Fig. 32

Male reproductive apparatus of the sub-genus Monodopisthcanthus Lourenço, 2001. Opisthacanthus (Monodopisthacanthus) cf. madagascariensis Kraepelin, 1894 (Madagascar, Toliara Province, MHNG). Hemispermatophore (a – c). Post-insemination spermatophore (d, f, g). Lateral (a, f, g), anterior (b), contra-lateral (c), and dorsal (d) aspects. Detail of the ventral coxo-sternal region of an inseminated female, showing the spermatophore attached to the coxapophysis II by the lateral crest of the lamina (e). The white arrow shows the deep invagination of the basal edge of the capsule. The black arrow indicates the site and direction of semen expulsion. Abbreviations: adc (antero-distal crest), hos (holosolenos), hs (hemisolenos), lah (laminar hook). Scales, 2 mm (a, g), 1 mm (b–d, f)