Polistes (Polistella) sagittarius de Saussure, 1853

Polistes sagittarius de Saussure, 1853: 56, female, "Les Indes−Orientales, la Chine" [syntypes in the Museum d’Histoire Naturelle, Genève, and The Natural History Museum, London].

Material examined.

Northeastern provinces Ha Giang: 1 male, Tung Ba, Vi Xuyen, 24.VI.2013, T.V. Nguyen; Bac Kan: 2 females, Kim Hy NP,Na Ri, alt. ca 600−700 m, 22°19'N, 105°54'E, 4.VIII.2012, L.T.P. Nguyen et al.; Bac Giang: 1 female, Thanh Son, Son Dong, 21°13'N, 106°45'E, 7.VII.2010, D.D. Tran. Other provinces: Hai Phong: 1 female, Cat Ba NP, Cat Hai, 20°43'N, 107°04'E, alt. ca. 30 m, 26.VII.2013, L.T.P. Nguyen & D.D. Nguyen;Other provinces: Lao Cai: 1 female,Ta Chai, Bac Ha, 22°31'N, 104°17'E, 26.VI.2008, L.T.P. Nguyen & P.H. Pham; Nghe An: 1 female, Mon Son, Con Cuong, 18°56'N, 104°56'E, 27.VII.2004, L.T.P. Nguyen; 1 female, Khe Bo, Con Cuong, 19°03'N, 104°43'E, alt. ca 120 m, 25−28.IV.1998, J.M. Carpenter; Gia Lai: 3 females, Ia Pal, Chu Se, 13°39'N, 108°08'E, alt. ca 370 m, 20−21.VII.2012, L.T.P. Nguyen; Dak Lak: 1 female, Buon Ho, 121°59'N, 108°14'E, alt. ca 770 m, 23.VII.2012, L.T.P. Nguyen; Binh Duong: 2 females, Binh Hoa, Thuan An, 10°54'N, 106°43'E, 20.VII.2002, L.D. Khuat.

Remarks on distribution.

This species is widely distributed in southern Asia with subtropical and tropical climates, from northwestern India in the west, through continental southeast Asia, to Palawan in the Phillippines, Sulawesi and Flores in the Lesser Sunda Islands in the east. Recorded widely in the provinces of Ha Giang, Lai Chau, Vinh Phuc, Ha Tay (Nguyen and Khuat 2003), Son La, Hoa Binh (Nguyen and Pham 2011), Lao Cai, Bac Kan, Bac Giang, Hai Phong, Nghe An, Gia Lai, Dak Lak, Binh Duong (present study), this species may occur throughout Vietnam.