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调节卵巢的植物化学物质Eurema mandarina在Oxalis corniculata上的位置错误
Naoki Kanazawa1, Yuta Takatsuka1, Junei Tatsuno1
1Graduate School of Integrated Sciences for Life, Hiroshima University, Higashihiroshima, 739-8528, Japan.
Journal of chemical ecology
|January 24, 2025
概括
由于化学线索,雌蝶有时会在错误的植物上产卵. 欧里马的雌性错误地将Oxalis corniculata当作宿主植物,因为它含有特定的酸和糖.
科学领域:
- 化学生态化学生态学
- 昆虫与植物的相互作用
- 行为昆虫学 行为昆虫学
背景情况:
- 毛蝶 (Eurema mandarina) 是一种毛蝶,通常在像Albizia julibrissin和Lespedeza cuneata这样的Fabaceae植物上产卵.
- 在非宿主植物 (如Oxalis corniculata) 上可能发生卵巢位置错误,导致幼虫饥饿.
- 了解这些排卵决定的植物化学基础对于解释这些错误至关重要.
研究的目的:
- 为了识别Oxalis corniculata中的特定植物化学物质,这些物质会影响Eurema mandarina中的卵置行为.
- 阐明刺激剂和威剂在介导非宿主植物的卵置错误中的作用.
主要方法:
- 使用质谱学对Oxalis corniculata叶片提取物的植物化学分析.
- 叶子提取物通过离子交换柱色谱的分化.
- 使用各种植物分量,对欧里玛普通的雌性进行卵位生物测试.
主要成果:
- 红酸和三酸被确定为O. corniculata. 酸性部分中的卵置刺激剂.
- 在中性/两分数中,阿拉比诺斯和阿拉比托被确定为威剂.
- 叶子样本显示这些化合物的度可变,没有样本含有足够的刺激剂来覆盖威剂.
结论:
- 当雌性遇到高兴剂和低威度的非宿主时,Eurema mandarina在Oxalis corniculata上的卵位错误会发生.
- 特定酸 (刺激剂) 和糖/糖醇 (威剂) 之间的平衡决定了卵位的选择,即使在不适合的植物上也是如此.
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