陕西杨凌地区黑光灯下金龟甲种类组成及优势种群发生动态

Scarabs species trapped by black light and population dynamics of dominant species in Yangling,Shaanxi Province

2011年5～9月,在陕西省杨凌区西北农林科技大学植物保护学院试验站设置黑光灯,系统诱集金龟甲并鉴定种类,分析金龟甲种群的发生动态。结果表明,陕西杨凌地区黑光灯可诱到金龟甲3科17种,从5月上旬至9月上旬均可发生,以6月下旬至7月中旬为发生盛期;优势种类为铜绿丽金龟、赤绒鳃金龟、华北大黑鳃金龟和暗黑鳃金龟,发生盛期分别为6月下旬至7月下旬、7月下旬至8月上旬、7月上旬和6月下旬至7月下旬。

Species of scarabs and their population dynamics of dominant species were investigated by u- sing black light in Yangling, Shaanxi from May to September in 2011. In total, 17 species of scarabs be- longed to 3 families in Scarabaeoidea, Insecta, were trapped by black light from early May to early Sep- tember. The emergence peak of scarabs was from late June to mid -July. The dominant species of scar- abs in Yangling, Shaanxi were Anomala corpulenta Motschulsky, Serica japonica Motschulsky, Hloltrichia diomphalia Batesa and Holotrichia parallela Motschulsky. The emergence peaks of the 4 dominant species were from the late June to late July, the late July to early August, the early July and the late June to late July respectively.