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Issue: Vol. 5668 No. 1: 31 Jul. 2025
Type: Monograph
Published: 2025-07-31
DOI: 10.11646/zootaxa.5668.1.1
Page range: 1-104
Abstract views: 431
PDF downloaded: 22

Current knowledge on the velvet ants (Hymenoptera: Mutillidae, Myrmosidae) of Vietnam: faunal review and new distributional records

Systematic Entomology; Research Faculty of Agriculture; Hokkaido University; North 9 West 9; Sapporo; 060-8589 Japan; Institute for Integrated Innovations; Hokkaido University; North 12 West 7; Sapporo; 060-0812 Japan
Federal Scientific Center of the East Asia Terrestrial Biodiversity; Far East Branch of the Russian Academy of Sciences; Vladivostok; 690022; Russia
Plant Pest Diagnostic Center; California Department of Food & Agriculture; 3294 Meadowview Road; Sacramento; CA 95832; USA
Department of Entomology; University of Wisconsin-Madison; 1630 Linden Drive; Madison; WI 53706; USA
Institute of Biology; Vietnam Academy of Science and Technology; 18 Hoang Quoc Viet Road; Nghia Do; Cau Giay; Hanoi; Vietnam; Graduate University of Science and Technology; Vietnam Academy of Science & Technology; 18 Hoang Quoc Viet Road; Nghia Do; Cau Giay; Hanoi; Vietnam
Institute of Biology; Vietnam Academy of Science and Technology; 18 Hoang Quoc Viet Road; Nghia Do; Cau Giay; Hanoi; Vietnam; Graduate University of Science and Technology; Vietnam Academy of Science & Technology; 18 Hoang Quoc Viet Road; Nghia Do; Cau Giay; Hanoi; Vietnam
Mientrung Institute for Scientific Research; Vietnam National Museum of Nature; Vietnam Academy of Science and Technology; 321 Huynh Thuc Khang; Hue; Vietnam
Mientrung Institute for Scientific Research; Vietnam National Museum of Nature; Vietnam Academy of Science and Technology; 321 Huynh Thuc Khang; Hue; Vietnam
Hymenoptera Aculeata biodiversity distribution ecoregion Oriental Region parasitoid wasps Southeast Asia taxonomy tropics

Abstract

Tropical and subtropical regions of East Asia harbor enormous yet undiscovered diversity of velvet ants. Nevertheless, continental Southeast Asia has been less intensively studied compared to Northeast Asia and islands of the Pacific Ocean. In this paper, the velvet-ant fauna of Vietnam is reviewed based on primary literature and specimens obtained in recent field surveys and from various museum collections. Before this study, fifty species were recorded, mostly from the northern provinces. Here, we examined 734 specimens and the following twenty-seven species are newly recognized from this country: Pherotilla brothersi Zhou, Lelej & Xu, 2017 (Rhopalomutillinae), Hemutilla bifurcata (Chen, 1957), H. granulata Tu, Lelej & Chen, 2014 (Sphaeropthalminae), Bischoffitilla malica (Zavattari, 1914), B. mammallifera (Chen, 1957), B. perakensis (Pagden, 1934), B. tumidula (Mickel, 1933) (Myrmillinae), Kurzenkotilla harmandi (André, 1898) (Mutillinae: Mutillini), Andreimyrme davidi (André, 1898), Mickelomyrme exiloides (Magretti, 1892), M. isora (Cameron, 1900), M. puttasoki Williams, 2019, Promecilla decora (Smith, 1879), P. levinaris (Chen, 1957), Sinotilla ansula (Chen, 1957), S. hong Lelej, 1995, S. trisecta (Chen, 1957), Smicromyrme thaochani Williams, 2019 (Mutillinae: Smicromyrmini), Krombeinidia chang Williams, 2019, Kr. meeungensis (Cockerell, 1928), Neotrogaspidia recticarinata (Chen, 1957), Orientidia thoawanae Williams, 2019, Pagdenidia hymalajensis (Radoszkowski, 1885), Promecidia abnormis Lelej, 2016, Trogaspidia wilsoni Williams, 2019, Wallacidia retinula (Chen, 1957) (Mutillinae: Trogaspidiini), and Zeugomutilla pangi Lelej, 2017 (Mutillinae: Zeugomutillini). Additionally, 169 new provincial records are presented. As a supplement to the previously published works, specimen-based records are provided for the species recorded without reference to voucher material. Taxonomic history, geographic distribution, sex association, seasonal occurrence, and habitats are reviewed for all 77 species in 29 genera. The number of known species from each province was greatly variable, and 46.0% of the 63 provinces currently have no recorded velvet ants. Twenty-five of the 77 recorded species are described from both sexes. Hosts are known for only two species. These data highlight the need for intensive field surveys, specifically in the southern provinces, to elucidate the true biodiversity of velvet ants in this country, which is likely even higher than what is documented here.

 

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How to Cite

Okayasu, J., Lelej, A.S., Williams, K.A., Brabant, C.M., Nguyen, L.T.P., Nguyen, A.D., Pham, T.H. & Truong, T.T.C. (2025) Current knowledge on the velvet ants (Hymenoptera: Mutillidae, Myrmosidae) of Vietnam: faunal review and new distributional records. Zootaxa, 5668 (1), 1–104. https://doi.org/10.11646/zootaxa.5668.1.1