Figure 5 from: Sartori M (2014) Status of the enigmatic Oriental genus Rhithrogeniella Ulmer, 1939 (Ephemeroptera, Heptageniidae). ZooKeys 429: 47-61. https://doi.org/10.3897/zookeys.429.8116

Figure 5 - Rhithrogeniella ornata Ulmer, 1939, SEM pictures of egg structures. 5a Egg extracted from a female subimago paratype from Padang, Sumatra 5b Details of the chorionic structure of a female nymph from Ombilin River, Sumatra 5c Details of the chorionic structure and micropyle of a female subimago paratype from Buitenzorg [Bogor], Java 5d chorionic surface of the female allotype from Buitenzorg [Bogor], Java.