Bischoffitilla lamellata (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 : 25

Bischoffitilla lamellata (Mickel, 1933)

urn:lsid:zoobank.org:act:7F1DE646-0676-4D50-8D69-FAF6A113D84Durn:lsid:zoobank.org:act:7F169B49-306E-46A1-9BCC-776A36F44774

( Figs 6C, 6D, 7A, 7B)

Squamulotilla lamellata Mickel, 1933c: 295 , ♀, holotype ♀ (Honan Island [= Haizhu], Canton [= Guangzhou], [Guangdong], China) [UMSP]; Wu 1941: 135; Chen 1957: 145, ♀.

Squamulotilla arundinacea Pagden, 1934a: 445 , ♀, holotype ♀ (Parit Buntar, Perak, Federated Malay States [= Malaysia]) [NHMUK]; Mickel 1935: 196, ♀. Synonymized by Williams et al. (2019b: 12) under Bischoffitilla lamellata (Mickel, 1933) .

Bischoffitilla arundinacea : Lelej 2002: 127; Lelej 2005: 24; Okayasu et al. 2018: 302, ♀; Pagliano et al. 2020: 140, ♀; Boutin & Vilhelmsen 2024: supplementary table S3, ♀.

Bischoffitilla lamellata : Lelej 2002: 127; Lelej 2005: 27; Hua 2006: 299; Barthélémy et al. 2018: 232 , ♂ ♀; Okayasu et al. 2018: 303, ♀; Williams et al. 2019b: 12 , ♀; Pagliano et al. 2020: 142; Nguyen & Dang 2024: 55, ♂ ♀; Boutin & Vilhelmsen 2024: supplementary table S2, S3, ♀; Barthélémy & Guénard 2025: 79, ♂ ♀.

Material examined. 16♂ 38♀. Vietnam: BAC KAN: Ba Be Nat. Park , 31.VII–2.VIII.2000, K. Okajima leg. [2♀ TUA] ; VINH PHUC: Meninh Biodiversity Station , 21°23'57"N 105°42'40"E, 1.VII.2007, Sau, malaise [1♂ RBINS] ; Ngoc Thanh, Me Linh Biodiversity station , 21°23'22"N 105°42'48"E, 63 m, 11–20.X.2020, TDD [= T.D. Duong] & TXT [= T.X. Thanh] leg., MT3 [= Malaise trap 3] [1♂ IEBR] ; Ngoc Thanh, Me Linh Bio-Station , 22°16'51"N 105°71'54"E, 10.IV.2021, IED [= Insect Ecology Department] leg., MT [= Malaise trap] [3♂ IEBR] ; Ngoc Thanh, Me Linh Bio-Station , 21°23'03"N 105°42'40"E, 21–30.IV.2021, T.D. Duong & T.X. Thanh leg., MT1 [= Malaise trap 1] [1♂ IEBR] ; HOA BINH: Luong Son, Thanh Lap, Song Village , 26.VI–5.VII.2018, T.D. Duong leg., MT1 [= Malaise trap 1] [1♂ IEBR], 25.IV–15.V.2019 [1♀ IEBR] ; BAC GIANG: Bac Giang , XI.2021, MT [= Malaise trap] [1♂ IEBR] ; QUANG NINH: Phong Vong Island , 20°47'N 107°25'E, 9–10.X.1990, V. Kuznetzov leg. [3♀ IBSS] ; HA TINH: Vu Quang, Ben Cat , 18°19'30"N 105°23'8"E, 30 m, 8.VII.2023, X.L. Truong, T.P.L. Nguyen, Q.C. Nguyen, T.N. Tran leg. [4♀ IEBR], 8.VII.2023 [13♀ IEBR] ; THUA THIEN HUE: Bach Ma NP, Entrance, 253/BTTNVN, 16.250°N 107.873°E, 50 m alt., 2–6.VIII.2016, T. Mita leg., yellow pan trap [1♂ VNMN] ; QUANG NAM: Tam K ỳ, An Phú, 15°36'18.6"N 108°30'2"E, h = - 2.2 m, 23.IV.2023, Đ.T. Hoa leg. [1♀ IEBR] ; GIA LAI: 50 km N An Khe , forest, 30.X.1979, V. Yanushev leg. [1♀ IBSS] ; LAM DONG: Bidoup Nulba NP, near Da Lat , 1650–1700 m, 11–19.X.2005, C. v. Achterberg & R. de Vries leg., malaise [1♂ RMNH] ; NINH THUAN: Nui Chua NP, northeast part, 90–150 m, 23–30.V.2007, C. v. Achterberg & R. de Vries leg., malaise [1♂ RMNH] ; DONG NAI: Cat Tien NP, bird trail, 100 m, 15–20.V.2007, C. v. Achterberg & R. de Vries leg., malaise [4♂ RMNH] ; Cat Tien NP, Ficus trail, 100 m, 1–9.X.2005, C. van Achterberg & R. de Vries leg., malaise [1♀ RMNH] ; BA RIA-VUNG TAU: Xuyen Moc, Binh Chau , 5.I.2002, K. Okajima leg. [1♂ 7♀ TUA] ; Xuyen Moc, Binh Chau , 5.I.2002, T. Ishikawa leg. [3♀ TUA] ; Xuyen Moc, Binh Chau , 5.I.2002, H. Mizushima leg. [1♀ TUA] ; KIEN GIANG: Tho Chu Il., 8–10.IV.1987, V. Kuznetzov leg. [1♀ IBSS] .

Identification source. Compared with voucher specimens from China ( Chen 1957) [ TARI] and description in Barthélémy et al. (2018).

Previous record. This species was recorded from Vietnam (as Bi. arundinacea and Bi. lamellata ) by Lelej (2005) without reference to voucher specimens. Later, Nguyen & Dang (2024) recorded this species from Vinh Phuc.

Distribution. China. Malaysia. Thailand. Vietnam: Bac Kan *, Vinh Phuc, Bac Giang *, Quang Ninh *, Hoa Binh *, Ha Tinh *, Thua Thien Hue*, Quang Nam *, Gia Lai *, Lam Dong *, Ninh Thuan *, Dong Nai *, Ba Ria-Vung Tau *, Kieng Giang*.

Occurrence in Vietnam. January, April to August, October, November. South China-Vietnam subtropical evergreen forests, Northern Indochina subtropical forests, Northern Vietnam lowland rain forests, Northern Annamites rain forests, Southern Annamites montane rain forests, Southern Vietnam lowland dry forests, and Southeast Indochina dry evergreen forests ecoregions. - 2.2–1700 m alt. Forest.

Sex association. This species was initially described from the female only. The male was associated and described by Barthélémy et al. (2018) based on males and females collected at the same place.

Remarks. This species is the most widely distributed and commonest Bischoffitilla species in Indochina.