The genus Chalybion Dahlbom, 1843 (Hymenoptera: Sphecidae) from Northwest Vietnam, with description of a new species Author Pham, Phong Huy Author Ohl, Michael Author Truong, Lam Xuan text Zootaxa 2019 2019-12-19 4712 2 202 210 journal article 24548 10.11646/zootaxa.4712.2.2 5d5945e4-d636-44c0-84eb-7eb926b1b91a 1175-5326 3587019 24AF598E-8770-41F4-9259-4E11300B6222 Chalybion dolichothorax ( Kohl, 1918 ) ( Fig. 12 ) Material examined : VIETNAM : Hoa Binh : 1 ♀ , Tan Lac , Yen Thuy (area of Cuc Phuong National Park ), 10- 25.v.2002 , Malaise trap , Long Dang Khuat . Distribution : Vietnam : Tonkin Central (= Hanoi of Vietnam currently) ( Hensen 1988 ); Hoa Binh (new record). Elsewhere : China , Laos .