Figs. 5–8.

P. claviforme and P. griseofulvum as food: 5—mesenteron filled by P. claviforme spores, horizontal section, black arrows point to intact spores with contents; white arrows point to digested, empty spores; 6—P. claviforme—excrement filled with bacteria (points of light); 7—P. griseofulvum as food—rectum, horizontal section (black arrowheads point to intact spores; white arrowheads point to digested, empty, digested spores); 8—P. griseofulvum—excrement with intact spores (dark green or black round spots). Masson’s trichrome (5, 7), orange G, fluorescent light (6, 8). Scale bars: 20 µm (5, 6, 7, 8).