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Lost and found in Ireland; how a data label resulted in a postal delivery to Metriocnemus (Inermipupa) carmencitabertarum (Orthocladiinae) 爱尔兰失物招领处;一个数据标签是如何导致邮寄给Metriocnemus (inmipupa) carmencitabertarum (Orthocladiinae)的
Pub Date : 2015-12-22 DOI: 10.5324/CJCR.V0I28.1897
D. Murray
A plastic vial containing reference chironomid adults and pupal exuviae and a data label in alcohol was sent by post in a package from the Republic of Ireland to a colleague in Northern Ireland (UK). The package was delivered but the vial with specimens was missing. Several months later the vial was found in the Northern Ireland Mail Centre and returned to the original sender using the species name and other information taken from the label in the vial as an address. The recovery of the lost specimens illustrates an additional benefit of accurate data labelling.
从爱尔兰共和国邮寄一个塑料小瓶给北爱尔兰(联合王国)的一位同事,瓶子里装有参考的摇蚊成虫和蛹蜕卵以及酒精中的数据标签。包裹送达了,但装有标本的小瓶不见了。几个月后,这只瓶子在北爱尔兰邮政中心被发现,并以瓶子上的物种名称和标签上的其他信息作为地址寄还给了原来的寄件人。丢失标本的恢复说明了准确数据标记的另一个好处。
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引用次数: 0
Identification of Chironomus (Chironomus) melanescens Keyl, 1962 in North America 北美Chironomus (Chironomus) melanescens Keyl的鉴定,1962
Pub Date : 2015-12-22 DOI: 10.5324/CJCR.V0I28.1898
John Martin
Chironomus melanescens was originally described by Keyl (1962) on the basis of the morphology of polytene chromosome arms A, E, and F in populations from Germany. Keyl ascribed the name to Strenzke, but although Strenzke collected and reared the specimens, he died before he was able to describe them. Keyl also had used the name in a 1961 paper but there was no information that could be considered a species description (i.e. it was a nomen nudum). The type localities in Keyl (1962) are given as Duemer Lake and a pool south of Clauthal-Zellerfeld. Wülker et al. (1981) quoted a personal communication from Keyl in which he nominated the type specimen as slide S1149 B2 (misread as S1149 82), and giving the locality as Harz, Acker, which is a loose reference to Clauthal-Zellerfield. The latter paper gave a more full description of the chromosomes as well as some information about the adult male and the larva of material from Germany and Switzerland, although specifically aimed at distinguishing C. melanescens from the closely related C. holomelas Keyl, 1962 and C. saxatilis Wülker et al., 1981. Kiknadze et al. (1991) illustrated the larva and redescribed the cytology from Russian populations.
Chironomus melanescens最初是由Keyl(1962)根据德国种群中多烯染色体臂A、E和F的形态描述的。Keyl把这个名字归于Strenzke,但是尽管Strenzke收集并饲养了这些标本,但他在能够描述它们之前就去世了。Keyl在1961年的一篇论文中也使用了这个名字,但没有可以被认为是物种描述的信息(即它是一个nomen nudum)。Keyl(1962)的类型地点是Duemer湖和Clauthal-Zellerfeld南部的一个水池。w lker等人(1981)引用了Keyl的个人通信,其中他将模式标本命名为幻灯片S1149 B2(被误读为S1149 82),并将地点命名为Harz, Acker,这是对Clauthal-Zellerfield的松散引用。后一篇论文对来自德国和瑞士的材料的染色体进行了更全面的描述,并提供了一些关于成年雄性和幼虫的信息,尽管它的目的是将C. melanescens与密切相关的C. holomelas Keyl(1962)和C. saxatilis w lker et al(1981)区分出来。Kiknadze等人(1991)描述了俄罗斯种群的幼虫,并重新描述了细胞学。
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引用次数: 0
Preliminary data on the chironomid fauna of the Middle Volga region within the Republic of Tatarstan (Russia) based on hydrobiological monitoring studies 基于水文生物监测研究的鞑靼斯坦共和国(俄罗斯)伏尔加河中部地区摇尾虫区系初步资料
Pub Date : 2015-12-22 DOI: 10.5324/CJCR.V0I28.1876
T. Kondrateva, L. Nazarova
Here we provide a new list of chironomid taxa from the middle section of the River Volga (within the Republic of Tatarstan) and its tributaries (Mesha, Kazanka, Svijaga, Steppe Zai, Vjatka, Big Cheremshan, Tojma, Avlashka, Jurashka, and small inundated reservoir of Kazan). Chironomids were investigated from hydrobiological collections of zoobenthos completed by the Meteorological service of Russia (FPBI “Management of hydrometeorology and environmental monitoring of the Republic of Tatarstan”).
