Pagdenidia hymalajensis ( Radoszkowski, 1885 )

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 : 65-66

Pagdenidia hymalajensis ( Radoszkowski, 1885)

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( Figs 22E, 22F)

Mutilla hymalajensis Radoszkowski, 1885: 13 , ♂, holotype ♂ (Himalaja [= Himalaya]) [ISEA]; Dalla Torre 1897: 47.

Mutilla himalajensis [sic]: André 1899: 30, ♂. Incorrect subsequent spelling.

Mutilla himalayensis [sic]: André 1902b: 39. Incorrect subsequent spelling.

Mutilla stephani Magretti, 1892: 31 , ♂, lectotype ♂ (Monti dei Carin–Chebà (900–1000 m. s./m.) [= mountain area in Karen Hills], [ Myanmar]) [MSNG], designated by Pagden (1949: 205); Bingham 1897: 43, ♂; Dalla Torre 1897: 88; Clausen et al. 1932: 22. Synonymized by André (1899: 30) under Mutilla hymalajensis Radoszkowski, 1885 .

Timulla (Trogaspidia) stephani : Pagden 1949: 204, ♂.

Pagdenidia stephani : Lelej 1996b: 7, ♂.

Pagdenidia hymalajensis : Lelej 2005: 69; Pagliano et al. 2020: 255.

Material examined. 1♂. Vietnam: GIA LAI: Buon Luoi , 22.III–10.IV.1995, A. Gorochov leg. [1♂ IBSS] .

Identification source. Compared with voucher specimens from China and Thailand ( Lelej 1996b, 2005) [ ZMMU].

Previous record. None.

Distribution. China. India. Myanmar. Thailand. Vietnam *: Gia Lai.

Occurrence in Vietnam. March, April. Southern Vietnam lowland dry forests ecoregion.

Sex association. Female unknown.

Remarks. This species is a hyperparasitoid of Tiphia matura Allen & Jaynes, 1930 (= Tiphia simlaensis Cameron, 1904 ; syn. by Allen 1975: 27) ( Hymenoptera : Tiphiidae ) on a scarab beetle ( Coleoptera : Scarabaeidae ) ( Clausen et al. 1932).

Genus Petersenidia Lelej, 1992

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Petersenidia Lelej in Lelej & Yamane, 1992: 628, ♂ ♀; Lelej 1996b: 9, ♂ ♀; Lelej 2005: 70; Lelej & Brothers 2008: 45 ; Pagliano et al. 2020: 255. Type species: Smicromyrme fukudai Tsuneki, 1972 (♂), by original designation.

Diversity and distribution. This genus is widespread in the Oriental Region and reaches the Palaearctic part of Japan. Forty-four species are included (Lelej 2005, 2021; Williams et al. 2019b; Pagliano et al. 2020).

Remarks. Many species of the former Petersenidiini Lelej, 1996, whose systematic position is uncertain, are now placed in this genus ( Williams et al. 2019b). Of the 44 Petersenidia species, 22 are doubtfully assigned to this genus at present.