Israel

1. Venter with a submarginal band of tubular ducts 2–4 ducts wide............. Nidularia balachowskii Bodenheimer (Fig.41)

- Venter with a submarginal band of tubular ducts 10–30 ducts wide............................................... 2

2. Legs fully-developed; dorsum with seta-pore clusters......................................................... 3

- Legs reduced to 3 segments or absent; dorsum without seta-pore clusters..........................................5

3. Dorsum with tubular ducts; anal lobes quadrate shaped, each with more than 5 setae.... Kermes greeni Bodenheimer (Fig.9)

- Dorsum without tubular ducts; anal lobes rectangular shaped, each with fewer than 5 setae........................... 4

4. Dorsal median circular spots present*....................................... Kermes nahalali Bodenheimer (Fig.25)

- Dorsal median spots absent.............................................. Kermes spatulatus Balachowsky (Fig.33)

5. Antennae reduced to 1 segment; legs absent.................................. Kermes echinatus Balachowsky (Fig.1)

- Antennae 3–6 segmented; legs reduced to 3 segments with claw.. Kermes hermonensis Spodek & Ben-Dov, sp. nov. (Fig.17)