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The relative importance of vertical and horizontal visual cues in nest location by Megachile rotundata

机译:Megachile rotundata在巢位置的垂直和水平视觉提示的相对重要性

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We addressed the relative importance of vertical and horizontal visual cues in nest location by females of the solitary bee Megachile rotundata. We compared vertical versus horizontal displacements of a nest block in the first experiment and of a proximal landmark in the second experiment. In a third experiment, we removed either vertical or horizontal proximal landmarks. Bees responded to changes applied to the nesting area by increasing nest location time and displaying behaviours consistent with confusion (hovering flights, reorientation flights, wrong nest visitations). The nest block displacements revealed a higher level of disorientation with horizontal displacements than with vertical displacements. Proximal landmark displacements led to disorientation with a horizontal displacement, but not with a vertical displacement. Removing proximal landmarks elicited disorientation, regardless of the orientation of the remaining landmarks.
机译:我们解决了单独的蜜蜂Megachile rotundata的雌性在巢位置的垂直和水平视觉提示的相对重要性。我们在第一个实验中比较了嵌套块的垂直位移与水平位移,在第二个实验中比较了近端地标的位移。在第三个实验中,我们删除了垂直或水平的近端地标。蜜蜂通过增加嵌套位置的时间并显示与混乱一致的行为(盘旋飞行,重新定向飞行,错误的嵌套探访)来响应应用于嵌套区域的变化。嵌套块位移显示水平位移比垂直位移具有更高的定向度。邻近的界标位移导致水平方向位移,而垂直方向位移则不会。无论其余地标的方向如何,移除近端地标均会导致迷失方向。

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