Malays. Appl. Biol. (1997) 26(1): 75-80
CHRYSOPIDAE ATTRACTION TO FLORAL FRAGRANCE CHEMICALS AND ITS VERTICAL DISTRIBUTION IN A MALAYSIAN LOWLAND TROPICAL FOREST
AHMAD S.SAJAP1*, KAORU MAETO23, KENJI FUKUYAMA3 FAUJAN B. H. AHMAD2 and YAACOB A. WAHAB1
1Department of Forest Management, 2 Department of Chemistry, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia
3 Hokkaido Research Center, Forestry & Forest Products Research Institute, Hitsujigaoka 7, Toyohira, Sapporo, 062 Japan
ABSTRACT
Four floral fragrance chemicals, eugenol, benzyl acetate, methyl benzoate and linalool, were tested as attractants for trapping adult Chrysopidae in the lowland tropical rain forest of Air Hitam Forest Reserve, Selangor, Peninsular Malaysia. The result shows that 98% of the lacewings, represented by Glenochrysa sp., was caught in the traps baited with eugenol Other chemical fragrances did not seem to attract the lacewings. Less than 2% of the lacewings were caught in methyl benzoate and linalool traps and none in benzyl acetate traps at any time of sampling. These lacewings predominantly lived and foraged within 5 to 10 m above ground under the forest canopy. Sixty three percent of the lacewings were caught al the height between 5 to 10 m and less than 3% were caught 20 m above ground.
ABSTRAK
Empat kimia bau harum bunga, eugenol, benzil asetat, metil benzoat dan linalool, telah diuji sebagai bahan penarik untuk memerangkap Chrysopidae dewasa di hutan tanah rendah Hutan Simpan Air Hitam, Selangor, Semenanjung Malaysia. Hasil kajian menunjukkan 98% daripada sibur-sibur, Glenochrysa sp., tertangkap di dalam perangkap eugenol. Bahan kimia yang lain didapati tidak menarik sibur-sibur tersebut. Sepanjang masa penyampelan, kurang daripada 2% tertangkap di dalam perangkap metil benzoat dan linalool dan tiada tangkapan langsung di dalam perangkap benzil asetat. Sibur-sibur ini di dapati hidup dan mencari makan di antara ketinggian 5 hingga 10 m atas tanah di bawah silara hutan. Enam puluh tiga peratus daripada sibur-sibur tersebut ditangkap pada ketinggian di antara 5 hingga 10 m dan kurang daripada 3% ditangkap lebehi ketinggian 20 m.
Key words: Chemical attractant; Chrysopidae, floral fragrance, Glenochrysa sp.
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