Orientidia thoawanae Williams, 2019

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 : 64-65

Orientidia thoawanae Williams, 2019

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( Figs 22C, 22D)

Orientidia thoawanae Williams in Williams et al., 2019b: 38, ♀, holotype ♀ ( Prince of Songkhla University, Hat Yai, Songkhla, Thailand) [ CSCA]; Thaochan et al. 2022: 163, ♀ ; Boutin & Vilhelmsen 2024: supplementary table S2, S3, ♀.

Orientidia thoawani [sic]: Pagliano et al. 2020: 254. Incorrect subsequent spelling.

Material examined. 7♀. Vietnam: QUANG NINH: Dong Kho Island, 21°06'N 107°36'E, 20.III.1987, V. Kuznetzov leg. [2♀ IBSS]; Dong Kho Island , litter, 21.III.1987, L. Filatova leg. [1♀ IBSS] ; HOA BINH: Ha Son Binh Prov. [= Hoa Binh], Da Bac, Tuly [= Tu Ly], forest, 19.X.1990, S. Belokobylskij leg. [1♀ IBSS]; Ky Son, Cao Phong, forest, 28.X.1990, S. Belokobylskij leg. [1♀ IBSS] ; NINH BINH: Cuc Phuong, 27.IV.1996, Y. Okushima leg. [1♀ TUA]; Nho Quan, Cuc Phuong National Park , 20.354N, 105.588E, 500 m alt., 8.VIII.2016, T. Mita leg., 314/BTTNVN [1♀ VNMN] .

Identification source. Keyed using Williams et al. (2019b) and compared with the original description.

Previous record. None.

Distribution. Malaysia. Thailand. Vietnam *: Quang Ninh, Hoa Binh, Ninh Binh.

Occurrence in Vietnam. March, April, August, October. South China-Vietnam subtropical evergreen forests, Northern Indochina subtropical forests, and Northern Vietnam lowland rain forests ecoregions. 500 m alt. Forest.

Sex association. Male unknown.

Remarks. Unlike other Orientidia females, this species has a narrow spine-like scutellar scale. Discovery of the male could confirm its placement in Orientidia or necessitate its transfer to a different genus, possibly Promecidia Lelej, 1996 .

Genus Pagdenidia Lelej, 1996

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Pagdenidia Lelej, 1996b: 7 , ♂ ♀; Lelej 2005: 69; Lelej & Brothers 2008: 42 ; Pagliano et al. 2020: 254. Type species: Timulla (Trogaspidia) mickeli Pagden, 1949 (♂ ♀, holotype ♂), by original designation.

Diversity and distribution. This Oriental genus includes seven species (Lelej 2005; Pagliano et al. 2020).

Remarks. Of the seven Pagdenidia species, six species are known from the male only and one species, Pa. mickeli , is known from both sexes. This genus was reviewed by Pagden (1949) as the Timulla (Trogaspidia) erato group. His identification key includes six species known at that time.