为摸清金龟子成虫趋向哪一种花朵、光线和成分物质,并为制作空间诱捕器防治苹果园金龟子成虫提供科学依据,甘肃省泾川县林业局科研人员于3月下旬至5月中旬分别在10平方米的土壤台面、暗室、果园用新鲜榆树叶、桃花、黄刺玫、油菜花、苹果花蕾、梨花、杏花、海棠花,白、绿、黑、紫、橙色、粉红、橘黄色的 In order to find out which kind of flowers, light and components substances the beetle adults tend to provide, and provide a scientific basis for the production of space traps for controlling apple orchard beetle adults, researchers from Jingchuan County Forestry Bureau of Gansu Province, from late March to mid-May, 10 square meters of soil countertops, dark rooms, orchards with fresh elm leaves, peach, yellow thorns, rape, apple bud, pear, apricot, begonia, white, green, black, purple, orange, pink, orange