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首页> 外文期刊>Ecological research >Local adaptations of larvae of the butterfly Pieris napi to physical and physiological traits of two Arabis plants (Cruciferae)
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Local adaptations of larvae of the butterfly Pieris napi to physical and physiological traits of two Arabis plants (Cruciferae)

机译：蝴蝶粉蝶幼虫对两种拟南芥植物（十字花科）的生理和生理特性的局部适应

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摘要

Herbivorous insects are expected to adapt to the defensive traits of local host plants. Using two closely related plants, we showed that herbivorous insects of the same species vary their adaptations according to the different traits of each of their local host plants. The leaves of the cruciferous plant Arabis flagellosa are tougher and more difficult to digest for larvae of the butterfly Pieris napi than are A. gemmifera leaves. When given A. fiagellosa leaves, hatchlings from A. fiagellosa fed on and ingested the leaves faster than those from A. gemmifera. Although the C/N ratios of both Arabis plants were very similar, A. gemmifera leaves were of lower intrinsic quality for larval development and were more difficult to convert to biomass than were A. fiagellosa leaves. However, when A. gemmifera leaves were given, P. napilarvae originating from A. gemmifera had higher survival rates and shorter development times than did larvae originating from A. fiagellosa. In addition, larvae from A. gemmifera were better able to convert leaves than were larvae from A. fiagellosa. These results suggest that A. fiagellosa leaves are more physically but less physiologically defended, whereas the reverse is true of A. gemmifera, and suggest that P. napi larvae adapt to the defensive traits of local host plants.
机译：食草昆虫有望适应当地寄主植物的防御性状。使用两种密切相关的植物，我们发现相同物种的草食性昆虫会根据其当地寄主植物中每种植物的不同特性而改变其适应性。与A. gemmifera的叶子相比，十字花科植物Arabis flagellosa的叶子更坚硬，更难消化蝴蝶Pieris napi的幼虫。给定Fiagellosa叶片时，来自A. fiagellosa的幼体以比来自双歧杆菌A. gemmifera的幼体更快的速度进食和摄取叶片。尽管两种拟南芥植物的C / N比都非常相似，但双子叶菜叶片的幼虫内在质量较低，并且比无花假单胞菌叶更难以转化为生物量。然而，当给予双歧杆菌叶子时，与双歧杆菌起源的幼虫相比，双歧杆菌起源的双歧杆菌具有更高的存活率和较短的发育时间。另外，与来自Fiagellosa的幼虫相比，来自A. gemmifera的幼虫能够更好地转化叶片。这些结果表明，Fiagellosa叶片的物理防御能力更强，但在生理上的防御力却较低，而gemiferifera的情况则相反，并表明P. napi幼虫适应当地寄主植物的防御性状。

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