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当前位置: 首页 > 文章 > 大毛棕鳃金龟生物学的观察 东北林业大学学报 1987 (4) 33-38
Position: Home > Articles > PRELIMINARY STUDY ON BIOLOGY OF HAIRY BROWN CHAFER Journal of Northeast Forestry University 1987 (4) 33-38

大毛棕鳃金龟生物学的观察

作  者：
董玉才;袁景芳
单  位：
黑江江省望奎县林业局
摘  要：
近年来,大毛棕鳃金龟在黑龙江省望奎县、兰西县等平原地区苗圃和人工幼林内大量发生,常常造成苗床严重缺苗断条现象。幼虫危害家榆、黄榆、兴安落叶松、长白落叶松、华北落叶松、樟子松等苗木根部。成虫在补充营养时也咬食上述苗木的叶部。大毛棕鳃金龟两年发生一代。以一龄和三龄幼虫在土内越冬。越冬的一龄幼虫在6月上旬开始进入二龄,7月中旬开始进入三龄,然后以三龄幼虫越冬,翌年5月下旬至6月上旬开始化蛹,6月下旬至7月上旬开始羽化为成虫,并出土活动,7月上旬至中旬开始产卵,7月中旬开始孵化为一龄幼虫,然后以一龄虫幼虫越冬。
译  名：
PRELIMINARY STUDY ON BIOLOGY OF HAIRY BROWN CHAFER
作  者：
Dong Yu-cai(Forest-Nursery of Wangkui Country of Heilongjiang Province) Yuan Jing-fang(Sience-Society of Wangkui Country of Heilongjiang Province)
摘  要：
In recent years, hairy brown chafer (Brahmina potanini Semenov) have brokenout in forest-nursery and artificial young forest of Wangkui county and Lanxi county in Heilongjiang Province. Both adults and larvae attack Ulmus pumila, U.macrocarpa, Larix gmeliuii, L. olgensis var.koreana, L. Principisrupprehtii, Pinus sylvestris var. mongolica seriously, as a result, they make seedlings and young trees grow slowly, even die at last.The chafer generates once in two years. The first and third instar larvae overwiuter under ground of 60--110cm depth. They come to surface of ground in mid-May of next year. The overwintering larvae grow up to the second instar ones in early June, to third instar ones in mid-July and then begin to pupate in late May and early June of next year. The adults emerge in late June and early July, and they begin to lay eggs, hatching taks place in mid-July. The first instar larvae overwinter under ground.

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