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首页> 外文期刊>Journal of Economic Entomology >Effect of Vegetable Oils as Phagostimulants in Adults of Dichroplus vittigerum (Orthoptera: Acrididae)
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Effect of Vegetable Oils as Phagostimulants in Adults of Dichroplus vittigerum (Orthoptera: Acrididae)

机译：植物油作为雌雄植物的噬菌体植物（Orthoptera：Acrididae）的影响

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摘要

Several species of grasshoppers are attracted to vegetable oils. These oils have kairomonal properties mainly due to the presence of linolenic and linoleic fatty acids. This study aimed to determine whether the odors of canola, flax, and olive oils are attractive to Dichroplus vittigerum (Blanchard 1851) and if they induce preference and feeding. We conducted three bioassays to determine whether oil modifies attraction and feeding behavior of this grasshopper. We first determined the attraction of the oils using a wind tunnel, secondly evaluated phagostimulation produced by the oils, and finally performed preference tests comparing consumption of Taraxacum officinale (Weber ex F.H.Wigg. 1780, Asterales: Asteraceae) leaves treated with the oils versus control leaves. Even though all of the oils induced attraction, only flax oil acted as a phagostimulant. However, the oils did not determine the preference and did not increase feeding on leaves. We hypothesize that T. officinale leaves are inherently attractive and treatment with oils did not affect feeding on them. Our results provide a starting point to develop baits that can be used to attract and control these harmful insects, presenting flax oil as a potential bait for D. vittigerum since its odor was both attractive and led to increased feeding or phagostimulation. Future studies should test the effect of the oils on other plant species or at varying doses, under field conditions.
机译：几种蚱蜢被植物油吸引。这些油具有Kairomonal特性，主要是由于存在亚麻酸和亚油酸脂肪酸。本研究旨在确定油菜，亚麻和橄榄油的气味对Dichroplus Vittigerum（Blanchard 1851）具有吸引力，如果它们诱导偏好和喂养。我们进行了三种生物测定，以确定油是否改变了这种蚱蜢的吸引力和喂养行为。我们首先确定了使用风洞的油的吸引力，其次评估了由油产生的噬菌体仿生，最后进行了用油脂与控制处理的塔克思克officinale（Weber Ex Fhwigg。1780）的消费的偏好测试树叶。即使所有的油都诱导吸引力，只有亚麻油才用作噬菌体肥料。然而，油脂没有确定偏好并且没有增加叶子的饲料。我们假设T. Officinale叶子本质上具有吸引力，用油处理不会影响它们对它们的喂养。我们的结果提供了一种开发植物的起点，可用于吸引和控制这些有害昆虫，将亚麻油呈现为D. Vittigerum的潜在诱饵，因为它的气味既具有吸引力，导致饲喂或噬菌体增加。未来的研究应在现场条件下测试油对其他植物物种或不同剂量的影响。

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