Orancistrocerus aterrimus nigriceps van der Vecht, 1963

Truong, Lam Xuan, Bozdoğan, Hakan & Nguyen, Lien Thi Phuong, 2019, Taxonomic studies on the genus Orancistrocerus van der Vecht, 1963 (Hymenoptera: Vespidae: Eumeninae) from Vietnam, with description of a new species, Zootaxa 4563 (3), pp. 595-599 : 596

Orancistrocerus aterrimus nigriceps van der Vecht, 1963

( Figs 1–2)

Orancistrocerus aterrimus nigriceps van der Vecht, 1963 , Zool. Verh., Leiden 60: 102 (key), 106, male - “Indo-China: ... Cochinchine, Phuquoc” (Brussels).

Material examined. VIETNAM: Ha Giang: 1 ♀, Dong Van , 12 July 2015, L.D. Khuat ; Cao Bang: [2 ♀, Tam Kim, Nguyen Binh, 22°36'17"N, 106°01'47.6"E, 299 m, 18 October 2015; 1 ♀, Tran Hung Dao forest , Nguyen Binh , 22°36'17"N, 106°01'47.6"E, 470 m, 18 October 2015], L.T.P. Nguyen, D.D. Nguyen & M.P. Nguyen ; Lao Cai: 1 ♀, Hoang Lien NP, Ban Ho, Sa Pa , 27-29 July 2008, L.T.P. Nguyen ; Dien Bien: 1 ♀, Muong Fang , ca 500 m, 23 July 2009, L.T.P. Nguyen, P.H. Pham, J. Kojima ; Tuyen Quang: 1 ♀, Son Phu ranger station, Na Hang NR, Na Hang , 22°21.2'07"N, 105°24'34.7"E, 264 m, L.T.P. Nguyen, D.D. Nguyen & L.X. Truong; Lang Son: Cai Kinh, Huu Lung [1 ♂, 20°31'37.6"N, 105°0'24.2"E, 86 m, 16 July 2016, L.T.P. Nguyen, D.D. Nguyen, N.T. Tran; 2 ♀, 22°39'42.9"N, 106°15'36"E, L.T.P. Nguyen, D.D. Nguyen, N.T. Tran; 1 ♀, Huu Lien NR, Lan Nghe, Huu Lien , Huu Lung, 21°33'48.6"N, 106°24'36.4"E, 289 m, 11 June 2018, L.T.P. Nguyen et al.]; Bac Giang: 1 female, Dong Bay, An Lac , Son Dong, Bac Giang, 21°20'42.8"N, 106°56'31.1"E, 12 August 2012, J. Kojima, H. Nugroho & IED-c; Quang Ninh: 1 ♀, Dong Quang, Hoanh Bo , 2 August 2013, T. V. Tran; Hai Phong: 1 ♀, Cat Ba NP, Cat Hai , 20°47'38"N, 106°59'45"E, 25 July 2013 L.T.P. Nguyen & D. D. Nguyen; Vinh Phuc: 1 ♀, Ngoc Thanh, Me Linh , 7 June 2001, L.X. Truong; Hoa Binh: 1 ♀, Bao Hieu, Yen Thuy, 14 July 1999, L.X. Truong; 1 ♀, Yen Thuy , 1 May 2012, T.V. Hoang; 1 ♂, Lac village , Chieng Chau , Mai Chau , ca 600 m, 1 June 2008, L.T.P. Nguyen; Thanh Hoa: 1 ♀, 1 ♂, Xuan Lien NP, Hon Can, Van Xuan, Thuong Xuan, 19°51'55.5"N, 105°14'28.8"E, ca 120 m, Nest #2012-TH-Eumeninae-01, 23 August 2012, L.T.P. Nguyen; 1 ♀, Xuan Lien NP, Hon Can, Van Xuan , Thuong Xuan, 19°52'27.5"N, 105°14'20.8"E, ca 110 m, 23 August 2012, L.T.P. Nguyen; Da Nang: 1 ♀, Vinh An, Phu Ly, Vinh Cuu , 30 July 2008, ISD-c; Dak Lak: 1 ♀, Chu Yang Sin NP, Krong Kmar, Krong Bong , 12°25'02.8"N, 108°22'30.8"E, ca 1081 m, 4 May 2016, L.T.P. Nguyen, D.D. Nguyen, N.T. Tran; Lam Dong: 2 ♀, Bidoup Nui Ba NP, Da Lat , 12°10'56.7"N, 108°40'47.9"E, ca 1458 m, 7 May 2016, L.T.P. Nguyen, D.D. Nguyen, N.T. Tran. CHINA: 1 ♀, 1 ♂, Tianzhu , Guizhou, August 2009, Wang Yang-wen.

Distribution. Vietnam, China (new record).