Figure 4 from: Karssen G, Ahmed M, van de Vossenberg B, Cornelisse C (2013) On the species status of the root-knot nematode Meloidogyne ulmi Palmisano & Ambrogioni, 2000 (Nematoda, Meloidogynidae). ZooKeys 362: 1-27. https://doi.org/10.3897/zookeys.362.6352 - Ahmed, Mohammed (2013)