Fig. 2

C. dipterum culture in the laboratory. a Couple of adults mating through forced copula. b Temporal sequence of a gravid female laying fertilised eggs that after 94 s hatch as swimming nymphs (white arrowheads). c, d Fertilised eggs and nymphs hatching. e Freshly hatched nymphs. f Culture system in the laboratory. Nymphs are in the beaker with bubbling water and algae. The beaker is placed inside a plastic bottle to keep the subimagos once they emerge from the water. Scale bars: 50 μm