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A Directional Locomotion Control of Cyborg Locusts for Complex Outdoor Environments
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作者 Xin Huang Tiancheng Li +2 位作者 Kaixuan Sun Meisong Yuan Bo Yang 《Journal of Bionic Engineering》 2025年第2期596-607,共12页
The ability of cyborg locusts to achieve directional movement in complex outdoor environments is critical for search and rescue missions.Currently,there is a lack of research on motion control for cyborg locusts in ou... The ability of cyborg locusts to achieve directional movement in complex outdoor environments is critical for search and rescue missions.Currently,there is a lack of research on motion control for cyborg locusts in outdoor settings.In this study,we developed cyborg locusts capable of performing directional locomotion in intricate outdoor environments,including jumping over obstacles,climbing slopes,traversing narrow pipelines,and accurately reaching predetermined targets along specified routes.We designed a miniature electrical backpack(10 mm×10 mm,0.75 g)capable of receiving stimulus parameters(frequency,duty ratio,and stimulation time)via Bluetooth commands from mobile phones.Electrical stimulation of locust sensory organs,such as the antennae and cercus,induced turning and jumping behaviors.Experi-mental testing of locust movement control was conducted under outdoor conditions with a short electrical stimulation interval.Results showed a positive correlation between locust turning angles and electrical stimulation parameters within a specified range,with an average jumping height exceeding 10 cm.Additionally,the success rate of locust turning and jumping behaviors correlated positively with the interval time between electrical stimulations.Adjusting these intervals during forward crawling phases increased the likelihood of the locusts jumping again.In conclusion,this study success-fully achieved directional locomotion control of cyborg locusts outdoors,providing insights and references for advancing search and rescue capabilities. 展开更多
关键词 Cyborg locusts Turning and jumping control Directional locomotion Search and rescue
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The Special Expression and Comparison of the c-kit Protein in Spermatogenesis of Three Species of Locusts of Arcypteridae 被引量:1
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作者 ZHAO Zhuo XI Geng-si 《Agricultural Sciences in China》 CAS CSCD 2007年第7期825-831,共7页
The aim of this study was to elucidate the expression and regulation of the c.kit protein in spermatogenesis of locusts. Immunohistochemistry and biological statistics were used to investigate the expression of the c-... The aim of this study was to elucidate the expression and regulation of the c.kit protein in spermatogenesis of locusts. Immunohistochemistry and biological statistics were used to investigate the expression of the c-kit protein in four representative phases of spermatogenesis of three dominant species of locusts of Arcypteridae (Orthoptera: Acridoidea), namely, Omocestus viridulus (Linnaeus), Euchorthippus unicolor (Ikonn.), and Euchorthippus vittatus Zheng, and so on, in Siping area of Jilin Province, China. The results revealed the following: (1) There was weak positive expression of the c-kit protein in spermatogonia and the positive granules were thinner; (2) there was a strong positive expression of the c-kit protein in primary spermatocyte and the positive granules became the largest than in all developmental stages; (3) the c-kit protein positive expression became stronger in secondary spermatocyte, while the positive granules became thinner; (4) there was strong positive expression of the c-kit protein and the positive granules were thinner in mature sperm, which were distributed on its head and tail; (5) there were strong positive protein granules massing at the end of spermary; (6) the positive intensity of the c-kit protein in spermatogenesis was significantly different among different species of locusts. The data suggested that the c-kit protein may play a crucial role in spermatogenesis as well as maintain the physiological action of sperms and fertilization, regulate the developmental speed of spermatogenesis, and/or maintain species isolation, etc. 展开更多
