• 天敌昆虫群落呈现出时序变化特征。

    The abundant community of insect enemies and temporal suppression mechanism against D.

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  • 苜蓿天敌昆虫资源非常丰富

    Natural enemy resources of insect pests of alfalfa are very abundant.

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  • 天敌昆虫群落呈现出时序变化特征

    The community of enemy insects showed temporal characters.

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  • 概述了蝗虫天敌昆虫国内外研究种类内容。

    The paper reviewed species and research progress of natural enemy insects of locust both at home and abroad.

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  • 初步摸清秦皇岛市区园林害虫种类天敌昆虫资源情况。

    And the species of insect pests in the city together with the insects as the pests' natural enemies hare been checked up.

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  • 何俊华,陈学新, 2006。中国林木害虫天敌昆虫

    Chen XX, He JH. 2006. Parasitoids and Predators of Forest Pests in China.

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  • 许多寄生性天敌昆虫雌虫不仅寄生寄主,而且取食寄主。

    Many species of insect parasitoids not only parasitize hosts but can also feed and kill them.

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  • 介绍云南省烟草主要害虫天敌资源天敌昆虫自然控制作用

    The main natural enemies of the pests on tobacco of Yunnan and their role on natural control of the pests were reviewed.

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  • 初步鉴定重要天敌昆虫种类62种,隶属825

    The results indicated that there are 62 species of important natural enemies, belonging to 25 families, 8 orders.

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  • 这些结果表明优势天敌昆虫防治害虫方面有一定实际应用价值

    That explained that the advantage natural enemies hadcertain reality applied value in the field of the pest preventing and controlling.

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  • 赤眼蜂生物防治广泛用来防治鳞翅目害虫的一类重要天敌昆虫

    Egg parasitoids of the genus Trichogramma are widely used in biological control against Lepidopterous pests.

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  • 中国记述有关天敌昆虫约1500,对近200天敌生物学、生态学作了研究

    About 1500 species of parasites and predators of forest pests were recorded in China, in which approximate 200 have been studied in biology.

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  • 我国森林昆虫的开发与利用主要集中在天敌昆虫传粉昆虫药用昆虫食用昆虫工业昆虫文化昆虫等六大类。

    Forest insects are mainly divided into natural enemies, pollinating insects, medical insects, edible insects, industrial insects and cultural insects.

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  • 本文叙述收集到中国大陆茶树害虫天敌资源,据记载害虫的寄生性天敌昆虫约有72种,分属于2个14

    The collected natural enemy resources of tea pests in China was described in this paper. The numbers of parasitic natural enemy of tea pests amounted 72 species, belonging to 2 orders and 14 families;

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  • 为更好地繁殖天敌昆虫南方小花蝽,西花蓟马同时添加蜂蜜水进行饲养,研究蜂蜜水南方小花生长发育存活寿命繁殖等方面的影响

    The natural enemy of Orius similis was fed with Frankliniella occidentalis and hydromel to study effects of hydromel on its development, survival rate, longevity and fecundity.

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  • 大树特殊天敌昆虫树木疾病

    Particular enemies to large trees are insects and disease.

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  • 种黄色的花是昆虫天敌

    This yellow flower is a natural insects' enemy.

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  • 蜘蛛昆虫天敌,有了它避免农民大量喷洒杀虫剂”,雷诺兹

    "Spiders are key predators of insects and can alleviate the need for farmers to spray large quantities of pesticide," Reynolds said.

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  • 因为这种特别昆虫入侵生物,所以它们本身当地没有天敌,没有能有效控制它们数量天敌

    And so this particular insect, because it is an invasive, it has no native natural enemies per se. It has no natural enemies that are really very effective at controlling populations of this insect.

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  • 昆虫天敌人类朋友

    Are the enemies of insects and the friends of humans.

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  • 结果表明咀嚼害虫、刺吸害虫、捕食性天敌以及中性昆虫昆虫群落优势功能团;

    The result indicates that the chewing pest, piercing-sucking pest, predatory natural enemy and neutral insect are the dominance guilds in the insect community.

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  • 大多数螽蟖为植食性种类,重要农林害虫,部分类群食性种类,是重要的昆虫天敌生物防治潜在资源

    Most of them are phytophagous insects and important pests in agriculture and forest; others are predatory insects and are insect enemy and potential resources for biocontrol.

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  • 本文记录西昌农田害虫天敌寄生性昆虫96种,捕食性昆虫81种。

    This paper records the natural enemies of pests in Xichang farmlands, including 96 parasitic insects and 81 predatory insects.

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  • 近几年植物—植食性昆虫天敌的三重营养级关系研究一个热点。

    Three nutrition relationships between plant and plant-eating insect and natural enemy are focused in some years.

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  • 施用得力稻田昆虫天敌群落物种组成及其结构特征不会造成明显影响

    The application of Sindax had no evidently negative effects on the community structure and diversity of insect enemies in the treated field.

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  • 许多小型有害昆虫重要食性天敌农业生产中极具利用价值

    Phytoseiid mites is the important predatory natural enemy of many injurious mites and small injurious insects, which has the important utilization value in agricultural production.

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  • 昆虫多见保护性模拟成另一种没有保护物种,因其模拟一种难吃又具伤害性的物种,可以躲避天敌

    A form of protective mimicry in which an unprotected species, especially of an insect, closely resembles an unpalatable or harmful species and therefore is similarly avoided by predators.

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  • 地表节肢动物数量动态可知中性昆虫天敌前期定殖可能有着重要作用

    According to the dynamics of number of predators on the earth's surface, it was indicated that the neutral insects may be play important role to the setting of predators in the former of cauliflower.

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  • 地表节肢动物数量动态可知中性昆虫天敌前期定殖可能有着重要作用

    According to the dynamics of number of predators on the earth's surface, it was indicated that the neutral insects may be play important role to the setting of predators in the former of cauliflower.

    youdao

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