Fig. 2

First stage larvae of Crenosoma vulpis recovered from Baermann funnel. Anterior extremity, lateral view, note the junction between the muscular procorpus and metacorpus (black arrowhead), the nerve-ring (black arrow) and the oesophago-intestinal junction (white arrow) (a); Lateral alae along the body at the level of the oesophago-intestinal junction, dorsoventral view (b); Tail, dorsoventral (C1) and lateral (C2) view; note the lateral alae (arrowheads) and the narrowing anterior to the pointed tip (black arrow) (c)