Divelec, R.L. 2022.

A taxonomic review of the Tracheliodes quinquenotatus (Jurine, 1807) species complex and some new records of rare European Tracheliodes A. Morawitz, 1866 (Hymenoptera, Crabronidae)

. Zootaxa. 5099, 2 (Feb. 2022), 244–260. DOI:https://doi.org/10.11646/zootaxa.5099.2.5.