本文提供了伏尔加河中段(鞑靼斯坦共和国境内)及其支流(Mesha、Kazanka、Svijaga、Steppe Zai、Vjatka、Big Cheremshan、Tojma、Avlashka、Jurashka和Kazan小淹没水库)的chironomic分类群的新列表。从俄罗斯气象局(FPBI“鞑靼斯坦共和国水文气象和环境监测管理”)完成的底栖动物水生生物资料中调查了摇尾虫。
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引用次数: 0
A preliminary survey of the non-biting midges (Diptera: Chironomidae) of the Dominican Republic 文章标题多米尼加共和国非蠓类(双翅目:蠓科)的初步调查
Pub Date : 2015-12-22 DOI: 10.5324/CJCR.V0I28.1925
Fabio Laurindo da Silva, S. Wiedenbrug, Brian D. Farrell
Chironomidae (Diptera) are among the most diverse and widespread aquatic insects, with roughly 5,500 described species. However, prior to the present work, no species of Chironomidae had been documented from the island of Hispaniola. Collections of non-biting midges, with emphasis on the lotic fauna, were made in the Dominican Republic during July of 2015. In total, 578 specimens belonging to 27 genera and at least 44 species within the subfamilies Chironominae (20 taxa), Orthocladiinae (16 taxa) and Tanypodinae (8 taxa) were found. The subfamilies Chironominae and Orthocladiinae predominated. Polypedilum was the most widespread and diverse genus of Chironominae. Metriocnemus were collected in bromeliad tanks. The chironomid fauna in Dominican Republic includes multiple genera with worldwide distributions, including Holarctic and Neotropical components.
手蛾科(双翅目)是最多样化和最广泛的水生昆虫之一,大约有5500种被描述的物种。然而,在此之前,在伊斯帕尼奥拉岛没有记录到Chironomidae的物种。2015年7月在多米尼加共和国收集了非咬人蠓,重点是lotic区系。结果显示,共发现标本578份,分属Chironominae亚科(20个分类群)、Orthocladiinae亚科(16个分类群)和Tanypodinae亚科(8个分类群)27属44种。雀鸟亚科和正枝亚科占主导地位。水仙属是凤尾花科分布最广、种类最多的属。在凤梨罐中收集滴虫。多米尼加共和国的摇壶目动物群包括多个属,分布在世界各地,包括全北极和新热带成分。
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引用次数: 10
Chironomids: A Personal Journey Chironomids:个人旅程
Pub Date : 2015-12-22 DOI: 10.5324/CJCR.V0I28.1927
C. Rosa
The year was 1977. I was an undergraduate student at the newly created Biology Department at the Simon Bolivar University in Venezuela. We were a group of about 30 students, mostly transfers from other careers (I had been in Engineering for 3 years when I transferred to Biology), who had waited patiently for the bureaucratic process of creating a new department in our university. A team of new faculty members, some very well known scientists, some barely older than we were, worked with the students to create the new curriculum, outfit the laboratories, and develop research projects where the students could participate as research assistants. It was a wonderful time filled with creativity, endless energy, hard work, and fantastic scholarship and idealism. Some of us students drifted from lab to lab, learning techniques, going on field trips with our professors, and learning the ropes of this new career we had chosen: to be a professional biologist.
