Larvae of Lepidopterous on the four species of Shorea (Dipterocarpaceae) insects were collected from nursery in Bogar, Indonesia. They were reared in the laboratory and identified to species level by adult stage. Amongst ca. 300 collected individuals, 127 adults were emerged, which included 27 speces in 11 families. The most abundant species was Olene inc/usa Walker (Lymantriidae) followed by Orgyia postica Walker (Lymantriidae). The family Lymantriidae was the most prosperous group on the Shorea juveniles in the nursery. Shorea leprosula and S. selanica raised many individuals and many species of Lepidoptera. However, S. javanica and S. pinango did not. An unidentified species of the family Lycaenidae was specific to S. javanica. The Noctuid moth, Ischyja manilia, was also biased to S. javanica. Sasaki,1980). Another problem is the low survival rate after plantation, which probably depends on poor root system of planting materials including a lack of symbiotic relationship with mycorhyza. Sakai et al. (1995) established a system that enabled continuous and constant supply of planting materials of Shorea spp. by cutting technique using a fog cooling system. The great advantage of these planting materials is high survival rate after plantation probably depending on their well-developed root system. In this system, rooted cuttings were transferred to plastic bags and raised in nursery. Various kinds of lepidopteran defoliators attacked these cutting plopagules in the nursery and occasionally caused a severe leaf area loss. However, * Corresponding Author.
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