Key to Dysmicoccus species in Iran

1 Circulus present..................................................................................... 2

- Circulus absent...................................................................................... 3

2 Cerarii numbering 7 pairs including frontal pair. Dorsal oral collar tubular ducts numerous, present in rows across most segments................................................................................ boninsis (Kuwana)

- Cerarii numbering 11–17 pairs. Oral collar tubular ducts, if present on dorsum, never forming rows across segments.................................................................................... other species of Dysmicoccus

3 Multilocular disc pores present on ventral submargins of abdominal segments IV and V, and absent on medial region of same segments.................................................................... zagrosicus Moghaddam sp. n.

- Multilocular disc pores absent from ventral submargins of abdominal segments IV and V... caspianensis Moghaddam sp. n.