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Integrated Taxonomic Revision of Afrotropical Xyleborinus (Curculionidae: Scolytinae) Reveals High Diversity After Recent Colonization of Madagascar 非洲木疣猴(Curculionidae:Scolytinae)的综合分类修订揭示了最近在马达加斯加殖民后的高度多样性
IF 3.4 1区 农林科学 Q1 ENTOMOLOGY Pub Date : 2021-05-01 DOI: 10.1093/isd/ixab011
Jonas M Eliassen, B. Jordal
Abstract The ambrosia beetle genus Xyleborinus Reitter, 1913 is particularly species rich in Madagascar where the genus exhibits extraordinary morphological variation not seen elsewhere. This study provides the first detailed molecular phylogeny of the genus based on COI, 28S, and CAD gene fragments. Biogeographical and taxonomic hypotheses were tested for the Afrotropical fauna with a particular focus on the Malagasy radiation. Analyses revealed a single colonization of Madagascar no earlier than 8.5–11.0 Ma, indicating an extraordinary recent radiation on the island which has given rise to at least 32 species. Two recolonization events of the African mainland were strongly supported by the molecular data, with several other intraspecific dispersals to the mainland inferred from species distributions. A taxonomic re-evaluation of all Afrotropical Xyleborinus resulted in several taxonomic changes. We found that morphological differences associated with COI divergence higher than 7% indicated different species. Twelve new species are described: Xyleborinus castriformis Eliassen & Jordal, sp. nov., Xyleborinus clivus Eliassen & Jordal, sp. nov., Xyleborinus concavus Eliassen & Jordal, sp. nov., Xyleborinus coronatus Eliassen & Jordal, sp. nov., Xyleborinus diadematus Eliassen & Jordal, sp. nov., Xyleborinus laevipennis Eliassen & Jordal, sp. nov., Xyleborinus magnispinosus Eliassen & Jordal, sp. nov., Xyleborinus margo Eliassen & Jordal, sp. nov., Xyleborinus ntsoui Eliassen & Jordal, sp. nov., Xyleborinus singularis Eliassen & Jordal, sp. nov., Xyleborinus tuberculatus Eliassen & Jordal, sp. nov., and Xyleborinus turritus Eliassen & Jordal, sp. nov., all from Madagascar. New synonyms are proposed for Xyleborinus aemulus (Wollaston, 1869) [=Xyleborinus spinifer (Eggers, 1920)], Xyleborinus andrewesi (Blandford, 1896) [=Xyleborinus mimosae (Schedl, 1957)], Xyleborinus dentellus (Schedl, 1953) [=Xyleborinus forcipatus (Schedl, 1957)], Xyleborinus octospinosus (Eggers, 1920) [=Xyleborinus mitosomipennis (Schedl, 1953)], and Xyleborinus similans (Eggers, 1940) [=Xyleborinus sclerocaryae (Schedl, 1962)]. Two species were given new status: Xyleborinus profundus (Schedl, 1961) is elevated from subspecies of Xyleborinus aduncus (Schedl, 1961), and Xyleborinus mitosomus (Schedl, 1965) is reinstated from its previous synonymy with Xyleborinus spinosus (Schaufuss, 1891). Xyleborus gracilipennis Schedl 1957 is reverted to its original genus, and a similar status is confirmed for Xyleborus collarti Eggers 1932. The number of taxonomically valid Xyleborinus species in the Afrotropical region is now 47, which includes 3 adventive species. Revised diagnoses for all species and a key for species identification are provided.
