Abdul-Salam, J., Sreelatha, B.S. & Al-Kandari, W. (1997) Temporal variation in infection of a population of Clypeomorus bifasciata (Gastropoda: Prosobranchia) by a digenean microphallid larva in Kuwait Bay. Journal of Helminthology 71, 1–7.
Abdul-Salam, J., Sreelatha, B.S. & Ashkanani, H. (1994) Seasonal prevalence of trematode cercaria in Clypeomorus bifasciata (Gastropoda: Prosobranchia) in Kuwait Bay. Folia Parasitologica 41, 247*#x2013;252.
Al-Kandari, W.Y., Abdul-Salam, J. & Meakins, R. (2000) Temporal variation in the infection of a population of Cerithidea cingulata by larval trematodes in Kuwait Bay. Journal of Helminthology 74, 17–22.
Anderson, R.M. & May, R.M. (1979) Prevalence of schistosome infection within molluscan populations: observed and theoretical predictions. Parasitology 79, 6–94.
Appleton, C. & Brock, K. (1985) Trematode cercariae occurring in the snail intermediate hosts of bilharzia in the Durban and Pietermaritzburg areas of Natal. South African Journal of Laboratory Technology 31, 49–52.
Bayne, C.J. & Yoshino, T.P. (1989) Determinants of compatibility in molluscs–trematode parasitism. American Zoologist 29, 399–407.
Begon, M.L., Harper, L. & Townsend, C.R. (1990) Ecology. 2nd edn. Oxford, Blackwell Publishers.
Brown, D.S. & Kristensen, T.K. (1989) A field guide to African freshwater snails, southern African species. Danish Bilharziasis Laboratory Publication number 383.
Brown, K.M., Leathers, B.K. & Minchella, D.J. (1988) Trematode prevalence and the population dynamics of freshwater pond snails. American Midland Naturalist 120, 289–301.
Chandiwana, S.K., Christensen, N.Ø. & Frandsen, F. (1987) Seasonal patterns in the transmission of Schistosoma haematobium, S. mattheei and S. mansoni in the highveld region of Zimbabwe. Acta Tropica 44, 433–444.
Chandiwana, S.K., Taylor, P. & Clarke, V.de, V. (1988) Prevalence and intensity of schistosomiasis in two rural areas in Zimbabwe and their relationship to village location and snail infection rate. Annals of Tropical Medicine and Parasitology 83, 163–173.
Chao, D., Wang, L. & Huang, T. (1993) Prevalence of larval helminths in freshwater snails of the Kinmen Islands. Journal of Helminthology 67, 259–264.
Clarke, V.de, V. (1977) Studies of transmission of bilharziasis in Rhodesia. Central African Journal of Medicine 23, 2–6.
Combes, C. (1982) Trematodes, antagonism between species and sterilizing effects on snails in biological control. Parasitology 84, 151–175.
Coulibaly, G. & Madsen, H. (1990) Seasonal density fluctuations of intermediate hosts of schistosomes in two streams in Bamako, Mali. Journal of African Zoology 104, 201–212.
Crews, A.E. & Esch, G.W. (1986) Seasonal dynamics of Halipegus occidualis (Trematoda: Hemiuridae) in Helisoma anceps and its impact on the fecundity of the snail host. Journal of Parasitology 72, 646–651.
Davis, N.E. (1998) Population dynamics of and larval trematode interactions with Lymnaea tomentosa and the potential for biological control of schistosome dermatitis in Bremner Bay, Lake Wanaka, New Zealand. Journal of Helminthology 72, 319–324.
Dinnik, J.A. (1961) Paramphistomum phillerouxi sp. nov. and its development in Bulinus forskalii. Journal of Helminthology 35, 69–90.
Dinnik, J.A. (1965) The snail hosts of certain Paramphistomidae and Gastrothylacidae (Trematoda) discovered by the late Dr P.L. Le Roux in Africa. Journal of Helminthology 39, 141–150.
Dinnik, J.A. & Dinnik, N.N. (1954) The life cycle of Paramphistomum microbothrium Fischoeder 1901 (Trematoda: Paramphistomidae). Parasitology 44, 285–299.
Esch, G.W. & Fernandez, J.C. (1994) Snail–trematode interactions and parasite community dynamics in aquatic systems: a review. American Midland Naturalist 131, 209–237.
Ewers, W.H. (1964) The influence of the density of snails on the incidence of larval trematodes. Parasitology 54, 579–583.
Fernandez, J.C. & Esch, G.W. (1991a) Guild structure of larval trematodes in the snail Helisoma anceps: patterns and processes at the individual host level. Journal of Parasitology 77, 528–539.
Fernandez, J.C. & Esch, G.W. (1991b) The component community structure of trematodes in the pulmonate snail Helisoma anceps. Journal of Parasitology 77, 540–550.
Frandsen, F. & Christensen, N. (1984) An introductory guide to the identification of cercariae from African freshwater snails with special reference to cercariae of medical and veterinary importance. Acta Tropica 41, 181–202.
Graber, M. & Daynes, P. (1974) Mollusques vecteurs de trematodoses humaines et animals en Ethiopie. Revue d'Elevage et de Médecine Vétérinaire des Pays Tropicaux 27, 307–322.
Gupta, R.P., Yadav, C.L. & Ruprah, N.S. (1987) Studies on the bionomics of some aquatic snails and their cercarial fauna of Haryana state. Indian Veterinary Medical Journal 11, 77–83.
