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首页> 外文期刊>Journal of Economic Entomology >Floral Visitation Can Enhance Fitness of Helicoverpa armigera (Lepidoptera: Noctuidae) Long-Distance Migrants
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Floral Visitation Can Enhance Fitness of Helicoverpa armigera (Lepidoptera: Noctuidae) Long-Distance Migrants

机译：花卉探视可以增强Helicoverpa Armigera（Lepidoptera：Noctuidae）长途移民的健身

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摘要

Numerous insect species engage in seasonal, trans-latitudinal migration, in response to varying resource availability, climatic conditions and associated opportunities, to maximize fitness and reproductive success. For certain species, the interaction between migrant adults and individual host plants is well-studied under laboratory conditions, but scant knowledge exists on the nutritional ecology of wild (i.e., field-caught) moths. During 2017-2018, we trapped adults of the cotton bollworm Helicoverpa armigera (Hubner) along its migration pathway in northeastern China and used pollen grain analysis to assess its visitation of particular host plants. Next, we assessed life history effects of adult feeding on carbohydrate-rich resources, for migrant individuals. Pollen grain analysis revealed H. armigera visitation of 32 species from 28 families, with the largest carrier ratio for northward migrants. Evening primrose (Oenothera spp.) accounted for 48% of pollen grains, indicating a marked H. armigera feeding preference. Furthermore, feeding on sugar-rich foods benefited adult fitness, enhanced fecundity by 65-82% and increased flight distance by 38-55% as compared to unfed individuals. Also, the degree of enhancement of reproduction and flight performance following sugar feeding varied between different migratory cohorts. Our work combines (polymerase chain reaction [PCR]-assisted) palynology and laboratory-based life history trials to generate novel perspectives on the nutritional ecology of long-distance migratory insects. These findings can aid the development of population monitoring and 'area-wide' management strategies for a globally-important agricultural pest.
机译：众多昆虫物种采用季节性，跨纬度迁移，以应对不同的资源可用性，气候条件和相关机会，以最大限度地提高健康和生殖成功。对于某些物种，在实验室条件下，移民成年人和个体宿主植物之间的相互作用在实验室条件下进行了良好的研究，但是野生（即，现场捕获）飞蛾的营养生态存在很少的知识。在2017 - 2018年期间，我们沿着中国东北部的迁移途径捕获了棉铃虫幽灵彭阿米伯格拉（Hubner）的成年人，并使用了花粉晶粒分析，以评估其特定宿主植物的访问。接下来，为移民个体评估成人饲料对富含碳水化合物资源的生命历史效果。花粉晶粒分析显示了来自28个家庭的32种的H. Armigera探访，北方移民的载流量最大。晚间报春花（Oenothera SPP。）占花粉颗粒的48％，表明标志性H. Armigera饲养偏好。此外，饲料富含糖的食物受益于成人健身，增强繁殖率65-82％，与未遵循的人相比，飞行距离增加38-55％。此外，在不同的迁移队列之间改变糖饲料后再现和飞行性能的增强程度。我们的作品结合（聚合酶链反应[PCR] - 基于实验室的生命历史试验，以产生关于长距离迁徙昆虫的营养生态的新颖性观点。这些调查结果可以帮助发展人口监测和“领域的”全球性农业害虫的管理策略。

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  • 来源
    《Journal of Economic Entomology》 |2019年第6期|共8页
  • 作者

    Zhou Yan; Zhao Shengyuan; Wang Menglun; Yu Wenhua; Wyckhuys Kris A. G.; Wu Kongming;

  • 作者单位

    Chinese Acad Agr Sci Inst Plant Protect State Key Lab Biol Plant Dis &

    Insect Pests Beijing 100193 Peoples R China;

    Chinese Acad Agr Sci Inst Plant Protect State Key Lab Biol Plant Dis &

    Insect Pests Beijing 100193 Peoples R China;

    Chinese Acad Agr Sci Inst Plant Protect State Key Lab Biol Plant Dis &

    Insect Pests Beijing 100193 Peoples R China;

    Chinese Acad Agr Sci Inst Plant Protect State Key Lab Biol Plant Dis &

    Insect Pests Beijing 100193 Peoples R China;

    Chinese Acad Agr Sci Inst Plant Protect State Key Lab Biol Plant Dis &

    Insect Pests Beijing 100193 Peoples R China;

    Chinese Acad Agr Sci Inst Plant Protect State Key Lab Biol Plant Dis &

    Insect Pests Beijing 100193 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 应用昆虫学（经济昆虫学）;
  • 关键词

    Helicoverpa armigera; migration phenology; food ecology; fitness; aerobiology;

    机译：Helicoverpa Armigera;迁移候选;食物生态学;健身;健美学;

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