摘要:安布罗西亚甲虫属Xyleborinus Reitter,1913年是马达加斯加特别丰富的物种,该属在马达加斯加表现出其他地方没有的非凡形态变化。本研究首次基于COI、28S和CAD基因片段提供了该属的详细分子系统发育。对非洲营养动物群的生物地理和分类学假设进行了测试,特别关注马达加斯加辐射。分析显示,马达加斯加的单次殖民时间不早于8.5-11.0 Ma,这表明该岛最近发生了一次非同寻常的辐射,至少产生了32个物种。分子数据有力地支持了非洲大陆的两次重新殖民事件,从物种分布推断出了其他几次物种内向大陆的迁移。对所有非洲萎缩性木犀属的分类学重新评估导致了一些分类学上的变化。我们发现,与COI分化相关的形态差异高于7%表明了不同的物种。描述了12个新种:castriformis木霉Eliasen&Jordal,sp.nov.,斜坡木霉Eliassen&Jordial,sp.nov.,凹形木霉Eliasen&Jordar,sp.nova.,冠状病毒Eliassen和Jordal。,margo Eliassen&Jordal,sp.nov.、ntsoui Eliasen&Jordial,sp.nov.、Eliasen和Jordal奇点木霉,sp.nova.、Eliassen和Jordial结核木霉,sp.nov.和Eliasen and Jordal turritus木霉,sp.nov.,均来自马达加斯加。提出了新的同义词,分别是:aemulus(Wollaston,1869)[=spinifer(Eggers,1920)]、andrewesi(Blandford,1896)[=mimosae(Schedl,1957)]、dentellus,和类似木霉(Eggers,1940)[=硬壳木霉(Schedl,1962)]。有两个物种被赋予了新的地位:深度木霉(Schedl,1961)是从aduncus木霉的亚种(Schedulel,1961)中提升而来的,有丝分裂木霉(Scheduler,1965)是从其先前与棘状木霉的同义词中恢复而来的(Schaufuss,1891)。1957年细柄木疣病毒(Xylebrus gracilpenis Schedl)恢复为其原始属,1932年羽衣木疣病毒Eggers也证实了类似的状态。非洲热带地区分类有效的木犀属物种数量目前为47种,其中包括3种外来物种。提供了所有物种的修订诊断和物种鉴定的关键。
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引用次数: 5
Phylogeny, Phenology, and Foraging Breadth of Ashmeadiella (Hymenoptera: Megachilidae) 大叶蜂的系统发育、物候学及觅食宽度(膜翅目:大叶蜂科)
IF 3.4 1区 农林科学 Q1 ENTOMOLOGY Pub Date : 2021-05-01 DOI: 10.1093/isd/ixab010
Elizabeth A. Murray, Laurelin Evanhoe, S. Bossert, M. Geber, Terry Griswold, Shaun M. McCoshum
Abstract Ashmeadiella Cockerell (Megachilidae: Osmiini) is a bee genus endemic to North America, with greatest richness in arid and Mediterranean regions of the southwestern United States. Species relationships of Ashmeadiella were last analyzed in the 1950s, when Robert Sokal and Charles Michener developed a novel statistical clustering method for classification called numerical taxonomy. To revisit the taxonomic groups they established, we built a molecular phylogeny including all five subgenera. Furthermore, we assembled life history data to lay the foundation for future conservation programs for these bees. We chose three aspects of bee biology that can inform conservation strategies: documenting periods of the year adult bees are flying, assembling data for the flowers each species visits, and compiling the localities and ecoregions where each species is reported. Our results suggest that some Ashmeadiella species may need to be synonymized and that the subgenera should be revised due to non-monophyly. We therefore propose synonymizing the subgenera Cubitognatha and Chilosima with Arogochila. Biological data from published collection records reveal that adult flight periods range from a few months to 11 mo; most species utilize floral resources from multiple plant families; and, over half of the species have ranges extending into the Mojave Desert.
