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Bollino, M. 2022.

Three new species of Pachyrhynchus Germar 1824, (Coleoptera, Curculionidae, Entiminae) from Mindanao Island, The Philippines, with taxonomical notes

. Zootaxa. 5116, 4 (Mar. 2022), 504–516. DOI:https://doi.org/10.11646/zootaxa.5116.4.2.