世界上10大最有害的外来入侵物种(组图)(8)
2009-12-21 09:32:04
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8、蜜蜂杀手
到今天,非洲采蜜蜂都被认为是一种攻击性极强的物种。这是一次实验的产物,这次实验是为了改善欧洲采蜜蜂在热带地区的繁殖能力,这种称为蜜蜂杀手的采蜜蜂起源于巴西东南部的圣保罗市。1957年,26只蜂王被一个采蜂人无意中放走,这些蜂王和当地的雄蜂交配,然后产下杂交蜜蜂,这些杂交蜜蜂比纯种的蜜蜂更能适应当地环境和气候。2007年,只在新奥尔良地区发现有这些杂交蜂,到了2009年,美国的犹他州也发现了它们的蜂巢。在美国南部,它们在不断地蔓延泛滥中。
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