Taeger, A., Liston, A.D., Prous, M., Groll, E.K., Gehroldt, T. & Blank S.M. 2018: ECatSym – Electronic World Catalog of Symphyta (Insecta, Hymenoptera). Program version 5.0 (19 Dec 2018), data version 40 (23 Sep 2018). – Senckenberg Deutsches Entomologisches Institut (SDEI), Müncheberg. (Σύνδεσμος)
For further reference, the synonymy of Pontania (and other genera) under Euura took place in: Prous et al. 2014. The genera of Nematinae (Hymenoptera, Tenthredinidae) . Journal of Hymenoptera Research 40: 1-69. https://doi.org/10.3897/JHR.40.7442
Unintended disagreements occur when a parent (B) is
thinned by swapping a child (E) to another part of the
taxonomic tree, resulting in existing IDs of the parent being interpreted
as disagreements with existing IDs of the swapped child.
Identification
ID 2 of taxon E will be an unintended disagreement with ID 1 of taxon B after the taxon swap
If thinning a parent results in more than 10 unintended disagreements, you
should split the parent after swapping the child to replace existing IDs
of the parent (B) with IDs that don't disagree.
For further reference, the synonymy of Pontania (and other genera) under Euura took place in: Prous et al. 2014. The genera of Nematinae (Hymenoptera, Tenthredinidae) . Journal of Hymenoptera Research 40: 1-69. https://doi.org/10.3897/JHR.40.7442