关键词 locust SPERMATOGENESIS c-kit protein special expression significant difference
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Preliminary Report on Occurrence Regularity of Locusts in Binzhou City
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作者 刘非 吴忠辉 +1 位作者 李金枝 田方文 《Agricultural Science & Technology》 CAS 2015年第3期540-546,592,共8页
Based on the census and analysis on locust occurrence in Binzhou from 1991 to 2010, the locust species that ever occurred in Binzhou were identified. A total of 18 locust species were found. They belong to six familie... Based on the census and analysis on locust occurrence in Binzhou from 1991 to 2010, the locust species that ever occurred in Binzhou were identified. A total of 18 locust species were found. They belong to six families and 15 genera. The identified locust species were distributed in farmland, wasteland, swamp and special environment, four different ecological environments in Binzhou. The dominant species, common species and rare species, as well as floristic characters of different locust species were determined in different ecological environments at different periods. In this paper, the life histories and habits of seven dominant and two rare locust species were described in detail. 展开更多
关键词 LOCUST Distribution FLORA Dominant species Binzhou
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基于DOEL-2电厂SGTR事故的LOCUST分析与验证 被引量:1
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作者 袁波 雷兴 +3 位作者 文青龙 陈康 徐财红 厉井钢 《核动力工程》 北大核心 2025年第1期92-99,共8页
蒸汽发生器传热管破裂(SGTR)事故会导致一、二回路热工水力参数大幅波动,严重危害反应堆的安全性,使用国内研发的热工水力系统分析软件LOCUST可以计算SGTR事故中的热工水力参数并预测事故进程。本研究以DOEL-2电厂SGTR事故为研究对象,... 蒸汽发生器传热管破裂(SGTR)事故会导致一、二回路热工水力参数大幅波动,严重危害反应堆的安全性,使用国内研发的热工水力系统分析软件LOCUST可以计算SGTR事故中的热工水力参数并预测事故进程。本研究以DOEL-2电厂SGTR事故为研究对象,以热工水力系统分析软件LOCUST为计算工具,对DOEL-2电厂进行建模计算,并将计算结果与RELAP5计算结果及实际数据进行对比,评估LOCUST软件对SGTR事故预测的准确性。研究表明,LOCUST软件能够很好地预测SGTR事故过程,计算得到的一回路及二回路相关参数与RELAP5计算结果和实际数据吻合较好,本研究可为LOCUST软件验证提供数据支撑。 展开更多
关键词 DOEL-2电厂 蒸汽发生器传热管破裂(SGTR) LOCUST 数据验证
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基于FRIGG空泡份额实验的LOCUST1.2验证
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作者 陈逸文 张大林 +5 位作者 冯振宇 贠世昌 王思思 徐财红 贺东钰 王婷 《核技术》 北大核心 2025年第12期138-146,共9页
空泡份额是核反应堆两相流中关注的重点参数之一,是检验压水堆系统级程序计算能力的重要物理量。为加速我国压水堆软件自主化进程,中国广核集团有限公司开发了压水堆热工水力系统分析软件LOCUST。为支持LOCUST在冷却剂丧失事故(Loss of ... 空泡份额是核反应堆两相流中关注的重点参数之一,是检验压水堆系统级程序计算能力的重要物理量。为加速我国压水堆软件自主化进程,中国广核集团有限公司开发了压水堆热工水力系统分析软件LOCUST。为支持LOCUST在冷却剂丧失事故(Loss of Coolant Accident,LOCA)等事故分析中的应用,本文基于瑞典通用电机公司开展的FRIGG空泡份额实验,利用LOCUST对不同功率分布、入口过冷度以及质量流速的实验工况进行计算验证。评估结果表明,所有工况空泡份额相对误差的平均值为10.60%,单个工况最大相对误差的平均值不超过16.62%,部分误差可能是由流型转换判定、高估液相相变换热等原因引起。本文总体验证了LOCUST在不同功率分布、入口过冷度以及质量流速工况下对空泡份额的计算能力,为后续软件模型改进提供了参考。 展开更多
关键词 空泡份额 系统程序 两相流 LOCUST
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基于卷积神经网络的压水堆核电站调峰过程棒位快速搜索方法研究
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作者 马朝龙 张健夫 +2 位作者 白家赫 房何 万承辉 《原子能科学技术》 北大核心 2025年第8期1630-1639,共10页
为减少目前国内压水堆核电站调峰过程中操纵员的决策风险和人因风险,实现辅助操纵员进行调峰或一定程度上的自动化调峰的目的,本文基于卷积神经网络,研究了压水堆核电站调峰过程控制棒棒位快速搜索方法。首先采用Inception-ResNet结构... 为减少目前国内压水堆核电站调峰过程中操纵员的决策风险和人因风险,实现辅助操纵员进行调峰或一定程度上的自动化调峰的目的,本文基于卷积神经网络,研究了压水堆核电站调峰过程控制棒棒位快速搜索方法。首先采用Inception-ResNet结构搭建卷积神经网络,并通过核电站调峰过程轴向功率偏移(AO)实测数据和堆芯物理计算软件LOCUST/SPARK计算的堆芯工况参数进行网络训练,建立了快速、高精度的AO预测模型;然后基于该AO预测模型,建立了调峰过程控制棒棒位快速搜索方法;最后采用我国某商用压水堆核电站M310机组共26次调峰过程的实测数据完成了上述方法的数值验证。验证结果表明:本文建立的AO预测模型,预测AO与实测AO间的偏差平均值为−0.084%,95%置信区间为[−1.746%,1.578%],且每次AO预测仅需约40 ms;在预测AO与目标AO误差不超过1%的条件下,根据控制棒棒位快速搜索方法搜索到的R棒棒位与实际棒位非常接近,最大误差3步,具有很高的预测精度。本文建立的压水堆核电站调峰过程控制棒位快速搜索方法能够实现调峰过程中控制棒棒位快速、准确地搜索,具备工程应用前景。 展开更多
关键词 卷积神经网络 调峰 轴向功率偏移 LOCUST/SPARK软件
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基于热工水力系统分析软件LOCUST的第51号国际标准题计算结果分析
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作者 琚忠云 徐财红 +2 位作者 袁红胜 贺东钰 王婷 《核科学与工程》 北大核心 2025年第4期612-619,共8页
第51号国际标准题(ISP-51)是基于我国非能动堆芯冷却系统性能试验(ACME)台架开展的国际项目,公开测试阶段选取CAP-22试验作公开计算对比。针对CAP-22试验,采用中国广核集团有限公司自主研发的热工水力系统分析软件LOCUST进行模拟计算。... 第51号国际标准题(ISP-51)是基于我国非能动堆芯冷却系统性能试验(ACME)台架开展的国际项目,公开测试阶段选取CAP-22试验作公开计算对比。针对CAP-22试验,采用中国广核集团有限公司自主研发的热工水力系统分析软件LOCUST进行模拟计算。计算对比了稳态参数、试验时间序列和瞬态参数。其中,稳态偏差符合国际原子能机构(IAEA)的稳态偏差可接受标准,事件触发时间与试验相当,瞬态计算结果与试验符合较好,表明LOCUST软件可以合理计算非能动系统相关关键现象。 展开更多
