FIGURE 19. Microplana kwiskea n in Molecular and morphological evidence for two new species of terrestrial planarians of the genus Microplana (Platyhelminthes; Turbellaria; Tricladida; Terricola) from Europe

FIGURE 19. Microplana kwiskea n. sp. Specimen K1a, NHML, 2006.6.28.30. Horizontal longitudinal sections through the copulatory apparatus. Anterior to the right. a–d are progressively more ventral. a. The penis and genito-intestinal canal. b. The penis and, to its right, the opening of the genito-intestinal canal into a digestive diverticulum. c. The conjunction of the genito-intestinal canal and the ovo-vitelline ducts. d. The vagina and penis. e. Micrograph in polarised light of the section in (b) showing the circular muscle of the penis and the highly refractive granules (white) present in the digestive epithelium. There are no granules in the genito-intestinal canal (cf. M. terrestris and M. scharffi).