S. Mahunka szerk.: Folia Entomologica Hungarica 50. (Budapest, 1989)

No. 391. Suoi Baco (stream*, 12 km S of Bao Loc, 800 m, 26. X. 1988. - Netted along the stream. No. 392. Same - Netted on the water of a rock-pool fl) and on the water of the main stream (2). No. 393. Same - Hygropetric insects from wet, mossy rocks. No. 394. Same - Beaten along roads. No. 395. Duc me (Maria stream), 15 km S of Bao Loc, 700 m, 26. X. 1988. - Singled along a right side side-brook. No. 396. Same - Netted on the water of the main stream. No. 397. Same - Singled from bark of trees. No. 398. Same - Midges resting by hundreds on the tip of two leaves of a tree. No. 399. Same - Netted along a left side side-brook. No. 400. Same - Singled from wet, mossy rocks. No. 401. Suoi Baco fstream*. 12 km S of Bao Loc, 800 m, 26. X. 1988. - Collected at light. No. 402. Bao Loc, 27. X. 1988. - Singled from bark of trees at a brick-factory. No. 403. Due me (Maria stream*, 15 km S of Bao Loc, 700 m, 26. X. 1988. - Collected from a rock- pool. No. 404. Dau Day, 70 km N of Ho Chi Minh City, 28. X. 1988. - Singled from decaying wood. No. 405. Ho Chi Minh City, 30. X. 1988. Netted in and on the water of a basin in the city. LITERATURE MAHUNKA, S. and OLÁH, J. (1988): Hungarian zoological studies in Vietnam 1. The outline of the research programme and the report of the first collecting trip in 1986. Folia ent. hung., 47: 103-107. MATSKÁSI, I.. TO PÁL, Gy. and OLÁH, J. Í1989): Report on a collecting trip to Vietnam in 1987, 50: MÉSZÁROS, F., OLÁH, J. and VÁSÁRHELYI, T. (1987* : Report on a collecting trip to Vietnam in 1988. - Folia ent. hung., 48j 265-269. Authors' addresses: Dr. S. MAHUNKA Dr. T. VÁSÁRHELYI 7oological Department, Hungarian Natural History Museum Baross u. 13. H- 1088 Budapest and Dr. J. OLÁH Fisheries Research Institute H-5541 Szarvas P.O. Box 47. HUNGARY