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Ranking Lepidopteran Use of Native Versus Introduced Plants

机译：鳞翅目使用本地对引入植物的排名

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In light of the wide-scale replacement of native plants in North America with introduced, invasive species and noninvasive ornamental plants that evolved elsewhere, we compared the value of native and introduced plants in terms of their ability to serve as host plants for Lepidoptera. Insect herbivores such as Lepidoptera larvae are critically important components of terrestrial food webs and any reduction in their biomass or diversity due to the loss of acceptable host plants is predicted to reduce the production of the many insectivores in higher trophic levels. We conducted an exhaustive search of host records in the literature. We used the data we gathered to rank all 1385 plant genera that occur in the mid-Atlantic states of the United States by their ability to support Lepidoptera richness. Statistical comparisons were made with Welch's test for equality of means. Woody plants supported more species of moths and butterflies than herbaceous plants, native plants supported more species than introduced plants, and native woody plants with ornamental value supported more Lepidoptera species than introduced woody ornamentals. All these differences were highly significant. Our rankings provide a relative measure that will be useful for restoration ecologists, landscape architects and designers, land managers, and landowners who wish to raise the carrying capacity of particular areas by selecting plants with the greatest capacity for supporting biodiversity.
机译：鉴于北美地区的原生植物已广泛地被引进的，入侵的物种和在其他地方进化的非侵害性观赏植物替代，我们比较了原生植物和引进植物作为鳞翅目寄主植物的价值。昆虫食草动物，例如鳞翅目幼虫是陆地食物网的至关重要的组成部分，由于丧失可接受的寄主植物，其生物量或多样性的任何减少预计都将降低较高营养级的许多食虫动物的产量。我们对文献中的宿主记录进行了详尽的搜索。我们使用收集到的数据，通过支持鳞翅目丰富性的能力对在美国大西洋中部各州出现的所有1385种植物进行排名。用均值相等的韦尔奇检验进行统计比较。与草本植物相比，木本植物支持的飞蛾和蝴蝶物种更多，本地植物比引进植物支持的物种更多，具有观赏价值的本地木本植物比鳞翅目观赏植物支持的鳞翅目种类更多。所有这些差异都非常重要。我们的排名提供了一种相对度量，这对于希望通过选择具有最大能力支持生物多样性的植物来提高特定地区的承载能力的恢复生态学家，景观设计师和设计师，土地管理者以及土地所有者将非常有用。

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