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Pikart, T.G., Costa, V.A., Hansson, C., Cristo, S.C.D. and Vitorino, M.D. 2017.

A survey for potential biological control agents of Pereskia aculeata Miller (Cactaceae) in Brazil reveals two new species of Horismenus Walker (Hymenoptera: Eulophidae)

. Zootaxa. 4272, 3 (May 2017), 430–438. DOI:https://doi.org/10.11646/zootaxa.4272.3.8.