826370.fig.003a
(a) Control
826370.fig.003b
(b) Verbena sp.
826370.fig.003c
(c) Campomanesia xanthocarpa
Figure 3: Microscopic analysis of parasites morphology in light microscope (magnified ×1,000) by trypan blue dye exclusion. (a) Control; (b) after 4 hours of treatment with aqueous extract of Verbena sp.; (c) after 4 hours of treatment with aqueous extract of Campomanesia xanthocarpa.