Intrauterine eggs of <i>Centrocestus formosanus</i>.

<p><b>(A)</b> Non-embryonated (immature) and <b>(B)</b> embryonated after 12 days of incubation. Scale bars = 20 μm.</p

Larval stages of <i>Centrocestus formosanus</i> found in experimentally infected <i>Melanoides tuberculata</i>.

<p><b>(A)</b> Cercaria obtained after photostimulation test performed at 84 days after infection. <b>(B)</b> Young rediae found in mollusc evaluated by the crushing method at 90 days of infection. Scale bars: 50 μm.</p