1

Diverticulum present in the ductus bursae; vesica with 4 - 5 cornuti differing in length (20% - 50% of the length of the phallus); apical bands present in the hind tarsi……………………

S. traducalis

-

Diverticulum absent in the ductus bursae; number of cornuti smaller than four or significantly greater than five; apical bands absent in the hind tarsi……………………………………………...

2

2

Colliculum present; antrum strongly sclerotized transversally; posterior ductus bursae strongly sclerotized; basal sacculus ventrally projected; vesica with three cornuti, grouped into an elongate one and two shorter ones equal in length; coecum strongly sclerotized…………………………………………………

S. fifensis

-

Colliculum absent; antrum bare from sclerotization; basal sacculus unprojected; vesica with numerous short cornuti; coecum weakly sclerotized………………………………………….

S. seychellensis