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1.
黑蚱     
黑蚱(蚱蝉)属昆虫纲,同翅目,蝉科,它的学名是Cryptotympana atrataFabricius。过去曾用种名pustulata Fabricius是错误的,已经作者(1943年)指出pustulata是atrata的同物异名。  相似文献   

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记述蚱属1新种:苍山蚱Tetrix cangshanensis sp.nov.,提供了新种的形态特征照片图.苍山蚱Tetrix cangshanensis sp.nov.与拟二斑蚱T.parabipunctata Zheng&Ou,2004和二斑蚱T.bipunctata(Linnaeus,1758)相似,但以直的颜面隆起,较高的触角着生位置和直的前胸背板前缘区别于后二者,同时以较短的后翅区别于拟二斑蚱;还以较狭的颜面隆起纵沟,向内收缩的沟前区侧隆线和波曲的中足股节下缘区别于二斑蚱.  相似文献   

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记述采自云南省蚱属昆虫二新种,即南贡山蚱(Tetrix nangongshanensis sp.nov.)及大理蚱(Tetrix daliensis sp.nov)。模式标本保存于陕西师范大学动物研究所昆虫标本室。  相似文献   

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记述采自云南省苍山地区柯蚱属昆虫2新种,即波缘柯蚱Coptotettix undulatimarginis sp.nov.,及苍山柯蚱Coptotettix cangshanensis sp.nov.,模式标本保存于陕西师范大学动物研究所昆虫标本室.  相似文献   

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中国蟾蚱属分类研究(蚱总科,短翼蚱科)   总被引:1,自引:0,他引:1  
系统研究了分布于我国的蟾蚱属种类,共计10种,其中有2新种,即贵州蟾蚱Hyboella guizhouensis sp.nov.及长翅蟾蚱Hyboella longipennis sp.nov.,并列出我国蟾蚱属分种检索表.模式标本保存于陕西师范大学动物研究所.  相似文献   

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记述采自四川省无翅蚱属Aalatettix 2新种,即驼背无翅蚱Aakatettix gibbosasp.nov.和乐山无翅蚱Aalatettix leshanensis sp.nov.。模式标本保存于陕西师范大学动物研究所昆虫标本室。  相似文献   

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记述采自云南昆明台蚱属1新种,即昆明台蚱Formosatettix kunmingensis sp.nov..模式标本保存在陕西师范大学动物研究所标本室.  相似文献   

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记述采自中国浙江蚱科突眼蚱属Ergatettix Kirby,1914 1新种,浙江突眼蚱Ergatettix zhejiangensis sp.nov..新种同突眼蚱Ergatettix dorsifera(Walker,1871)近似,其区别特征为:头顶宽大于复眼宽;前胸背板中隆线明显呈波状,具8个波;颜面隆起纵沟两侧隆线平行;后足股节长为最宽处的3.0倍.模式标本保存于河北大学生命科学学院.  相似文献   

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记述采自广西壮族自治区羊角蚱属Criotettix Bolivar二新种,即断隆羊角蚱C. interrupta sp. Nov.及短翅羊角蚱C. brevipennis sp. Nov. 。模式标本保存于陕西师范大学动物研究所标本室。  相似文献   

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正Dear Editor,In December 2019, a novel human coronavirus caused an epidemic of severe pneumonia(Coronavirus Disease 2019,COVID-19) in Wuhan, Hubei, China(Wu et al. 2020; Zhu et al. 2020). So far, this virus has spread to all areas of China and even to other countries. The epidemic has caused 67,102 confirmed infections with 1526 fatal cases  相似文献   

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Curcumin is the yellow pigment of turmeric that interacts irreversibly forming an adduct with thioredoxin reductase (TrxR), an enzyme responsible for redox control of cell and defence against oxidative stress. Docking at both the active sites of TrxR was performed to compare the potency of three naturally occurring curcuminoids, namely curcumin, demethoxy curcumin and bis-demethoxy curcumin. Results show that active sites of TrxR occur at the junction of E and F chains. Volume and area of both cavities is predicted. It has been concluded by distance mapping of the most active conformations that Se atom of catalytic residue SeCYS498, is at a distance of 3.56 from C13 of demethoxy curcumin at the E chain active site, whereas C13 carbon atom forms adduct with Se atom of SeCys 498. We report that at least one methoxy group in curcuminoids is necessary for interation with catalytic residues of thioredoxin. Pharmacophore of both active sites of the TrxR receptor for curcumin and demethoxy curcumin molecules has been drawn and proposed for design and synthesis of most probable potent antiproliferative synthetic drugs.  相似文献   

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The young pistils in the melanthioid tribes, Hewardieae, Petrosavieae and Tricyrteae, are uniformly tricarpellate and syncarpous. They lack raphide idioblasts. All are multiovulate, with bitegmic ovules. The Petrosavieae are marked by the presence of septal glands and incomplete syncarpy. Tepals and stamens adhere to the ovary in the Hewardieae and the Petrosavieae but not in the Tricyrteae. Two vascular bundles occur in the stamens of the Hewartlieae and Tricyrtis latifolia. Ventral bundles in the upper part of the ovary of the Hewardieae are continuous with compound septal bundles and placental bundles in the lower part. Putative ventral bundles occur in the alternate position in the Tricyrteae and putative placental bundles in the opposite. position in the Petrosavieae. The dichtomously branched stigma in each carpel of the Tricyrteae is supplied by a bifurcated dorsal bundle.  相似文献   

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In conclusion, the novel visual RT-LAMP assay is a simple, rapid, and sensitive approach for detection of SARS-CoV-2, and it is ready for application in primary care and community hospitals or health care centers, and even patients' own houses in response to the current SARS-CoV-2 epidemic because the assay does not require sophisticated equipment and skilled personnel. Furthermore, it is also ready to be used in fields for screening samples from wild animals and environments to facilitate the identification of potential intermediate hosts that mediate the cross-species transmission of SARS-CoV-2 from bats to humans.  相似文献   

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