Ashmeadiella Cockerell(大蜂科:大蜂科)是北美特有的蜜蜂属,在美国西南部的干旱和地中海地区最为丰富。20世纪50年代,Robert Sokal和Charles Michener提出了一种新的统计聚类方法,称为数值分类学,对Ashmeadiella的物种关系进行了最后的分析。为了重新审视他们建立的分类群,我们建立了一个包括所有五个亚属的分子系统发育。此外,我们收集了生活史数据,为这些蜜蜂的未来保护计划奠定了基础。我们选择了蜜蜂生物学的三个方面,可以为保护策略提供信息:记录一年中成年蜜蜂飞行的时期,收集每个物种访问的花朵的数据,汇编每个物种报告的地点和生态区域。我们的研究结果表明,Ashmeadiella的一些物种可能需要同义化,并且由于其非单系性,应该对亚属进行修订。因此,我们建议将Cubitognatha和Chilosima亚属与Arogochila同义。已公布的收集记录的生物学数据显示,成虫的飞行期从几个月到11个月不等;大多数物种利用来自多个植物科的花资源;超过一半的物种的活动范围延伸到莫哈韦沙漠。
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引用次数: 2
Museomics: Phylogenomics of the Moth Family Epicopeiidae (Lepidoptera) Using Target Enrichment 博物馆组学:利用靶标富集的蛾科表翅目(鳞翅目)的系统发育基因组学
IF 3.4 1区 农林科学 Q1 ENTOMOLOGY Pub Date : 2021-03-01 DOI: 10.1093/isd/ixaa021
E. Call, Christoph Mayer, Victoria G. Twort, Lars Dietz, N. Wahlberg, M. Espeland
Abstract Billions of specimens can be found in natural history museum collections around the world, holding potential molecular secrets to be unveiled. Among them are intriguing specimens of rare families of moths that, while represented in morphology-based works, are only beginning to be included in genomic studies: Pseudobistonidae, Sematuridae, and Epicopeiidae. These three families are part of the superfamily Geometroidea, which has recently been defined based on molecular data. Here we chose to focus on these three moth families to explore the suitability of a genome reduction method, target enrichment (TE), on museum specimens. Through this method, we investigated the phylogenetic relationships of these families of Lepidoptera, in particular the family Epicopeiidae. We successfully sequenced 25 samples, collected between 1892 and 2001. We use 378 nuclear genes to reconstruct a phylogenetic hypothesis from the maximum likelihood analysis of a total of 36 different species, including 19 available transcriptomes. The hypothesis that Sematuridae is the sister group of Epicopeiidae + Pseudobistonidae had strong support. This study thus adds to the growing body of work, demonstrating that museum specimens can successfully contribute to molecular phylogenetic studies.
摘要在世界各地的自然历史博物馆收藏中可以发现数十亿个标本,这些标本蕴藏着有待揭开的潜在分子秘密。其中有一些有趣的稀有蛾科标本,虽然在基于形态学的著作中有代表性,但它们才刚刚开始被纳入基因组研究:假双蛾科、三叶蛾科和表蛾科。这三个家族是地质总科的一部分,该总科最近根据分子数据进行了定义。在这里,我们选择关注这三个蛾科,以探索基因组减少方法,即靶点富集(TE),对博物馆标本的适用性。通过这种方法,我们研究了鳞翅目这些科的系统发育关系,特别是表翅科。我们成功地对1892年至2001年间采集的25个样本进行了测序。我们使用378个核基因,通过对总共36个不同物种(包括19个可用转录组)的最大似然分析,重建了系统发育假说。Sematuridae是Epicopeidae+Pseudobistonidae的姐妹群的假说得到了有力的支持。因此,这项研究增加了越来越多的工作,证明博物馆标本可以成功地为分子系统发育研究做出贡献。
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引用次数: 16
Phylogenetic Systematics of the Millipede Family Xystodesmidae 千足虫科Xystodesmidae的系统发育系统学
IF 3.4 1区 农林科学 Q1 ENTOMOLOGY Pub Date : 2021-03-01 DOI: 10.1093/isd/ixab003
J. Means, Derek A. Hennen, Tsutomu Tanabe, P. Marek
Abstract The millipede family Xystodesmidae includes 486 species distributed primarily in temperate deciduous forests in North America and East Asia. Species diversity of the family is greatest in the Appalachian Mountains of the eastern United States, with 188 species. Although the group includes notable taxa such as those that are bioluminescent and others that display Müllerian mimicry, producing up to 600 mg of cyanide, basic alpha-taxonomy of the group is woefully incomplete and more than 50 species remain undescribed in the Appalachian Mountains alone. In order to establish a robust phylogenetic foundation for addressing compelling evolutionary questions and describing species diversity, we assembled the largest species phylogeny (in terms of species sampling) to date in the Diplopoda. We sampled 49 genera (out of 57) and 247 of the species in the family Xystodesmidae, recollecting fresh material from historical type localities and discovering new species in unexplored regions. Here, we present a phylogeny of the family using six genes (four mitochondrial and two nuclear) and include pivotal taxa omitted from previous studies including Nannaria, Erdelyia, taxa from East Asia, and 10 new species. We show that 6 of the 11 tribes are monophyletic, and that the family is paraphyletic with respect to the Euryuridae and Eurymerodesmidae. Prior supraspecific classification is in part inconsistent with the phylogeny and convergent evolution has caused artificial genera to be proposed. Subspecific classification is likewise incongruent with phylogeny and subspecies are consistently not sister to conspecifics. The phylogeny is used as a basis to update the classification of the family, diagnose monophyletic groups, and to inform species hypotheses.