关键词 国际标准题 ISP-51 LOCUST
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基于LOCUST软件的过渡沸腾传热模型适用性研究
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作者 柳焕楠 袁红胜 +4 位作者 琚忠云 徐财红 贺东钰 厉井钢 王婷 《核动力工程》 北大核心 2025年第5期37-45,共9页
过渡沸腾是压水堆(PWR)堆芯分析(特别是事故分析)中一类非常重要的热工水力现象,准确模拟该现象可以提高软件对堆芯壁面温度预测的精确度。考虑到过渡沸腾区域范围小且参数变化大,同时受试验方法的限制,目前缺乏公认的且适用性较好的过... 过渡沸腾是压水堆(PWR)堆芯分析(特别是事故分析)中一类非常重要的热工水力现象,准确模拟该现象可以提高软件对堆芯壁面温度预测的精确度。考虑到过渡沸腾区域范围小且参数变化大,同时受试验方法的限制,目前缺乏公认的且适用性较好的过渡沸腾传热模型。为评估不同过渡沸腾传热模型的计算效果,对国际上常用的6种过渡沸腾传热模型开展了比较研究。基于中国广核集团有限公司自主开发的热工水力系统分析软件LOCUST,实现了6种过渡沸腾传热模型的代码开发及软件计算结果与试验数据的对比研究。结果表明,Chen关系式与Bjornard-Griffith关系式对过渡沸腾现象的模拟效果最佳,与试验数据的吻合度较好。本研究成果为进一步探究各种过渡沸腾传热模型的差异及计算效果奠定了基础,为热工水力系统分析软件开发过程中过渡沸腾传热模型的选取提供了参考。 展开更多
关键词 LOCUST软件 过渡沸腾 模型适用性研究
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CRISPR/xCas9-mediated corazonin knockout reveals the effectiveness of xCas9 editing and the crucial role of corazonin in insect cuticle development
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作者 Qiang Yan Guosheng Liu +5 位作者 Yingying He Shuang Hou Kangli Hao Jiale Xing Tingting Zhang Shutang Zhou 《Journal of Integrative Agriculture》 2025年第10期3953-3965,共13页
CRISPR/Cas9-based gene editing research has advanced greatly and shows broad potential for practical application in life sciences,but the Cas9 system is often constrained by the requirement of a protospacer adjacent m... CRISPR/Cas9-based gene editing research has advanced greatly and shows broad potential for practical application in life sciences,but the Cas9 system is often constrained by the requirement of a protospacer adjacent motif(PAM)at the target site.While xCas9,a variant derived from Streptococcus pyogenes Cas9(SpCas9),can recognize a broader range of PAMs,its application in non-model insects is lacking.In this study,we explored xCas9 activity in gene editing by selecting corazonin(Crz)and the target sites with various PAMs in Locusta migratoria,a destructive insect pest worldwide.We found that xCas9 could cleave the target site with AG PAM while SpCas9 could not,although xCas9 appeared to have lower activity than SpCas9 at the canonical NGG PAMs.The heritable homozygous Crz^(-/-)locust strain was generated by the application of xCas9.The Crz^(-/-)strain showed an albino body color,with significantly downregulated expression of several body color-related genes including Pale,Vermilion,Cinnabar,White andβ-carotene-binding protein.In addition,Crz^(-/-)mutants exhibited significantly reduced expression of Chitin synthase 1,along with a markedly lower chitin content as well as compact and rigid cuticles.Furthermore,Crz^(-/-)mutants displayed impaired performance under low-temperature stress,including prolonged lifespan,reduced body weight and smaller body size.Our results suggest that xCas9 is effective for insect genome editing,and Crz plays essential roles in insect body color,cuticle development and adaptation to low-temperature stress.The findings of this study extend the application of xCas9 in non-model insects and provide new insights into our understanding of the regulation of insect cuticle development and environmental adaptation. 展开更多
关键词 CRISPR/Cas9 xCas9 CORAZONIN migratory locust cuticle environmental adaptation
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The Locust (Tropidacris spp) within the Ejido “El Cuayo”
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作者 Compeán-Guzmán Francisco Javier Carlos Ricardo Menéndez Gámiz 《Advances in Entomology》 2025年第1期200-224,共25页
