ConA, RCA or MPA. Lectin staining intensity differed between genera. H. contortus and H. placei eggs were strongly positive for PNA and positive for MPA, ConA and RCA. T. colubriformis and T. vitrinus eggs were strongly positive for MPA and negative for the other lectins. O. circumcincta eggs were weakly positive for PNA, MPA and ConA, and negative for RCA. N. spathiger eggs stained weakly positive with each lectin and M. expansa eggs were weakly positive for PNA, MPA and RCA and strongly positive for ConA.