摘要千足虫科包括486种,主要分布在北美和东亚的温带落叶林中。该科的物种多样性在美国东部的阿巴拉契亚山脉最大,共有188种。尽管该类群包括一些著名的类群,如生物发光的类群和其他表现出米勒拟态的类群,产生高达600毫克的氰化物,但该类群的基本α分类法却非常不完整,仅在阿巴拉契亚山脉就有50多个物种未被描述。为了为解决令人信服的进化问题和描述物种多样性奠定坚实的系统发育基础,我们收集了迄今为止双足目中最大的物种系统发育(就物种采样而言)。我们对Xystodesmidae科的49个属(57个属中)和247个物种进行了采样,从历史类型地区收集了新鲜材料,并在未探索的地区发现了新物种。在这里,我们使用六个基因(四个线粒体和两个核)对该科进行了系统发育,并包括以前研究中遗漏的关键分类群,包括Nannaria、Erdelyia、东亚分类群和10个新种。我们发现,11个部落中有6个是单系的,该家族与Euryuridae和Eurymerodesmidae是异系的。先前的超特异性分类在一定程度上与系统发育不一致,趋同进化导致了人工属的提出。亚种分类同样与系统发育不一致,亚种始终不是同种的姐妹。系统发育被用作更新科的分类、诊断单系群和为物种假说提供信息的基础。
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引用次数: 13
Diversification Pattern of the Widespread Holarctic Cuckoo Bumble Bee, Bombus flavidus (Hymenoptera: Apidae): The East Side Story 广泛分布的全北极杜鹃大黄蜂的多样化模式,黄斑大黄蜂(膜翅目:蜂科):东区故事
IF 3.4 1区 农林科学 Q1 ENTOMOLOGY Pub Date : 2021-03-01 DOI: 10.1093/isd/ixab007
Patrick Lhomme, Sarah D. Williams, G. Ghisbain, B. Martinet, Maxence Gérard, H. Hines
Abstract Recent bumble bee declines have made it increasingly important to resolve the status of contentious species for conservation purposes. Some of the taxa found to be threatened are the often rare socially parasitic bumble bees. Among these, the socially parasitic bumble bee, Bombus flavidus Eversmann, has uncertain species status. Although multiple separate species allied with B. flavidus have been suggested, until recently, recognition of two species, a Nearctic Bombus fernaldae (Franklin) and Palearctic B. flavidus, was favored. Limited genetic data, however, suggested that even these could be a single widespread species. We addressed the species status of this lineage using an integrative taxonomic approach, combining cytochrome oxidase I (COI) and nuclear sequencing, wing morphometrics, and secretions used for mate attraction, and explored patterns of color polymorphism that have previously confounded taxonomy in this lineage. Our results support the conspecificity of fernaldae and flavidus; however, we revealed a distinct population within this broader species confined to eastern North America. This makes the distribution of the social parasite B. flavidus the broadest of any bumble bee, broader than the known distribution of any nonparasitic bumble bee species. Color polymorphisms are retained across the range of the species, but may be influenced by local mimicry complexes. Following these results, B. flavidus Eversmann, 1852 is synonymized with Bombus fernaldae (Franklin, 1911) syn. nov. and a subspecific status, Bombus flavidus appalachiensis ssp. nov., is assigned to the lineage ranging from the Appalachians to the eastern boreal regions of the United States and far southeastern Canada.
