Figure 4 from: Morffe J, Rodríguez N (2013) Batwanema gen. n. and Chokwenema gen. n. (Oxyurida, Hystrignathidae), new nematode genera as parasites of Passalidae (Coleoptera) from the Democratic Republic of Congo. ZooKeys 361: 1-13. https://doi.org/10.3897/zookeys.361.6351
Figure 3 from: Morffe J, Rodríguez N (2013) Batwanema gen. n. and Chokwenema gen. n. (Oxyurida, Hystrignathidae), new nematode genera as parasites of Passalidae (Coleoptera) from the Democratic Republic of Congo. ZooKeys 361: 1-13. https://doi.org/10.3897/zookeys.361.6351
Figure 2 from: Morffe J, Rodríguez N (2013) Two new genera of nematode (Oxyurida, Hystrignathidae) parasites of Passalidae (Coleoptera) from the Democratic Republic of Congo. ZooKeys 257: 1-15. https://doi.org/10.3897/zookeys.257.3666
Figure 2 from: Rodríguez J, Rodríguez N (2010) Hystrignathus dearmasi sp. n. (Oxyurida, Hystrignathidae), first record of a nematode parasitizing a Panamanian Passalidae (Insecta, Coleoptera). ZooKeys 57: 1-8. https://doi.org/10.3897/zookeys.57.477