Key to the first-instar nymphs of Kermesidae species of Israel

1. Quinquelocular and trilocular pores absent medially to each scape........................... N. balachowskii (Fig. 44)

- Quinquelocular or trilocular pores present medially to each scape............................................... 2

2. Dorsum with spatulate setae............................................................................. 3

- Dorsum with conical or pointed setae...................................................................... 4

3. Dorsum with spatulate setae of two sizes.................................................. K. spatulatus (Fig. 36)

- Dorsum with spatulate setae of one size...................................................... K. greeni (Fig. 12)

4. Marginal setae pointed; three quinquelocular pores present laterad to each prothoracic spiracle........ K. nahalali (Fig. 28)

- Marginal setae conical; fewer than three quinquelocular pores present laterad to each prothoracic spiracle............... 5

5. Two quinquelocular pores present laterad to each prothoracic spiracle......................... K. hermonensis (Fig. 20)

- One quinquelocular pore present laterad to each prothoracic spiracle............................. K. echinatus (Fig. 4)