Hermes, M.G. and Lopes, R.B. 2018.

A new species of Zethus Fabricius (Hymenoptera, Vespidae, Zethinae) from Northeast Brazil, with notes on morphology and distributional records of Z. alessandroi Lopes

. Zootaxa. 4462, 2 (Aug. 2018), 245–250. DOI:https://doi.org/10.11646/zootaxa.4462.2.6.