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Issue: Vol. 5679 No. 4: 15 Aug. 2025
Type: Article
Published: 2025-08-15
DOI: 10.11646/zootaxa.5679.4.6
Page range: 573-584
Abstract views: 45
PDF downloaded: 0

Taxonomy of the genus Chalybion Dahlbom, 1843 (Hymenoptera: Sphecidae) from Vietnam, with description of a new species

Institute of Biology; Vietnam Academy of Science and Technology; 18 Hoang Quoc Viet; Nghia Do; Cau Giay; Ha Noi; Vietnam
Museum für Naturkunde Berlin; Invalidenstraβe; 43; 10115 Berlin; Germany
Institute of Biology; Vietnam Academy of Science and Technology; 18 Hoang Quoc Viet; Nghia Do; Cau Giay; Ha Noi; Vietnam
Institute of Biology; Vietnam Academy of Science and Technology; 18 Hoang Quoc Viet; Nghia Do; Cau Giay; Ha Noi; Vietnam
Hymenoptera nest-renting wasp Oriental region Sceliphrini species-group taxonomic situation

Abstract

Based on the specimens deposited in the Institute of Biology, Hanoi, Vietnam and the Museum für Naturkunde Berlin, Berlin, Germany, the nest-renting wasp genus Chalybion Dahlbom from Vietnam is studied. Eight species of the genus are recorded from the country. Of these, Chalybion iridescens Pham & Ohl, sp. nov. is described and illustrated. Keys to both sexes of the Vietnamese Chalybion species, new distributional records for some species, and a key to the species of the Chalybion madecassum group are provided. The status of Chalybion clarebaltazarae Abenis & Lit, 2019 and Chalybion stephenreyesi Abenis & Lit, 2019 from the Philippines is critically discussed. Both species are probably invalid, but require further investigations.

 

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How to Cite

Pham, P.H., Ohl, M., Nguyen, A.T.T. & Nguyen, D.T. (2025) Taxonomy of the genus Chalybion Dahlbom, 1843 (Hymenoptera: Sphecidae) from Vietnam, with description of a new species. Zootaxa, 5679 (4), 573–584. https://doi.org/10.11646/zootaxa.5679.4.6