幼虫的
- 与 幼虫的 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The egg or larva of a blowfly, usually deposited on meat .
皮瘤蝇、皮瘤蝇幼虫皮瘤蝇,尤指尚处于幼虫阶段的
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RESULTS Early-instar larvae could not be identified, but all fourth-instar larvae identified were members of the Culex pipiens complex.
结果 初龄幼虫无法确定,但所有四龄幼虫鉴定成员的库蚊复杂。
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Cutworm is am important tobacco pest in Hunan Province, its larvae of first generation injures tobacco plant in April and May, the egg and larvae of 1-3rd instar are sensitive to storm.
小地老虎眼Agrotisypsilon穴Rottemberg雪演是湖南的一种重要烟草害虫,其第1代幼虫于4、5月为害烟株,卵和1-3龄幼虫对大风雨敏感。
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Field experiments demonstrated that efficacy of 30% dichlorvos and omethoate for Caloptilia dentata was over 80%, for Drosicha corpulenta was 95.9% and Psylla willieti 96.4%. For Parathrene tabanifomis, Anoplophora glabripennis, Apriona swainsoni and Panonychus ulmi also gained perfected efficiency, and injection dosage of 2.0ml/cm φ for Myzus persicae obtained 100%result, for Eriococcus lagerostioemiae which damage Punica gianatum the result was 92.96%. In all, the efficiency of 30% diohlorvos · omethoate control of most pests was better than bisultap, decis, acephate, nicotine and avermectin, etc.
田间防效结果表明30%敌畏·氧乐对元宝枫细蛾的防治效果可以达到80%以上,对草履蚧和槐木虱防效分别大于95.9%和96.4%,对白杨透翅蛾幼虫、危害新疆杨和合作杨的光肩星天牛幼虫、危害国槐的锈色粒肩天牛幼虫、危害苹果的榆全爪螨等可达到理想防效,当施药剂量为2.0 ml/cmφ时对桃蚜的防效达100%,对危害石榴的紫薇绒蚧防效可达92.96%以上。30%敌畏·氧乐对大多数害虫的控制作用优于杀虫双、敌杀死、乙酰甲胺磷、烟碱和阿维菌素等。
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The fresh royal jelly is slightly ropy milk paste substance; it is the excretive mixture of nutrition gland and maxilla gland of the head of little worker bee. The worker bees use this to feed the 1-3 days' worker bee larva and drone larva, 1-5.5 days' queen bee larva and queen bee in the oviposition period.
新鲜蜂王浆是一种微粘稠乳浆状物质,是幼龄工蜂头部的营养腺和上颚腺共同分泌的混合物,工蜂用它来喂饲1-3日龄工蜂幼虫与雄蜂幼虫、1-5.5日龄蜂王幼虫和产卵期蜂王。
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Separate when feeding on the leaves of MON810 and Bt11 at the 11th day, compared with 0 mortality in non-transgenic isogenic hybrid.
取食的第11天4龄幼虫全部死亡,对照幼虫存活率均为100%;在Bt11和MON810叶片上取食的粘虫5龄幼虫也不能存活,分别在取食的第11天和12天全部死亡,对照存活率分别为96.00%和98.00%。
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the development period of over-wintering larvae of three voltinisms asian corn borer in langfang,hengshui,fuxin,gongzhuling,shuangyashan,haerbin from resuscitation to pupation was studied. the results showed that the development period was different among the different voltinism groups,and it was same within the same voltinism groups.
通过对廊坊、衡水、阜新、公主岭、双鸭山和哈尔滨6个地区3种化性的玉米螟越冬幼虫复苏后发育至化蛹历期的研究,得出3种不同化性种群间的玉米螟幼虫复苏后发育至化蛹的历期有明显差异,而相同化性种群间的玉米螟幼虫复苏后发育至化蛹的历期无明显差异。
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Although those DAPs were also found in the hemolymph of non-diapausing larvae, they had higher titer in the hemolymph of diapausing larvae than in the hemolymph of nondiapausing larvae.
虽然它们在非滞育幼虫血淋巴中也存在,但是它们在滞育幼虫血淋巴中的含量明显高于在非滞育幼虫血淋巴中的含量。
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Pallidifascia were studied by indoor and outdoor trials. The results showed that the pest developed 4 generations a year and overwintered with larvae in Guangzhou, Guangdong province of China. The larva stage included 7 instars. It appeared sexual dimorphism on the adults. The egg, larva and pupa stages lasted 4-5 days, 32-34 days and 9-11 days at 26℃ respectively.
采用室内外养虫及林间调查相结合的方法观察木荷空舟蛾的生物学特性,观察结果如下:在广州1年可发生4代,以幼虫在土中越冬,幼虫分7龄,成虫有性二型现象;在26℃时,卵期4-5天,幼虫期32-34天,蛹期9-11天。
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In spring 2004, diseased Maruca vitrata larvae were found in Sesbnia cannabina, a leguminous green manure crop grown all over Taiwan in summer season. The infected larvae became sluggish, pinkish, ceased feeding, body became fragile and ruptured; dead larvae were hanging on the top of plant with prolegs attached to the host plant, that is a typical symptom of nudeopolyherosis.
在2004年的春天,实验室在夏季遍及台湾种植季节的豆科绿肥的田菁里观察到染病的豆荚螟幼虫,染病的幼虫变得呆滞,体色稍呈现粉红色,停止进食,身体变得脆弱易破裂,死亡的幼虫被发现附著在寄主植物的顶端悬挂著,这显示是被杆状病毒感染的徵状。
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力