最近大黄蜂数量的下降使得解决有争议物种的保护问题变得越来越重要。一些被发现受到威胁的分类群是通常罕见的群居寄生大黄蜂。其中,群居寄生大黄蜂(Bombus flavidus Eversmann)的物种地位尚不确定。尽管有多个与黄芽孢杆菌有亲缘关系的独立种被提出,但直到最近,新北极的一种Bombus fernaldae (Franklin)和旧北极的两种黄芽孢杆菌才被认可。然而,有限的遗传数据表明,即使是这些物种也可能是一个广泛分布的物种。我们使用综合分类方法,结合细胞色素氧化酶I (COI)和核测序,翅膀形态测量学和用于吸引配偶的分泌物,研究了该谱系的物种状态,并探索了以前在该谱系中混淆分类的颜色多态性模式。本研究结果支持芬纳科与黄酮科的同一性;然而,我们发现在这个广泛的物种中有一个独特的种群,局限于北美东部。这使得群居寄生虫黄斑蜂成为所有大黄蜂中分布最广的,比任何非寄生大黄蜂物种的已知分布都要广。颜色多态性在整个物种范围内保留,但可能受到局部模仿复合体的影响。根据这些结果,B. flavidus Eversmann, 1852与Bombus fernaldae (Franklin, 1911) syn11 . 11同义,并作为亚特异地位,称为Bombus flavidus appalachiensis ssp。11月11日,被分配到从阿巴拉契亚到美国东部北部地区和加拿大东南部的谱系。
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引用次数: 7
Pretrained Convolutional Neural Networks Perform Well in a Challenging Test Case: Identification of Plant Bugs (Hemiptera: Miridae) Using a Small Number of Training Images 预训练卷积神经网络在一个具有挑战性的测试用例中表现良好:使用少量训练图像识别植物昆虫(半翅目:Miridae)
IF 3.4 1区 农林科学 Q1 ENTOMOLOGY Pub Date : 2021-03-01 DOI: 10.1093/isd/ixab004
A. Knyshov, Samantha Hoang, C. Weirauch
Abstract Automated insect identification systems have been explored for more than two decades but have only recently started to take advantage of powerful and versatile convolutional neural networks (CNNs). While typical CNN applications still require large training image datasets with hundreds of images per taxon, pretrained CNNs recently have been shown to be highly accurate, while being trained on much smaller datasets. We here evaluate the performance of CNN-based machine learning approaches in identifying three curated species-level dorsal habitus datasets for Miridae, the plant bugs. Miridae are of economic importance, but species-level identifications are challenging and typically rely on information other than dorsal habitus (e.g., host plants, locality, genitalic structures). Each dataset contained 2–6 species and 126–246 images in total, with a mean of only 32 images per species for the most difficult dataset. We find that closely related species of plant bugs can be identified with 80–90% accuracy based on their dorsal habitus alone. The pretrained CNN performed 10–20% better than a taxon expert who had access to the same dorsal habitus images. We find that feature extraction protocols (selection and combination of blocks of CNN layers) impact identification accuracy much more than the classifying mechanism (support vector machine and deep neural network classifiers). While our network has much lower accuracy on photographs of live insects (62%), overall results confirm that a pretrained CNN can be straightforwardly adapted to collection-based images for a new taxonomic group and successfully extract relevant features to classify insect species.
