Trogaspidia pagdeni (Mickel, 1933)

Okayasu, Juriya, Lelej, Arkady S., Williams, Kevin A., Brabant, Craig M., Nguyen, Lien Thi Phuong, Nguyen, Anh Duc, Pham, Thai Hong & Truong, Tuong Thi Cat, 2025, Current knowledge on the velvet ants (Hymenoptera: Mutillidae, Myrmosidae) of Vietnam: faunal review and new distributional records, Zootaxa 5668 (1), pp. 1-104 : 75-76

Trogaspidia pagdeni (Mickel, 1933)

urn:lsid:zoobank.org:act:57CEE861-65BD-4267-87E2-80025B970C9D

urn:lsid:zoobank.org:act:BAC58EED-3186-4DC5-8C8F-61D95FA379D9

( Figs 27A–27D)

Timulla (Trogaspidia) pagdeni Mickel, 1933b: 284 , ♂ ♀, holotype ♂ (Serdang, [Selangor], Federated Malay States [= Malaysia]) [NHMUK]; Wu 1941: 136.

Timulla (Trogaspidia) pagdeni nodoa Mickel, 1933b: 288 , ♂ ♀, holotype ♀ (Beggar Village s. w. of Nodoa, Hainan Island, China) [UMSP]; Mickel 1933c: 309; Wu 1941: 136. Synonymized by Williams et al. (2019b: 45) under Trogaspidia pagdeni (Mickel, 1933) .

Trogaspidia pagdeni pagdeni : Chen 1957: 171, ♂ ♀; Lelej 2005: 98; Okayasu et al. 2018: 305, ♀; Boutin & Vilhelmsen 2024: supplementary table S2, S3, ♀.

Trogaspidia pagdeni nodoa : Chen 1957: 171, ♂ ♀; Lelej 2005: 98; Okayasu et al. 2018: 305, ♀; Barthélémy et al. 2018: 238 , ♂ ♀; Boutin & Vilhelmsen 2024: supplementary table S2, S3, ♀; Barthélémy & Guénard 2025: 78, ♀.

Trogaspidia pagdeni : Williams et al. 2019b: 45 , ♀; Pagliano et al. 2020: 238.

Material examined. 12♂ 8♀. Vietnam: BAC KAN: Tonkin [= North Vietnam], Bae Kan [= Bac Kan], 1907, P. Lemee leg. [1♀ RBINS] ; THAI NGUYEN: Na Hau Village , forest, open site, 21°35'N 105°36'E, 7–8.XI.2001, Sk. Yamane leg. [2♀ SKYC] ; VINH PHUC: Meninh Biodiversity Station , 21°23'18"N 105°42'46"E, 23–25.VI.2014, M. Hauser & N. von Ellenrieder leg., hand collected [2♂ CSCA] ; HAI PHONG: Island Cat Ba , 8.I.1989, Gudkov leg. [1♀ IBSS] ; Cat Ba Sin NP, trail, 20.X.2009, R. de Vries leg. [1♂ RMNH] ; HOA BINH: Ha Son Binh Prov. [= Hoa Binh], Da Bac, Tuly [= Tu Ly], forest, bamboo, 22.X.1990, S. Belokobylskij leg. [1♂ 1♀ IBSS] ; NINH BINH: Cuc Phuong National Park , 13.XI. 2008, V. Bezborodov leg. [1♀ IBSS] ; Cuc Phuong National Park , 10.XI.2001, K. Ogata leg. [1♀ SKYC] ; THUA THIEN HUE: Bach Ma NP, Entrance , 16.250N, 107.873E, 50 m alt., 2–6.VIII.2016, T. Mita leg., yellow pan trap, 253/BTTNVN [2♂ VNMN] ; DA NANG: Danang Island , 16°06'10"N 108°15'54"E, 10 m, 6–8.IV.2011, C. v. Achterberg leg., hand net [1♂ RMNH] ; DAK LAK: Chu Yang Sin NP, near river, 740 m, 1–10.VI.2007, C. v. Achterberg & R. de Vries leg., malaise [1♂ RMNH] ; NINH THUAN: Nui Chua NP, northwest part, 150 m, 24–30.V.2007, C. v. Achterberg & R. de Vries leg., malaise [2♂ RMNH] ; HO CHI MINH: Saigon , I.1924, Le Moult Vendit [1♀ RBINS] ; DONG NAI: Cat Tien NP, lagerstroemia trail, 100 m, 14–20.V.2007, C. van Achterberg & R. de Vries leg., malaise [1♂ RMNH] ; Cat Tien NP, garden, 100 m, 13–20.V.2007, C. van Achterberg & R. de Vries leg., malaise [1♂ RMNH] .

Identification source. Compared with type [SYSM]. Compared with voucher specimens from Thailand ( Williams et al. 2019b) [ CSCA] .

Previous record. This species was recorded from Nghe An and an ambiguous locality by Boutin & Vilhelmsen (2024).

Distribution. China. Laos. Malaysia. Thailand. Vietnam: Bac Kan *, Thai Nguyen *, Vinh Phuc *, Hai Phong *, Hoa Binh *, Ninh Binh *, Nghe An, Thua Thien Hue*, Da Nang *, Dak Lak *, Ninh Thuan *, Ho Chi Minh *, Dong Nai *.

Occurrence in Vietnam. January, April to June, October, November. South China-Vietnam subtropical evergreen forests, Northern Indochina subtropical forests, Northern Vietnam lowland rain forests, Southern Annamites montane rain forests, Southern Vietnam lowland dry forests, and Southeast Indochina dry evergreen forests ecoregions. 10–740 m alt. Bamboo, forest (open site).

Sex association. This species was described from both sexes collected in copula.

Remarks. Previously, two subspecies were recognized, but they overlap in distribution and their color differences form a variable gradient, which led to their formal synonymy ( Williams et al. 2019b).