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首页> 外文期刊>Zoological Science >'Double-trick' Visual and Chemical Mimicry by the Juvenile Orchid Mantis Hymenopus coronatus Used in Predation of the Oriental Honeybee Apis cerana
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'Double-trick' Visual and Chemical Mimicry by the Juvenile Orchid Mantis Hymenopus coronatus Used in Predation of the Oriental Honeybee Apis cerana

机译：东方蜜蜂蜜蜂捕食的幼小兰花螳螂Hymenopus coronatus的“双重技巧”视觉和化学模仿

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It has long been hypothesized that the flower-like appearance of the juvenile orchid mantis is used as visual camouflage to capture flower-visiting insects, although it is doubtful whether such morphological resemblance alone could increase their success in hunting. We confirmed that juvenile female orchid mantes often succeed in capturing oriental honeybees, while adult females often fail. Since most of the honeybees approached the juveniles from the front, we hypothesized that juvenile orchid mantes might attract honeybees by emitting some volatile chemical cues. Gas chromatography-mass spectrometry analyses revealed that the mantes' mandibular adducts contained 3-hydroxyoctanoic acid (3HOA) and 10-hydroxy-(E)-2-decenoic acid (10HDA), both of which are also features of the pheromone communication of the oriental honeybee. We also successfully detected 3HOA emitted in the head space air only at the time when the juvenile mantes were attempting to capture their prey. Field bioassay showed that the Oriental Honeybee predominantly preferred to visit dummies impregnated with a mixture of the appropriate amounts and ratios of 3HOA and 10HDA. We therefore conclude that the juvenile mantes utilize these as allelochemicals to trick and attract oriental honeybees.
机译：长期以来一直有人认为，幼龄的兰花螳螂的花朵状外观被用作捕捉迷迭香花的昆虫的视觉伪装，尽管仅凭这种形态相似性能否增加它们在狩猎中的成功率还值得怀疑。我们证实，幼年雌性兰花man通常可以成功捕获东方蜜蜂，而成年雌性通常会失败。由于大多数蜜蜂是从前面接近幼虫的，因此我们假设幼年的兰花man可能会散发出一些易挥发的化学信号来吸引蜜蜂。气相色谱-质谱分析表明，曼陀罗的下颌骨加合物中含有3-羟基辛酸（3HOA）和10-羟基-（E）-2-癸烯酸（10HDA），这两个特征也是其信息素传递的特征。东方蜜蜂。我们还成功地检测了仅在幼年猛禽试图捕获猎物时在顶空空气中释放的3HOA。现场生物测定表明，东方蜜蜂主要是首选使用适当量和比例的3HOA和10HDA混合物浸渍的假人。因此，我们得出的结论是，幼年蝠tes利用这些化学物质来诱骗和吸引东方蜜蜂。

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