Fig. 7From: Validity of genus Perostrongylus Schlegel, 1934 with new data on Perostrongylus falciformis (Schlegel, 1933) in European badgers, Meles meles (Linnaeus, 1758): distribution, life-cycle and pathologyLarval stages of P. falciformis. a First-stage larva and detail of the posterior extremity (a1) and well-visible anus (arrowhead). b Second-stage larva and detail of the posterior extremity (b1) and oesophago-intestinal junction (arrow). c Third-stage larva and details of the anterior (c1) and posterior (c2) extremities and oesophago-intestinal junction (arrow). Scale-bars: 50 μmBack to article page