那一年是1977年。我是委内瑞拉西蒙玻利瓦尔大学新成立的生物系的一名本科生。我们是一群大约30名学生,大多数是从其他职业转来的(我转到生物专业时已经在工程专业工作了3年),我们耐心地等待着在我们大学创建一个新部门的官僚程序。一个由新教师组成的团队,有些是非常知名的科学家,有些比我们年纪还小,他们和学生们一起创建新课程,装备实验室,开发研究项目,学生们可以作为研究助理参与其中。那是一段充满创造力、无穷活力、勤奋工作、出色学识和理想主义的美好时光。我们中的一些学生从一个实验室转到另一个实验室,学习技术,跟着教授实地考察,学习我们选择的新职业的诀窍:成为一名专业生物学家。
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引用次数: 2
Online early - only online 在线早-只在线
Pub Date : 2015-12-22 DOI: 10.5324/CJCR.V0I28.1960
T. Ekrem, Alyssa M. Anderson, P. Langton
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引用次数: 0
A note on sampling chironomids for RNA-based studies of natural populations that retains critical morphological vouchers 对保留关键形态凭证的自然种群的基于rna的研究取样摇尾虫的注释
Pub Date : 2015-12-01 DOI: 10.5324/CJCR.V0I28.1877
M. Krosch, L. M. Bryant
The rapid uptake of transcriptomic approaches in freshwater ecology has seen a wealth of data produced concerning the ways in which organisms interact with their environment on a molecular level. Typically, such studies focus either at the community level and so don’t require species identifications, or on laboratory strains of known species identity or natural populations of large, easily identifiable taxa. For chironomids, impediments still exist for applying these technologies to natural populations because they are small-bodied and often require time-consuming secondary sorting of stream material and morphological voucher preparation to confirm species diagnosis. These procedures limit the ability to maintain RNA quantity and quality in such organisms because RNA degrades rapidly and gene expression can be altered rapidly in organisms; thereby limiting the inclusion of such taxa in transcriptomic studies. Here, we demonstrate that these limitations can be overcome and outline an optimised protocol for collecting, sorting and preserving chironomid larvae that enables retention of both morphological vouchers and RNA for subsequent transcriptomics purposes. By ensuring that sorting and voucher preparation are completed within <4 hours after collection and that samples are kept cold at all times, we successfully retained both RNA and morphological vouchers from all specimens. Although not prescriptive in specific methodology, we anticipate that this paper will assist in promoting transcriptomic investigations of the sublethal impact on chironomid gene expression of changes to aquatic environments.
转录组学方法在淡水生态学中的迅速应用,已经产生了大量关于生物在分子水平上与其环境相互作用方式的数据。通常,这类研究要么集中在群落水平,因此不需要物种鉴定,要么集中在已知物种身份的实验室菌株或大型自然种群,容易识别的分类群。对摇尾拟鱼来说,由于其体型较小,而且往往需要耗费大量时间对溪流材料进行二次分类,并准备形态证明以确定物种诊断,因此将这些技术应用于自然种群仍然存在障碍。这些程序限制了在这些生物体中维持RNA数量和质量的能力,因为RNA降解迅速,基因表达在生物体中可以迅速改变;从而限制了这些分类群在转录组学研究中的纳入。在这里,我们证明了这些限制是可以克服的,并概述了一种收集、分类和保存摇蚊幼虫的优化方案,该方案能够保留形态凭证和RNA,用于随后的转录组学目的。通过确保在收集后4小时内完成分选和凭证制备,并始终保持样品低温,我们成功地保留了所有标本的RNA和形态凭证。虽然在具体方法上没有规定,但我们预计本文将有助于促进水生环境变化对摇尾鱼基因表达亚致死影响的转录组学研究。
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引用次数: 3
First record of gynandromorphy in fossil Chironomidae (Diptera) from Late Eocene Rovno amber 晚始新世Rovno琥珀中手蛾科(双翅目)化石的首次雌雄同体记录
Pub Date : 2014-12-22 DOI: 10.5324/CJCR.V0I27.1701
V. Baranov, E. Perkovsky
Gynandromorphy as an abnormal mixture of sex-specific traits of males and females in an individual is wide spread among the Chironomidae (Martin and Lee 2000). Gynandromorphy could be caused by mutation in the mitosis regulating genes, which creates an abnormal puzzle of “genetically masculine” and “feminine” body parts, or by other factors like Mermithidae (Nematoda) parasites (Martin 1994). Gynandromorphs can be categorized based on morphology and relationships between “male” and “ female” parts of the body. Basically they could be divided in 3 groups: a) anteroposterior gynandromorphs – with anterior and posterior parts of the body possessing traits of different sexes; b) lateral – with body possessing different sexes traits on the left and right sides; c) mosaic – with sexual traits creating a sophisticated puzzle where wings and limbs can be attributed to the phenotypes of different sexes (Martin 1994, Rempel 1940). Studies of gynandromorphs are important for understanding Chironomidae sex determination mechanisms and evolution of the group.