Tropidacris spp. represent the largest known group among acridoids. Their presence ranges from southeastern Mexico and has so far been confirmed only in tropical habitats. This publication seeks to highlight the curre... Tropidacris spp. represent the largest known group among acridoids. Their presence ranges from southeastern Mexico and has so far been confirmed only in tropical habitats. This publication seeks to highlight the current and potential challenges associated with their presence. For decades, the use of chemical insecticides has been the primary method for controlling locust populations, though these substances pose significant risks to human health and the environment. Recent research efforts are directed toward developing control methods that are less detrimental to both ecological and human health, such as biopesticides derived from pathogenic fungi, plant extracts, and strategically prescribed burns. Satellite surveillance enables the monitoring of the origination and progression of outbreaks to inform control strategy selection. 展开更多
关键词 Ejido “El Cuayo” Locust Infestation Tropidacris Collaris
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Black locust under long-term rainfall exclusion treatment changed its drought-resistance strategy to an adventurous pattern that potentially raised the risk of hydraulic damage
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作者 Mei-Jun Liu Le Chang +3 位作者 Qiu-Wen Chen Jinhong Guan Guoqing Li Sheng Du 《Forest Ecosystems》 2025年第6期1263-1275,共13页
The mechanism of plant response to water availability is a crucial research area in ecosystem adaptation to dry environments.Global change in precipitation patterns exacerbates drought risks in many regions,necessitat... The mechanism of plant response to water availability is a crucial research area in ecosystem adaptation to dry environments.Global change in precipitation patterns exacerbates drought risks in many regions,necessitating investigations of tree responses to drought.However,compared with seasonal drought events,how water use characteristics respond to long-term rainfall reduction remains poorly characterized.Here,we assessed the effects of multi-year rainfall exclusion treatments(in the 4th and 5th years)on sap flow,canopy conductance(G_(C)),and the response pattern to varying transpiration driving force(vapor pressure deficit(VPD))and soil moisture conditions in a black locust(Robinia pseudoacacia)plantation in the China's Loess Plateau.The experimental platform includes paired plots of a 30%throughfall exclusion treatment and a control within the plantation.The reduction of soil water content(SWC),either as temporal variations or as a result of rainfall exclusion treatment,generally lowered sap flow,G_(C),and the sensitivity to VPD.The difference in each index between plots was substantially greater than that among temporal variations in SWC within a plot.The trees in the control plot showed strong responses of G_(C)to temporal SWC changes,exhibiting an isohydric behavior.However,those subjected to long-term rainfall exclusion treatment had lower variations in G_(C)and the sensitivity across different SWC,exhibiting an anisohydric behavior under limited water conditions.Additionally,rainfall exclusion treatment decreased basal area(BA)increment but increased water use efficiency(WUE).The transition to anisohydric behavior suggests an adventurous pattern of water use strategy that has risks of hydraulic damage and shoot mortality.These findings provide insights into the different adaptation strategies within a species to diverse intensity and duration of drought conditions,which is crucial for sustainable forest management under climate change conditions. 展开更多
关键词 Black locust(Robinia pseudoacacia) Canopy conductance(G_(C)) Rainfall exclusion Sap flow Soil water Stomatal sensitivity Water use behavior
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CO/FT调节元件与植物开花时间调节研究进展 被引量:5
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作者 陈福禄 傅永福 林辰涛 《中国农业科技导报》 CAS CSCD 2009年第2期17-22,共6页
综述了CO/FT调节元件与植物开花时间调节的最新研究进展。开花是植物由营养生长向生殖生长转变的关键过程。光周期和温度在植物开花时间控制中起主要作用。在拟南芥和水稻中,CONSTANS(CO)对植物的日照长度测定至关重要,它与其靶基因FLOW... 综述了CO/FT调节元件与植物开花时间调节的最新研究进展。开花是植物由营养生长向生殖生长转变的关键过程。光周期和温度在植物开花时间控制中起主要作用。在拟南芥和水稻中,CONSTANS(CO)对植物的日照长度测定至关重要,它与其靶基因FLOWERINGLOCUST(FT)构成的调节元件(regulon)在依赖于光周期的开花过程中起重要作用。目前已从多种植物中鉴定出CO和FT基因,并对其在开花时间的调控作用进行了深入研究。 展开更多
关键词 CO/FT调节元件 开花时间 光周期 CONSTANS FLOWERING LOCUST
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The Dynamic Study on Transpiration Consumption of Black Locust Forest 被引量:2
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作者 贺康宁 侯振宏 《Forestry Studies in China》 CAS 2001年第2期10-17,共8页
