S. Mahunka szerk.: Folia Entomologica Hungarica 50. (Budapest, 1989)
in Vietnam and of the following institutions (given in time order): Thanh Loc fish culture station. Scientific Research Center (Da Lat*. Youth Center of Science and Technics (Da Lat*, and the Vietnamese-Soviet Corporation for Silk-production (Bao Loc*. We would like to express our sincere gratitude to all colleagues and persons giving altruistic scientific or technical help before and during the field work: Dr. Nguyen Vang Khoi, Tran Le, Nguyen Huynh Mai, as well as Le Van Cuong, Nguyen Van Tarn, Pham Hoanh Son, Dr. Hoang Nghia Son and Nguyen Thi Can. List of localities No. 271. Ho Chi Minh City (Saigon*, 11-14. X. 1988. - Singled in the city. No. 272. Same, 11. X. 1988. - Collected at light on the 4th floor of the building of the Ho Chi Minh Branch of the National Center for Scientific Research in Vietnam. No. 273. Thanh Loc, 15 km N of the city, 12. X. 1988. - Netted along the shore of fish-ponds. No. 2 74. Same - collected at light. No. 275. Ho Chi Minh City, 13. X. 1988. - Singled in the Zoo. No. 2 76. Same - Singled under bark of a lying tree in the Zoo. No. 277. 30 km S of Bao Loc, 14. X. 1988. - Netted on the water of a stream. No. 278. Santa Maria, 20 km S of Bao Loc, 500 m, 14. X. 1988. - Netted on the water of a stream. No. 2 79. Same - singled from the shore vegetation. No. 2 80. Same - Berlese and Nematode samples from a secondary forest. 1. litter, 2. root system of Selaginella sp. No. 281. Same - Berlese and Nematode samples from a rock-wall. 1. litter, 2. soil moss. No. 282. Di Linh, 18 km S of Bao Loc, 600 m, 14. X. 1988. - Berlese and Nematode samples from a mixed forest of pines and broad-leaf trees. 1. mixed litter and soil, 2. litter and decaying wood from the foot of a Pinus tree, 3. tuft of grass. No. 283. Same - Netted on the water of a well. No. 284. Da Lat, 1500 m, 14-20. X. 1988. - Singled in the town. No. 285. Same, 14. X. 1988. - Collected at light on the 3rd floor of the Scientific Research Center, Da Lat. No. 286. Da Lat, Da Thien (Valley of Love*, 15. X. 1988. - Netted on the water of the reservoire and singled along the shore. No. 287. Same - Berlese and Nematode samples from a Pinus khasya forest. 1. litter and decaying debris around the foot of pine trees, 2. soil moss from different sites. No. 288. Da Tang La (waterfall*, 10 km S of Da Lat, 1200 m, 15. X. 1988. - Singled along a small spring-brook. No. 289. Same - Netted on the water of the main stream. No. 290. Same - Singled on and under bark of trees. No. 291. Same - Singled in the valley. No. 292. Same - Berlese and Nematode samples from rocks. 1. litter and humus from the splits of rocks. 2. moss from the surface of rocks. No. 293. Same - Berlese and Nematode samples from the primary forest. 1. moss from lying trunks, 2. decaying debris from a lying tree. No. 294. Prenn (waterfall*, 15 km S of Da Lat, 900 m, 15. X. 1988. - Netted on the water of the main stream. No. 295. Same - Singled in the valley. No. 296. Same - Singled under lying trunks and under bark of trees. No. 297. Same - Berlese and Nematode samples from moss under the waterfall. No. 298. 5 km S of Da Lat, 15. X. 1988. - Singled along a spring-brook. No. 299. Da Lat, 15. X. 1988. - Netted on the water of a small brook slowly flowing on clefts. No. 300. Same - Collected at light in the Institute. *The numbering of the previous expeditions is continued so the present list starts with No. 271.