POLSKA AKADEMIA NAUK MUZEUM I INSTYTUT ZOOLOGII ANNALES ZOOLOGICI Tom 44 Warszawa, 15 II 1993 Nr7 Alexander R adchenko Ants from Vietnam in the collection of the Institute of Zoology, PAS, Warsaw. I. Pseudomyrmicinae, Dorylinae, Ponerinae [With 7 figures in the text) Abstract. A list of 31 species of Pseudomyrmicinae, Dorylinae and Ponerinae from Vietnam, including 8 species new for Vietnam. Two new species (Anochetus mixtus, Brachyponera mesoponeroid.es ) as well as unknown ? of Cerapachys sauteri are described. Ants were collected by B. P isarski and J. P rószyński in 1959 and by B. P isarski and R. B ielawski in 1966 in the following localities of North Vietnam: 1. Distr. Nghe An. Phu Quy. 16-17 June, 1959: a dry secondary forest (no. 2151-2160): coffee plantations (no. 2162-2163); a dry sandy river terrace (no. 2161-2168). 2. Thanh Hoa, 19 June, 1959: a village. 3. Chine near Hanoi. Biological Station of the Hanoi University, 22-28 June, 1959: a mountain forest (no. 2171, 2181-2195, 2215-2219); a dry river terrace (no. 2172-2180); grasslands and bushes (no. 2196-2214, 2220-2223). 4. Hanoi, 4-5, 14-16, 21-29 May. 1966: gardens and orchards (no. 1-6/66, 54-66/66, 84- 123/66). 5. Co Loa, 40 km N Hanoi, 6-13 May. 1966: agricultural fields (no. 7-53/66). 6. Yen So, 10 km S Hanoi, 17-20 May, 1966: agricultural fields (no. 67-83/66). 7. Distr. Ninh-binh, Cuc-phu’ong, 1-11 June, 1966: a primary tropical forest (no. 124-175/66, 194-207/66); agricultural fields (no. 176-193/66). 8. Distr. Hoa-Binh, Thanh ha 12-14 June. 1966: grasslands and bushes (no. 208-231/66). Measurements and indices of the genera Cerapachys F. S mith and Anochetus M ayr following B rown (1975, 1976, 1978). http://rcin.org.pl