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首页> 外文期刊>Journal of Insect Physiology >Nutritional ecology of a parasitic wasp: food source affects gustatory response, metabolic utilization, and survivorship
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Nutritional ecology of a parasitic wasp: food source affects gustatory response, metabolic utilization, and survivorship

机译：寄生黄蜂的营养生态学：食物来源影响味觉反应，代谢利用和生存

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摘要

The success of biological control is partly mediated by the longevity and reproductive success of beneficial insects. Availability of nectar and honeydew can improve the nutrition of parasitic insects, and thereby increase their longevity and realized fecundity. The egg parasitoid, Anaphes iole, showed strong gustatory perception of trehalulose, a carbohydrate found in homopteran honeydew. Chromatographic analysis demonstrated that enzymatic hydrolysis of sucrose, a common nectar sugar, proceeded at a faster rate than that of melezitose, a sugar common in aphid honeydew. A long-term bioassay showed that longevity was greater at 20 degrees C than at 27 degrees C, and at both temperatures survival was generally greatest for wasps provisioned with the three major nectar sugars, sucrose, glucose, and fructose. Patterns of food acceptance and utilization showed that A. iole accepted and utilized a broad range of sugars found in nature, including those found in nectar as well as honeydew. Glucose, fructose, and several oligosaccharides composed of these monosaccharide units appear to be more suitable for A. iole than other sugars tested. Evidence suggests that individual fitness benefits afforded by food sources are important for a time-limited parasitoid, and that continued investigations on the interface between nutrition and biological control are warranted for A. iole.
机译：生物防治的成功部分取决于有益昆虫的长寿和繁殖成功。花蜜和蜜露的可用性可以改善寄生昆虫的营养，从而增加其寿命和繁殖力。卵中的寄生虫Anaphes iole对海藻糖具有强烈的味觉感受，海藻糖是一种在同翅类蜜露中发现的碳水化合物。色谱分析表明，蔗糖（一种常见的花蜜糖）的酶促水解速率比蜜三糖（一种在蚜虫蜜露中常见的糖）的水解速率快。长期生物测定显示，在20°C时的寿命比在27°C下的寿命长，并且在两个温度下，配备有三种主要花蜜糖，蔗糖，葡萄糖和果糖的黄蜂的存活率通常最高。食物接受和利用的模式表明，A。iole接受并利用了自然界中发现的各种糖，包括在花蜜和甘露中发现的糖。由这些单糖单元组成的葡萄糖，果糖和几种寡糖似乎比其他测试的糖更适合于曲霉。有证据表明，食物来源所提供的个人健身益处对于有时间限制的拟寄生虫很重要，并且有必要继续对i虫进行营养和生物控制之间的界面研究。

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