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Nesting behavior of Megachile leachella(Hymenoptera:Megachilidae)
Author(s): 
Pages: 1170-1176
Year: Issue:  11
Journal: Acta Entomologica Sinica

Keyword:  双斑切叶蜂筑巢传粉生活史寄生蜂;
Abstract: [目的]明确双斑切叶蜂Megachile leachella在沙地上的筑巢环境及筑巢特点,旨在当地利用人工巢管诱引其筑巢.[方法]采用目测和拍照等方法对双斑切叶蜂的整个筑巢过程进行了连续观察;采用挖掘、测量方法对双斑切叶蜂巢内结构进行了观测;在室内对蜂茧在土中和指形管中的羽化情况进行了初步观测.[结果]双斑切叶蜂一般在废弃的泥墙或者沙地上蚂蚁等废弃的巢穴中筑巢,有时候它也在沙地上挖掘新巢筑巢.双斑切叶蜂用叶片构建巢室,一巢多室,各巢室首尾相接排列在巢中,筑完巢后用叶片将巢口封住.双斑切叶蜂构建一个巢室需要切取11~14片叶子,为每巢室采集蜂粮6~9次,每巢室内产卵1粒;在内蒙古毛乌素沙地,该蜂一年2代,第1代在6月中下旬羽化,第2代大约在7月下旬至8月上旬羽化,主要寄生性天敌有尖腹蜂Coelioxy sp.、青蜂Chrysis sp..双斑切叶蜂能在指形管中羽化.[结论]双斑切叶蜂不同个体之间的筑巢行为相似,雌蜂可以用人工巢管进行诱集和驯化.
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