Key to species of Spilococcus Ferris

1. Circulus absent................................................................... mirzayansi (Moghaddam)

- Circulus present....................................................................................... 2

2 Multilocular disc pores present ventrally only on posterior abdominal segments........................... alhagii (Hall)

- Multilocular disc pores present ventrally on head, thorax and abdominal segments................. .. flavus (Borchsenius)