Dr. Papp Jenő szerk.: Folia Entomologica Hungarica 24/1-23. (Budapest, 1971)

The Diamond Range is one of the most interesting and, from the zoologist's point of view, most valuable region of Korea. The range of mountains extends from the seacoast inwards and its main valleys also follow this direction.lt is extremely broken: the jagged cliffs, sharp ridges,deep gorges present a landscape of great beauty. Except for the narrow coastal zone of agriculture, the whole complex is covered with dense, closed forests: the lower regions carry coniferous woods, but this strip soon changes into the predominating deciduous forests. The shrub level is very rich in both of them and thus the undergrowth is also most varying. The region is rich in water: it flowed in every valley in spite of the dry season though the dimensions of the stream and river beds, together with their large and smoothly worn boulders tossed on one another, evince the wild rush of floods during the monsoon period. There are numerous waterfalls (smong them the Guriong, the biggest in Korea, falling from a height of 80 méteres), and also slowly seeping waters on the face of the rocks. The largest body of water of the area is the lake Sam-il on the margins of the Range. The Range is an ideal terrain for zoological collecting;results are enhanced also by the absence of DDT effects. The only drawback seems to be the rather poor fauna of the waters: aquatic insects and insect larvae appeared in very low individual numbers in both the running and the standing bodies of water. The sweeping effect of the floods during the monsoon period may only partially explain this phenomenon. 3. Kaesong and the Mts. Bagyon One of the southernmost areas of the Korean People's Republic, situated near the zone of demarcation,about 300 km to the south of Pyongyang. The town lies in a valley between the western foothills of the mountains: their nearness manifested itself in the rich insect fauna appearing on the lamps in the park of the inner town. The mountains show a geomorphologically milder