文献类型: 外文期刊
作者: Wanhong Hu;Bing Liu;Shike Xia;Ningwei Ma;Peiling Wang;Yanhui Lu
作者机构:
关键词: Binodoxys communis;fecundity;fitness;flight ability;longevity;parasitism;parasitoid behavior;sugar
期刊名称: Insects
ISSN: 2075-4450
年卷期: 2024 年 15 卷 4 期
页码:
收录情况: SCIE(2024版)
摘要: Alterative nutritional foods consumed by adult parasitoids play an important role in their fitness and ability to control pests because of food scarcity in many crops. While adult parasitoids feed on various sugars, they vary in their nutritional value for parasitoids. We assessed the effects of seven sugars (fructose, glucose, sucrose, trehalose, maltose, melezitose, and sorbitol) on the longevity, parasitism ability, parasitism behavior, and flight ability of B. communis, an important parasitoid of cotton aphids. We found that access to glucose, sucrose, or fructose, increased B. communis adult longevity more than the other sugars offered. All sugars except trehalose increased the parasitism rate to more than 50% compared to the starved control (only provided with water). We then compared parasitoid behaviors of wasps fed glucose, sucrose, or fructose to that of the starved control (with access only to water) and found that those fed B. communis spent more time either examining or attacking aphids than parasitoids in the control group, which spent more time walking or resting. Also, consumption of glucose, sucrose, or fructose also significantly improved the flight ability (the total flight distance, flight time, and average flight speed) of B. communis.
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