天敌昆虫群落呈现出时序变化的特征。
The abundant community of insect enemies and temporal suppression mechanism against D.
苜蓿天敌昆虫资源非常丰富。
Natural enemy resources of insect pests of alfalfa are very abundant.
天敌昆虫群落呈现出时序变化的特征。
概述了蝗虫天敌昆虫的国内外研究种类与内容。
The paper reviewed species and research progress of natural enemy insects of locust both at home and abroad.
初步摸清了秦皇岛市区园林害虫种类及天敌昆虫资源情况。
And the species of insect pests in the city together with the insects as the pests' natural enemies hare been checked up.
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.
许多寄生性天敌昆虫的雌虫不仅寄生寄主,而且还能取食寄主。
Many species of insect parasitoids not only parasitize hosts but can also feed and kill them.
介绍了云南省烟草主要害虫天敌资源和天敌昆虫的自然控制作用。
The main natural enemies of the pests on tobacco of Yunnan and their role on natural control of the pests were reviewed.
经初步鉴定,重要的天敌昆虫种类有62种,隶属于8目25科。
The results indicated that there are 62 species of important natural enemies, belonging to 25 families, 8 orders.
这些结果表明优势天敌昆虫在防治害虫方面有一定的实际应用价值。
That explained that the advantage natural enemies hadcertain reality applied value in the field of the pest preventing and controlling.
赤眼蜂属是生物防治中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.
中国已记述有关林虫天敌昆虫约1500种,对近200种天敌的生物学、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.
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、工业用昆虫和文化昆虫等六大类。
Forest insects are mainly divided into natural enemies, pollinating insects, medical insects, edible insects, industrial insects and cultural insects.
本文叙述了收集到的中国大陆茶树害虫的天敌资源,据记载害虫的寄生性天敌昆虫约有72种,分属于2个目14科;
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;
为更好地繁殖天敌昆虫南方小花蝽,用西花蓟马同时添加蜂蜜水对其进行饲养,研究蜂蜜水对南方小花蝽生长发育、存活寿命和繁殖等方面的影响。
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.
大树的特殊天敌是昆虫和树木疾病。
这种黄色的花是昆虫的天敌。
“蜘蛛是昆虫的天敌,有了它能避免农民大量喷洒杀虫剂”,雷诺兹说。
"Spiders are key predators of insects and can alleviate the need for farmers to spray large quantities of pesticide," Reynolds said.
因为这种特别的昆虫是入侵生物,所以它们本身在当地没有天敌,没有能有效控制它们数量的天敌。
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.
是昆虫的天敌,人类的朋友。
结果表明:咀嚼害虫、刺吸害虫、捕食性天敌以及中性昆虫是昆虫群落的优势功能团;
The result indicates that the chewing pest, piercing-sucking pest, predatory natural enemy and neutral insect are the dominance guilds in the insect community.
大多数螽蟖为植食性种类,是重要的农林害虫,部分类群为捕食性种类,是重要的昆虫天敌和生物防治的潜在资源。
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.
本文记录了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.
近几年来植物—植食性昆虫—天敌间的三重营养级关系研究是一个热点。
Three nutrition relationships between plant and plant-eating insect and natural enemy are focused in some years.
施用新得力对稻田昆虫天敌群落的物种组成及其结构特征不会造成明显的影响。
The application of Sindax had no evidently negative effects on the community structure and diversity of insect enemies in the treated field.
植绥螨是许多害螨和小型有害昆虫的重要捕食性天敌,在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.
昆虫界中多见一种保护性模拟成另一种没有保护的物种,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.
从地表节肢动物数量动态可知,中性昆虫对天敌前期的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.
从地表节肢动物数量动态可知,中性昆虫对天敌前期的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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