摘要昆虫自动识别系统已经探索了20多年,但直到最近才开始利用强大而通用的卷积神经网络(CNNs)。虽然典型的CNN应用程序仍然需要每个分类单元有数百个图像的大型训练图像数据集,但最近已经证明,预训练的CNN在更小的数据集上训练时是高度准确的。在这里,我们评估了基于CNN的机器学习方法在识别三个精心策划的物种级植物昆虫Miridae的背侧栖息地数据集方面的性能。Miridae具有重要的经济意义,但物种层面的鉴定具有挑战性,通常依赖于背侧栖息地以外的信息(如寄主植物、位置、生殖器结构)。每个数据集包含2-6个物种和126-246张图像,最困难的数据集平均每个物种只有32张图像。我们发现,仅根据它们的背部习性,就可以识别出亲缘关系密切的植物昆虫物种,准确率为80-90%。经过预训练的CNN的表现比能够获得相同背栖息地图像的分类单元专家好10-20%。我们发现,特征提取协议(CNN层块的选择和组合)对识别精度的影响远大于分类机制(支持向量机和深度神经网络分类器)。虽然我们的网络对活昆虫照片的准确率要低得多(62%),但总体结果证实,预训练的CNN可以直接适应新分类群的基于采集的图像,并成功提取相关特征来对昆虫物种进行分类。
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引用次数: 9
Integrating UCE Phylogenomics With Traditional Taxonomy Reveals a Trove of New World Syscia Species (Formicidae: Dorylinae) 将UCE系统基因组学与传统分类学相结合揭示了一批新的世界系统物种(蚁科:Dorylinae)
IF 3.4 1区 农林科学 Q1 ENTOMOLOGY Pub Date : 2021-03-01 DOI: 10.1093/isd/ixab001
J. Longino, M. Branstetter
Abstract The ant genus Syscia Roger, 1861 is part of the cryptic ant fauna inhabiting leaf litter and rotten wood in the Asian and American tropics. It is a distinct clade within the Dorylinae, the subfamily from which army ants arose. Prior to this work, the genus comprised seven species, each known from a single or very few collections. Extensive collecting in Middle America revealed an unexpected and challenging diversity of morphological forms. Locally distinct forms could be identified at many sites, but assignment of specimens to species spanning multiple sites was problematic. To improve species delimitation, Ultra-Conserved Element (UCE) phylogenomic data were sequenced for all forms, both within and among sites, and a phylogeny was inferred. Informed by phylogeny, species delimitation was based on monophyly, absence of within-clade sympatry, and a subjective degree of morphological uniformity. UCE phylogenomic results for 130 specimens were complemented by analysis of mitochondrial COI (DNA barcode) data for an expanded taxon set. The resulting taxonomy augments the number of known species in the New World from 3 to 57. We describe and name 31 new species, and 23 species are assigned morphospecies codes pending improved specimen coverage. Queens may be fully alate or brachypterous, and there is a wide variety of intercaste female forms. Identification based on morphology alone is very difficult due to continuous character variation and high similarity of phylogenetically distant species. An identification aid is provided in the form of a set of distribution maps and standard views, with species ordered by size.
摘要Syscia Roger蚂蚁属,1861年,是栖息在亚洲和美洲热带落叶和腐烂木材中的神秘蚂蚁动物群的一部分。它是Dorylinae中一个独特的分支,Doryliae是军蚁的起源亚科。在这项工作之前,该属由七个物种组成,每个物种都是从单个或极少数的集合中已知的。在中美洲的广泛采集揭示了一种意想不到的、具有挑战性的形态多样性。在许多地点可以识别出局部不同的形态,但将标本分配到跨越多个地点的物种是有问题的。为了改进物种划界,对超保守元素(UCE)的系统发育数据进行了测序,包括位点内和位点间的所有形式,并推断了系统发育。根据系统发育学,物种划界是基于单系性、分支内同域的缺失和形态学一致性的主观程度。130个标本的UCE系统发育学结果通过对扩展分类单元集的线粒体COI(DNA条形码)数据的分析得到补充。由此产生的分类学将新大陆已知物种的数量从3个增加到57个。我们描述并命名了31个新物种,23个物种被指定为形态物种代码,等待标本覆盖率的提高。皇后可能是全翅型或短翅型,并且有各种各样的雌性形式。由于亲缘关系较远的物种具有连续的特征变异和高度相似性,单凭形态学鉴定是非常困难的。以一组分布图和标准视图的形式提供了识别辅助工具,并按大小排列了物种。
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引用次数: 6
Discovery of New Genera Challenges the Subtribal Classification of Tok-Tok Beetles (Coleoptera: Tenebrionidae: Sepidiini) 新属的发现挑战了托克甲虫的亚种分类(鞘翅目:Tenebrionidae:Sepidiini)
