Type or form No 1 2 3 4 5
Total length 23-30 20-27 28-30 20-30 36-44
Total width 2.5-5 4-Mar 6-Apr 13.5-20 7-May
Nucleus index 6 x 2.5 2 x 5 2.5 x 4 4 x 4 3 x 6
Kinetoplast to the posterior end 2 4 Contact with it 13-Oct 5-Mar
Free flagellum and undulating membrane Free flagellum length 7 µm with two small folds of undulating membrane Free flagellum 8 µm with one to two small folds 8 with no folds 17-20 with pulp body shape 10-12 with well-developed undulating membrane with two to four folds
Shape of the posterior end Pointed posterior end Sharp posterior end Truncated posterior end Vacoulated like structure with granules Normal posterior end
Nucleus to posterior end 15 15 8 3 15
Nucleus to anterior end 7 13 8 12 10
Figs. no. Figure (4) Figure (5) Figure (6) Figure (7) Figure (8)
Table 1: Showing differences between different forms of T. evansi (measurements with μm).