To know the annual water consumption of forest, it is necessary to acquire the annual transpiration value of stands. This paper is based on the data measured in the typical weather of the growth season, from 1998 to 2... To know the annual water consumption of forest, it is necessary to acquire the annual transpiration value of stands. This paper is based on the data measured in the typical weather of the growth season, from 1998 to 2000, with the LI 1600 Steady Porometer and the general weather information. The daily variation of transpiration in black locust forest ( Robinia pesudoacacia L.) is modeled by Penman Monteith equation. As a result of the model, a continuous daily transpiration in the growth season was calculated. The net radiation, intercepted by black locust forest canopy, was acquired from a semi empirical equation of measuring net radiation R n with the extinction coefficient k and leaf area index LAI . The canopy integral stomatic resistance is a mimesis with an empirical equation of measuring data. Compared with measuring data, the relative error of the modeled ones is less than 12% averagely. At last, the total transpiration of black locust forest during the period of 1998 and 2000 in the growth season of May to October, as an average transpiration of the different density stands, were 192 46, 187 07 and 195 59?mm respectively. 展开更多
关键词 black locust TRANSPIRATION net radiation leaf area index extinction coefficient stomatic resistance water consumption
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Egg tanning improves the efficiency of CRISPR/Cas9-mediated mutant locust production by enhancing defense ability after microinjection 被引量:1
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作者 ZHANG Ting-ting WEN Ting-mei +8 位作者 YUE Yang YAN Qiang DU Er-xia FAN San-hong Siegfried ROTH LI Sheng ZHANG Jian-zhen ZHANG Xue-yao ZHANG Min 《Journal of Integrative Agriculture》 SCIE CAS CSCD 2021年第10期2716-2726,共11页
The mutant efficiency and hatching ratio are two key factors that significantly affect the construction of genome-modified mutant insects.In the construction of CRISPR/Cas9-mediated dsLmRNase2^(–/–)mutant locusts,we... The mutant efficiency and hatching ratio are two key factors that significantly affect the construction of genome-modified mutant insects.In the construction of CRISPR/Cas9-mediated dsLmRNase2^(–/–)mutant locusts,we found that the tanned eggs which experienced a 20-min contact with the oocyst exhibited a higher success rate compared to fresh newly-laid eggs that were less tanned.However,the heritable efficiency of the dsLmRNase2 deletion to the next generation G_(1 )progeny was similar between adults derived from the tanned or less tanned engineered eggs.Further,the similar effective mutant ratios in the normally developed eggs and G_(0) adults of tanned and less tanned eggs also indicated that tanning did not reduce the absolute mutation efficiency induced by CRISPR/Cas9.Moreover,we found that the syncytial division period,which was longer than the time for tanning,conferred a window period for microinjection treatment with efficient mutation in both tanned and less tanned eggs.We further found that tanned eggs exhibited a higher hatching rate due to a reduced infection rate following microinjection.Both the anti-pressure and ultrastructure analyses indicated that the tanned eggs contained compressed eggshells to withstand increased external pressure.In summary,tanned eggs possess stronger defense responses and higher efficiency of genome editing,providing an improved model for developing Cas9-mediated gene editing procedures in locusts. 展开更多
关键词 brown tanned eggs CRISPR/Cas9 mutant locusts MICROINJECTION defense ability
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A new species in the genus Hedotettix Bolívar(Orthoptera:Tetrigoidea:Tetrigidae) from Guizhou, China
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作者 邓维安 郑哲民 +1 位作者 张广海 伍朝荣 《Entomotaxonomia》 CSCD 北大核心 2013年第3期165-168,共4页
A new species in the genus Hedotettix Bolivar, Hedotettix circinihumerus Deng & Zheng sp. nov., is described from the Luodian Area of Guizhou, China.