IF 3.4 1区 农林科学 Q1 ENTOMOLOGY Pub Date : 2021-03-01 DOI: 10.1093/isd/ixab006
Olivia M. Gearner, M. Kamiński, K. Kanda, Kali Swichtenberg, A. Smith
Abstract Sepidiini is a speciose tribe of desert-inhabiting darkling beetles, which contains a number of poorly defined taxonomic groups and is in need of revision at all taxonomic levels. In this study, two previously unrecognized lineages were discovered, based on morphological traits, among the extremely speciose genera Psammodes Kirby, 1819 (164 species and subspecies) and Ocnodes Fåhraeus, 1870 (144 species and subspecies), namely the Psammodes spinosus species-group and Ocnodes humeralis species-group. In order to test their phylogenetic placement, a phylogeny of the tribe was reconstructed based on analyses of DNA sequences from six nonoverlapping genetic loci (CAD, wg, COI JP, COI BC, COII, and 28S) using Bayesian and maximum likelihood inference methods. The aforementioned, morphologically defined, species-groups were recovered as distinct and well-supported lineages within Molurina + Phanerotomeina and are interpreted as independent genera, respectively, Tibiocnodes Gearner & Kamiński gen. nov. and Tuberocnodes Gearner & Kamiński gen. nov. A new species, Tuberocnodes synhimboides Gearner & Kamiński sp. nov., is also described. Furthermore, as the recovered phylogenetic placement of Tibiocnodes and Tuberocnodes undermines the monophyly of Molurina and Phanerotomeina, an analysis of the available diagnostic characters for those subtribes is also performed. As a consequence, Phanerotomeina is considered as a synonym of the newly redefined Molurina sens. nov. Finally, spectrograms of vibrations produced by substrate tapping of two Molurina species, Toktokkus vialis (Burchell, 1822) and T. synhimboides, are presented.
Sepidiini是生活在沙漠中的暗甲虫的一个种族,它包含了许多不明确的分类群,需要在所有分类水平上进行修订。本研究基于形态学特征,在物种分布极广的沙棘属(Psammodes Kirby, 1819)(164种和亚种)和凤尾竹属(Ocnodes famatraeus, 1870)(144种和亚种)中发现了两个以前未被认识的谱系,即沙棘属(Psammodes spinosus)和凤尾竹属(Ocnodes humeralis)。为了验证其系统发育位置,利用贝叶斯和极大似然推理方法,对6个非重叠基因座(CAD、wg、COI JP、COI BC、COII和28S)的DNA序列进行了分析,重建了该部落的系统发育。上述形态学上定义的种群在Molurina + Phanerotomeina中被恢复为独特且支持良好的分支,并被解释为独立的属,分别为Tibiocnodes Gearner & Kamiński gen. 11和Tuberocnodes Gearner & Kamiński gen. 11。一个新种,Tuberocnodes synhimboides Gearner & Kamiński sp. nov.也被描述。此外,由于恢复的Tibiocnodes和Tuberocnodes的系统发育位置破坏了Molurina和Phanerotomeina的单一性,因此也对这些亚部落的可用诊断特征进行了分析。因此,Phanerotomeina被认为是新重新定义的Molurina sen11的同义词。最后,介绍了两种Molurina物种toktokus vialis (Burchell, 1822)和T. synhimboides在触底时产生的振动谱图。
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引用次数: 5
Analysis of RNA-Seq, DNA Target Enrichment, and Sanger Nucleotide Sequence Data Resolves Deep Splits in the Phylogeny of Cuckoo Wasps (Hymenoptera: Chrysididae) 杜鹃胡蜂(膜翅目:胡蜂科)的RNA-Seq、DNA靶富集和Sanger核苷酸序列分析揭示了杜鹃胡蜂系统发育的深层分裂
IF 3.4 1区 农林科学 Q1 ENTOMOLOGY Pub Date : 2021-01-01 DOI: 10.1093/isd/ixaa018
Thomas Pauli, K. Meusemann, Sandra Kukowka, Manuela Sann, A. Donath, C. Mayer, J. Oeyen, Yolanda Ballesteros, Alexander Berg, E. V. Berghe, Hermes E Escalona, A. Guglielmino, M. Niehuis, M. Olmi, L. Podsiadlowski, C. Polidori, Jeroen de Rond, P. Rosa, T. Schmitt, F. Strumia, Mareike Wurdack, Shanlin Liu, Xin Zhou, B. Misof, R. Peters, O. Niehuis