Keas, B.E. & Blankespoor, H.D. (1997) The prevalence of cercaria from Stagnicola emarginata (Lymnaeidae) over 50 years in North Michigan. Journal of Parasitology 83, 536–540.
Kigadye, E.S.P. (1998) Studies on larval digeneans infecting freshwater snails. 161 pp. MSc thesis, University of Dares Salaam, Tanzania.
Kuris, A. & Lafferty, K.D. (1994) Community structure: larval trematodes in snail hosts. Annual Review of Ecology and Systematics 25, 189–217.
Lafferty, K.D., Sammond, D.T. & Kuris, A.M. (1994) Analysis of larval trematode communities. Ecology 75, 2275–2285.
Lawrence, J.A. & Condy, J.B. (1970) The developing problem of schistosomiasis in domestic stock in Rhodesia. Central African Journal of Medicine 16, 19–22.
Loker, E.S., Moyo, H.G. & Gardner, S.L. (1981) Trematode–gastropod associations in nine nonlacustrine habitats in Mwanza region of Tanzania. Parasitology 83, 381–399.
Makura, O. & Kristensen, T.K. (1991) National freshwater survey of Zimbabwe. Proceedings of the Tenth International Malacology Congress (Tübingen), 227–232.
Mattison, R.G., Dunn, T.S., Hanna, R.E.B., Nizami, W.A. & Ali, Q.M. (1995) Population dynamics of freshwater gastropods and epidemiology of their helminth infections with emphasis on larval paramphistomes in northern India. Journal of Helminthology 69, 125–138.
May, R.M. (1983) Parasitic infections as regulators of animal populations. American Scientist 71, 36–45.
Mukaratirwa, S., Kristensen, T.K., Siegismund, H.R. & Chandiwana, S.K. (1998) Genetic and morphological variation of populations belonging to the Bulinus tropicus/truncatus complex (Gastropoda: Planorbidae) in south western Zimbabwe. Journal of Molluscan Studies 64, 435–446.
Okafor, F.C. (1990) Distribution of freshwater gastropods in the lower River Niger and Cross River basins of southeastern Nigeria with reference to their trematode infections. Beitrage zur Tropischen Landwirtschaft und Veterinärmedizin 28, 207–216.
Ozumba, N.A., Christensen, N.O., Nwosu, A.B.C. & Nwaorgu, O.C. (1989) Endemicity, focality and seasonality of transmission of human schistosomiasis in Amagunze village, eastern Nigeria. Journal of Helminthology 63, 206–212.
Schell, S.C. (1985) Handbook of trematodes of North America, North of Mexico. 263 pp. Moscow, Idaho, University of Idaho Press.
Schillhorn, V.V.T.W. (1980) Dynamics of Lymnaea natalensis populations in the Zaria area (Nigeria) and the relation to Fasciola gigantica infections. Acta Tropica 37, 283–294.
Schmidt, K.A. & Fried, B. (1997) Prevalence of larval trematodes in Helisoma trivolvis (Gastropoda) from a farm pond in Northampton County, Pennsylvania with special reference to Echinostoma trivolvis (Trematoda) cercaria. Journal of the Helminthological Society of Washington 64, 157–159.
Shiff, C.J., Evans, A., Yiannakis, C. & Eardley, M. (1975) Seasonal influence in the production of Schistosoma haematobium and S. mansoni cercariae in Rhodesia. International Journal for Parasitology 5, 119–123.
Sousa, W.P. (1990) Spatial scale and the processes structuring a guild of larval trematode parasites. pp. 41–67 in Esch, G.W., Bush, A.O. & Aho, J.M. (Eds) Parasite communities, patterns and processes. London, Chapman and Hall.
Sousa, W.P. (1992) Interspecific interaction of larval trematode parasites of freshwater marine snails. American Zoologist 32, 583–592.
Sousa, W.P. (1993) Interspecific antagonism and species coexistence in a diverse guild of larval trematode parasites. Ecological Monographs 63, 103–128.
Southgate, V.R., Brown, D.S., Warlow, A., Knowles, R.J. & Jones, A. (1989) The influence of Calicophoron microbothrium on the susceptibility of Bulinus tropicus to Schistosoma bovis. Parasitological Research 75, 381–391.
Taylor, P. & Makura, O. (1985) Prevalence and distribution of schistosomiasis in Zimbabwe. Annals of Tropical Medicine and Parasitology 79, 287–299.
Toledo, R., Munoz-Antoli, C., Perez, M. & Esteban, J.G. (1998) Larval trematode infections in freshwater gastropods from the Albufera natural park in Spain. Journal of Helminthology 72, 79–82.
Williams, J.A. & Esch, G.W. (1991) Infra- and component community dynamics in the pulmonate snail Helisoma anceps, with special emphasis on the hemiurid trematode Halipegus occidualis. Journal of Parasitology 77, 246–253.
Woolhouse, M.E.D. & Chandiwana, S.K. (1989) Spatial and temporal heterogeneity in the population dynamics of Bulinus globosus and Biomphalaria pfeifferi and in the epidemiology of their infection with schistosomes. Parasitology 98, 21–34.
Wright, C.A. (1966) The pathogenesis of helminths in molluscs. Helminthological Abstracts 35, 207–244.
Wright, C.A., Southgate, V.R. & Howard, G.W. (1979) A note on the life cycle of some amphistome flukes in Zambia. Journal of Helminthology 53, 251–252.
Yonder, R.H. & Coggins, J.R. (1998) Larval trematode assemblages in the snail Lymnaea stagnalis from southeastern Wisconsin. Journal of Parasitology 82, 259–268.