Bartholomay, P.R., Waldren, G.C. and Oliveira, M.L. 2017. Observation of a mixed-sex, mixed-species aggregation of velvet ants, genus Timulla Ashmead, 1899 (Hymenoptera: Mutillidae) in the Brazilian Amazon, Roraima, with a new synonymy. Zootaxa. 4362, 1 (Dec. 2017), 135–140. DOI:https://doi.org/10.11646/zootaxa.4362.1.8.