Table 4.

Species diversity of the genus Bulinus in the Lake Victoria basin

Species	Occurrence	Role as host	Reference	Present study
B. africanus	Near LV in Kenya, Mwanza, Tanzania	Main host in South Africa, NW Tanzania	Brown [17]	Not found
B. globosus	Mwanza, LV, Kisumu	Southern Africa, Main host in NW Tanzania	Loker et al [65]; Opisa et al [34]	Not found
B. forskalii	LV	not confirmed	Brown [17]	B. forskalii (not found in lake proper)
B. nasutus productus	Eastern shore LV	Main host in NW Tanzania	Brown [17] Mandahl-Barth [14]	B. nasutus productus (not found in lake proper)
B. tropicus	Not mentioned before	Not known		B. tropicus
B. reticulatus	Near Kisumu and Mwanza	Not known	Brown [17]; Loker et al [65]	Not found
B. trigonus	LV and Lake Edward	B. truncatus: main host in NE, W and N Africa	Brown [17]	B. trigonus?
B. transversalis	LV and Victoria Nile	Not known	Brown [17]; Mandahl-Barth [14]	Not found
B. ugandae	LV, NW Tanzania	Not known	Brown [17]; Mandahl-Barth [14]	B. ugandae

Notes: Taxa mentioned in the literature, their distribution, assumed or proven roles as intermediate hosts for S. haematobium are provided. Where possible, findings from the recent study are compared to the previous information

Abbreviation: LV, Lake Victoria