Hemutilla bifurcata ( Chen, 1957 )

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 : 16

Hemutilla bifurcata ( Chen, 1957)

urn:lsid:zoobank.org:act:C38A8AA6-162E-4420-A0C4-1DBA6CF68445

( Figs 3E, 3F)

Cystomutilla bifurcata Chen, 1957: 152 , ♀, holotype ♀ (Tachulan [= Dazhulan], Showu, Fukien [= Fujian], China) [unknown]; Lelej 2005: 107; Hua 2006: 299.

Hemutilla bifurcata : Tu et al. 2014: 87, ♀; Brothers & Lelej 2017: 57, ♀; Okayasu et al. 2018: 306, ♀; Pagliano et al. 2020: 28.

Material examined. 2♀. Vietnam: THUA THIEN HUE: near Bach Ma National Park , 19 km point, 16.198°N 107.860°E, 1400 m alt., 3–6.VIII.2016, Y. Komeda & T. Mita leg., yellow pan trap, 253/BTTNVN [1♀ VNMN] ; LAM DONG: Bao Loc, Dambri , 26.XII.2001, K. Okajima leg. [1♀ TUA] .

Identification source. Keyed using Tu et al. (2014) and compared with the original description.

Previous record. None.

Distribution. China. Vietnam *: Thua Thien Hue, Lam Dong.

Occurrence in Vietnam. August, December. Northern Vietnam lowland rain forests and Southern Annamites montane rain forests ecoregions. 1400 m alt.

Sex association. Male unknown.

Remarks. The type specimens of this species were not found in TARI, where Chen’s types are presently deposited (JO pers. obs.). Before this study, Hemutilla was known from China and Taiwan only. The record from Lam Dong expands its distributional range to southern Vietnam.