Fig.16 Apterae on Astragalus; (a) Dorsal view of front of head of Therioaphis astragalensis, (b) Same for Th. farsiana, (c) Same for Th. laurestanica, (d) Cauda of Th. farsiana, (e) Cauda of Th. laurestanica, (f) Cauda of Th. khayami, (g) Cauda of Th. trifolii, (h) MTu on ABD TERG 1-4 of Aphis ciceri, (i) Dorsal abdominal sclerotisation of A. astragali, (j) ABD TERG 8 and cauda of A. astragalina.