雌雄同体现象是一种个体中雄性和雌性特征的异常混合现象,在摇尾蚊科中广泛存在(Martin and Lee 2000)。雌雄同体可能是由有丝分裂调节基因的突变引起的,这造成了“遗传上男性化”和“女性化”身体部位的异常困惑,或者是由其他因素引起的,比如线虫科寄生虫(Martin 1994)。雌雄同体可以根据形态和身体“男性”和“女性”部位之间的关系进行分类。基本上它们可以分为3类:a)前后雌雄同体——身体的前后部分具有不同性别的特征;B) lateral—身体左右两侧具有不同的性别特征;c)马赛克——性别特征创造了一个复杂的谜题,翅膀和四肢可以归因于不同性别的表型(Martin 1994, Rempel 1940)。雌雄同体的研究对了解摇蚊科性别决定机制和群体进化具有重要意义。
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引用次数: 1
The 20th International Symposium on Chironomidae 第20届手蛾科国际学术研讨会
Pub Date : 2014-12-22 DOI: 10.5324/CJCR.V0I27.1703
V. Lencioni
Prince Bishops turned the Buonconsiglio castle into one of the best known castles in the whole of Europe and Trento (historically known in English as Trent) is the capital of the Trentino Province, a mountain region located in the heart of the Alps. The Province covers an area of more than 6,000 km2, with a total population of about 0.5 million. Trento lies in the Adige valley just south of the Dolomite Mountains, where the Fersina River and Avisio rivers join the Adige River, the second longest river in Italy. The town centre is more or less a pedestrian area, and walking around the historic centre you can see a number of outdoor frescos on historic buildings. MUSEMuseo delle Scienze (previously Museo Tridentino di Scienze Naturali) is one of the main cultural centers of the city and was built along the banks of the Adige. It manages, in addition to the main museum located close to the city centre, a network of six museums and local offices at the provincial level and one in Tanzania. MUSE, that traces back its origin in the mid XIX century, is the first museum in Italy that harmoniously blends nature, science and technology, devoted to research, visitor interpretation and education. Since 2013 the museum has been located in a new building whose outline recalls the profile of the surrounding mountains, with a finely balanced contrast between Town centre, the Cathedral. Photo: Matteo Ianeselli / Wikimedia Commons / CC-BY-3.0& GFDL.
比普斯亲王把布翁consiglio城堡变成了整个欧洲最著名的城堡之一,而特伦托(英语中历史上被称为Trent)是特伦蒂诺省的首府,特伦蒂诺省是位于阿尔卑斯山中心的山区。全省面积6000多平方公里,总人口约50万。特伦托位于多洛米蒂山脉以南的阿迪杰河谷,费尔西纳河和阿维西奥河在这里汇入阿迪杰河,阿迪杰河是意大利第二大河。镇中心或多或少是一个步行区,在历史中心散步,你可以看到许多历史建筑上的户外壁画。MUSEMuseo delle Scienze(以前的Tridentino di Scienze Naturali博物馆)是城市的主要文化中心之一,沿着阿迪杰河岸建造。除了位于市中心附近的主要博物馆外,它还管理着一个由六个博物馆和省级地方办事处组成的网络,以及坦桑尼亚的一个办事处。缪斯博物馆的起源可以追溯到19世纪中叶,是意大利第一个将自然、科学和技术和谐融合的博物馆,致力于研究、游客解说和教育。自2013年以来,博物馆位于一座新建筑内,其轮廓与周围山脉的轮廓相呼应,与市中心和大教堂形成了微妙的对比。图片来源:Matteo Ianeselli / Wikimedia Commons / CC-BY-3.0& GFDL。
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引用次数: 0
19th International Symposium on Chironomidae, České Budĕjovice, Czech Republic, 17-22 August 2014 第19届手蛾科国际研讨会,České Budĕjovice,捷克共和国,2014年8月17-22日
Pub Date : 2014-12-22 DOI: 10.5324/cjcr.v0i27.1725
P. Langton
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引用次数: 0
期刊
CHIRONOMUS Journal of Chironomidae Research
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