Wang, H.-C., Chen, B. and Li, T.-J. 2019.

A new species and new record of the genus Discoelius Latreille, 1809 (Hymenoptera: Vespidae: Eumeninae) from China

. Zootaxa. 4686, 2 (Oct. 2019), 297–300. DOI:https://doi.org/10.11646/zootaxa.4686.2.11.