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- Coccinella septempunctata L. 七星瓢虫
- The pesticide has high selec-tivitics to natural enemy of Coccinella septempunctata and Propylea japonica. 室内测定还证明,增效吡虫啉和吡虫啉对蚜虫的主要天敌七星瓢虫及龟纹瓢虫均具有较高的选择性。
- The main factors for influencing the old nymph and adults were natural enemies, mainly Coccinella septempunctata and hover flies. 天敌主要为七星瓢虫和食蚜蝇。
- There are black Coccinella septempunctata, there are like a black spider-like insects, there are a khaki-colored moths, there is dancing butterfly. 有黑色的七星瓢虫,有像蜘蛛似的黑色虫子,有土黄色的飞蛾,有翩翩起舞的花蝴蝶。
- Coccinella septempunctata and Leis axyridis(Pallas)var.spectabilis were most sensitive among the tested ladybeetles,both searching and staying time were the longest. 七星瓢虫和异色瓢虫显明变种最敏感,搜索和滞留时间也最长。
- Natural enemies of Hyphantria cunea (Drury) were investigated in Qinhuangdao, Hebei Province. Two parasitoids in larva stage, 12 parasitoids in pupal stage and 2 predators (Coccinella septempunctata and Tenodera sinensis) were found. 摘要通过对美国白蛾各个发育期的天敌进行调查与研究,发现除了捕食性天敌七星瓢虫、大刀螳螂等外,幼虫期有2种寄生性天敌、蛹期有12种寄生性天敌,这为保护和利用天敌、有效控制美国白蛾提供了依据。
- Coccinella septempunctata ( L. ) 七星瓢虫
- Podontia lutea , Chrysomelidae;Coccinella septempunctata , Coccinellidae; 我们期待着更多的甲虫邮票在我国发行。
- THE EFFECT OF MUTUAL INTERFERENCE AND SPACIAL HETEROGENITY ON PREDATION OF ADULT COCCINELLA SEPTEMPUNCTATA 干扰作用及空间异质性对七星瓢虫成虫捕食作用的影响
- Research on the functional responses of Coccinella septempunctata L. To prey on Stephanitis anagustata Bu. Sp. Nov 七星瓢虫成虫对狭冠网蝽的捕食功能反应研究
- Predator Function Reaction of Coccinella septempunctata L. Mixed Population On Wheat Aphid 七星瓢虫对麦蚜混合种群的捕食功能反应
- Searching behaviour of Coccinella septempunctata and four varieties of Leis axyridis adults on tea aphid honeydew and analysis of honeydew component 七星瓢虫和异色瓢虫四变种成虫对茶蚜蜜露的搜索行为和蜜露的组分分析
- London is spelt with a capital L'. London一字中L是大写的。
- 20% haoniandong emulsifiable solution had strongest toxic effect on Coccinella septempunctata adults with the mortality of 56.67%. 20%25好年冬乳油对成虫的毒杀作用最大,死亡率达到56.;67%25。
- Coccinella septempunctata 七星瓢虫
- My main concern is with the W's and L's. 我关注的是一场比赛的输赢。
- I charge you not to forget what l have said. 我告诫你不要忘记我所说的话。
- The floor was littered with ravel(l)ings. 地板上布满了散线。
- The punch level(l)ed him to the ground. 这一拳将他击倒在地。
- The soldier level(l)ed his rifle at the target. 士兵举起步枪瞄准靶子。