关键词 CAELIFERA pygmy locust Hedotettix circinihumerus taxonomy
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A new species in the genus Austrohancockia Günther(Orthoptera: Tetrigoidea: Cladonotidae) from Anhui, China
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作者 查岭生 邓维安 +1 位作者 郑哲民 李晓明 《Entomotaxonomia》 CSCD 北大核心 2014年第2期85-89,共5页
One new species in the genus Austrohancockia Giinther, Austrohancockia yuexiensis Zha, Deng & Zheng sp. nov., is described and photographed from Yuexi, Anhui, China. The type specimens are deposited in the Specimen R... One new species in the genus Austrohancockia Giinther, Austrohancockia yuexiensis Zha, Deng & Zheng sp. nov., is described and photographed from Yuexi, Anhui, China. The type specimens are deposited in the Specimen Room of the School of Life Sciences, Huaibei Normal University, Huaibei, Anhui, China. 展开更多
关键词 CAELIFERA pygmy locust taxonomy
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Discovery and description of the female Tetrix grossifemura (Orthoptera: Tetrigoidea)
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作者 李晓东 邓维安 +1 位作者 董玉华 王利繁 《Entomotaxonomia》 CSCD 北大核心 2014年第1期8-10,共3页
The female of Tetrix grossifemura Zheng & Jiang, 1997 is discovered and described, voucher specimens are in the School of Chemistry and Bioengineering, Hechi University.
关键词 CAELIFERA pygmy locust TAXONOMY
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Discovery and description of the male Macromotettix convexa(Orthoptera:Tetrigoidea)
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作者 李晓东 邓维安 黄冬阳 《Entomotaxonomia》 CSCD 2015年第2期98-100,共3页
The male of Macromotettix convexa Deng, Zheng & Zhan, 2010 is discovered and described. Voucher specimens are in the School of Chemistry and Bioengineering, Hechi University.
关键词 CAELIFERA pygmy locust TAXONOMY
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A new species in the genus Bolivaritettix Günther(Orthoptera: Tetrigoidea: Metrodoridae) from the Karst area of Guizhou, China
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作者 查岭生 何应红 +1 位作者 文庭池 Kevin D.HYDE 《Entomotaxonomia》 CSCD 2015年第4期244-248,共5页
During the investigation of species diversity at the Lengshuihe Nature Preserve in Jinsha, Guizhou,China in Aug. 2015, a new species of the genus Bolivaritettix, B. jinshaensis Zha Wen sp. nov. was found.Herein we int... During the investigation of species diversity at the Lengshuihe Nature Preserve in Jinsha, Guizhou,China in Aug. 2015, a new species of the genus Bolivaritettix, B. jinshaensis Zha Wen sp. nov. was found.Herein we introduce it with description and illustration. It is similar to but differs from B. yuanbaoshanensis Zheng Jiang by: 1) vertex 1.8(♂) or 2.0(♀) times as wide as one eye; 2) in profile, vertex together with frontal ridge protruding and distinctly visible before eyes; 3) midkeel of pronotum interrupted or obscure between lateral keels of prozona; 4) pronotum and hind femur distinctly longer than those of the latter; 5)upper valvulae of ovipositor only 3.8 times as long as wide. 展开更多
关键词 Metrodorinae pygmy locust taxonomy ecology
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