Abstract The wasp family Chrysididae (cuckoo wasps, gold wasps) comprises exclusively parasitoid and kleptoparasitic species, many of which feature a stunning iridescent coloration and phenotypic adaptations to their parasitic life style. Previous attempts to infer phylogenetic relationships among the family's major lineages (subfamilies, tribes, genera) based on Sanger sequence data were insufficient to statistically resolve the monophyly and the phylogenetic position of the subfamily Amiseginae and the phylogenetic relationships among the tribes Allocoeliini, Chrysidini, Elampini, and Parnopini (Chrysidinae). Here, we present a phylogeny inferred from nucleotide sequence data of 492 nuclear single-copy genes (230,915 aligned amino acid sites) from 94 species of Chrysidoidea (representing Bethylidae, Chrysididae, Dryinidae, Plumariidae) and 45 outgroup species by combining RNA-seq and DNA target enrichment data. We find support for Amiseginae being more closely related to Cleptinae than to Chrysidinae. Furthermore, we find strong support for Allocoeliini being the sister lineage of all remaining Chrysidinae, whereas Elampini represent the sister lineage of Chrysidini and Parnopini. Our study corroborates results from a recent phylogenomic investigation, which revealed Chrysidoidea as likely paraphyletic. Graphical Abstract
摘要Chrysididae黄蜂科(杜鹃黄蜂、金黄蜂)仅包括寄生蜂和盗窃寄生物种,其中许多物种具有令人惊叹的彩虹色和对其寄生生活方式的表型适应。先前基于Sanger序列数据推断该家族主要谱系(亚科、部落、属)之间的系统发育关系的尝试不足以从统计上解决Amiseginae亚科的单系和系统发育位置,以及Allocoeliini、Chrysidini、Elampini和Parnopini(Chrysidinae)部落之间的系统发展关系。在这里,我们通过结合RNA-seq和DNA靶点富集数据,从94种Chrysididea(代表Bethylidae、Chrysidae、Dryinidae、Plumaridae)和45个外群物种的492个核单拷贝基因(230915个对齐的氨基酸位点)的核苷酸序列数据推断了一个系统发育。我们发现Amiseginae与Cleptinae的亲缘关系比Chrysidinae更为密切。此外,我们发现Allocoeliini是所有剩余Chrysidinae的姐妹谱系,而Elampini代表Chrysidini和Parnopini的姐妹谱系。我们的研究证实了最近一项系统发育学研究的结果,该研究揭示了Chrysididea可能是副系的。图形摘要
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引用次数: 8
The Future for a Prominent Taxonomy 一个杰出分类学的未来
IF 3.4 1区 农林科学 Q1 ENTOMOLOGY Pub Date : 2021-01-01 DOI: 10.1093/isd/ixaa020
C. Hamilton, F. W. Shockley, R. Simmons, Aaron J. Smith, J. Ware, J. Zaspel
1Department of Entomology, Plant Pathology & Nematology, University of Idaho, Moscow, ID, USA, 2Department of Entomology, National Museum of Natural History, Smithsonian Institution, Washington, DC, USA, 3Department of Biology, University of North Dakota, Grand Forks, ND, USA, 4Department of Entomology, Purdue University, West Lafayette, IN, USA, 5Division of Invertebrate Zoology, American Museum of Natural History, New York, NY, USA, 6Department of Zoology, Milwaukee Public Museum, Milwaukee, WI, USA, and 7Corresponding author, e-mail: hamiltonlab@uidaho.edu
1美国爱达荷州莫斯科大学昆虫学、植物病理学与线虫学系;2美国华盛顿特区史密森学会国家自然历史博物馆昆虫学系;3美国北达科他州大福克斯大学生物学系;4美国普渡大学西拉斐特分校昆虫学系;5美国纽约州美国自然历史博物馆无脊椎动物学系;6密尔沃基密尔沃基公共博物馆动物学系;通讯作者,e-mail: hamiltonlab@uidaho.edu
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引用次数: 6
期刊
Insect Systematics and Diversity
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