The unnatural grouping of Deuterodiscoelius Dalla Torre, 1904, and Pachycoelius Giordani Soika, 1969 (Hymenoptera, Vespidae), and a remarkable new species.
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- American Museum Novitates, 2024, v. 2024, n. 4020, p. 1, doi. 10.1206/4020.1
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- Article