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Two new species of Optatus Pascoe and Macroptatus Heller (Coleoptera, Curculionidae, Baridinae), with a reappraisal of generic characters

. Zootaxa. 5244, 4 (Feb. 2023), 377–386. DOI:https://doi.org/10.11646/zootaxa.5244.4.4.