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Corrigendum to “Phylogenetic position of Setopus (Gastrotricha, Paucitubulatina) among planktonic Gastrotricha, with the description of a new species” [Zool. Anz. (2026) 248-261] “浮游天头虫中Setopus (Gastrotricha, Paucitubulatina)的系统发育位置,以及一个新种的描述”[Zool.]的更正。澳新银行。(2026) 248 - 261年)
IF 1.5 3区 生物学 Q2 ZOOLOGY Pub Date : 2026-03-01 Epub Date: 2026-02-06 DOI: 10.1016/j.jcz.2026.02.004
Francesco Saponi , Agata Cesaretti , Anush Kosakyan , Valentina Serra , M. Antonio Todaro
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引用次数: 0
The digestive system of the Arumatia dubia (Phasmatodea: Diapheromeridae): a morpho-histology characterization 沙豆荚的消化系统(沙豆荚亚目:沙豆荚科):形态组织学特征
IF 1.5 3区 生物学 Q2 ZOOLOGY Pub Date : 2026-03-01 Epub Date: 2025-12-12 DOI: 10.1016/j.jcz.2025.12.004
Giovana Gomes Ferreira Matos , Matheus Froes Caetano de Castro , Elton Luiz Scudeler , Satiko Nanya , Bruno Vinícius Daquila , Helio Conte
Stick insects are herbivorous animals found in tropical, subtropical or temperate regions worldwide. Their digestive system is typically tubular, divided into regions with subregions that can vary among species. Arumatia dubia (Phasmatodea: Diapheromeridae) is a species that has undergone several taxonomic changes based on recent studies of external morphology, but morpho-histological analyses of internal organs, such as the digestive system, can contribute with identification to these and other Phasmatodea species. This study aimed to describe the digestive system of third instar A. dubia nymphs, using histochemical techniques and scanning electron microscopy. The digestive system of A. dubia consists of three regions and their subregions: foregut (esophagus and crop), midgut (anterior and posterior), and hindgut (ileum and rectum). The foregut has a simple epithelium covered by the tunica intima, and externally, surrounded by muscle fibers. The midgut features columnar cells with a brush border and regenerative cells. Malpighian tubules originate in the ileum (hindgut) and have an excretory function. This study provides detailed morpho-histological data on third instar A. dubia gut, contributing important information about the morphology and histology of the digestive system of this species.
竹节虫是一种食草动物,分布在世界各地的热带、亚热带或温带地区。它们的消化系统通常是管状的,分为不同种类的不同区域。根据近年来的外部形态学研究,棕豆属(Arumatia dubia, Phasmatodea: Diapheromeridae)是一个发生了几次分类变化的物种,但内部器官(如消化系统)的形态组织学分析可以帮助鉴定这些物种和其他Phasmatodea物种。本研究旨在利用组织化学技术和扫描电镜技术对三龄杜鹃若虫的消化系统进行描述。dubia的消化系统由三个区域及其亚区组成:前肠(食道和嗉囊)、中肠(前肠和后肠)和后肠(回肠和直肠)。前肠有单层上皮,被内膜覆盖,外肠被肌纤维包围。中肠具有刷状边缘的柱状细胞和再生细胞。马氏小管起源于回肠(后肠),具有排泄功能。本研究提供了三龄杜比亚拟南牛肠的详细形态组织学数据,为该物种消化系统的形态和组织学研究提供了重要信息。
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引用次数: 0
Revisiting the Brazilian giant cockroaches of the genus Bionoblatta (Blattodea: Blaberidae): taxonomic revision with description of Bionoblatta marcelli sp. nov. from Serra do Caraça, a mountain range in Minas Gerais State 重访巴西大蠊属蟑螂(小蠊总科:小蠊科):分类修订及来自米纳斯吉拉斯州塞拉多卡拉帕拉山脉的Bionoblatta marcelli sp. 11 .的描述
IF 1.5 3区 生物学 Q2 ZOOLOGY Pub Date : 2026-03-01 Epub Date: 2025-12-11 DOI: 10.1016/j.jcz.2025.12.003
Leonardo Polizeli , Ângelo Parise Pinto
Bionoblatta Rehn, 1940 is allocated in the poorly known and intriguing Brachycolini, a Neotropical tribe with eight genera and 44 blaberid species. This outstanding genus of cockroaches encompasses mostly montane and brachypterous species, all endemic to Brazil. Nevertheless, they are moderate sized and noticeable species due to coloration, pronotum shape, and callosities on the abdomen, all taxonomic knowledge is based on a small number of males. In this study, we revisit the taxonomy of Bionoblatta, based on a comparative morphological analysis, providing a comprehensive overview of the genus. Our results support Bionoblatta as a taxonomically distinguishable genus comprising six species with a distribution range exclusively in southeastern Brazil. Bionoblatta marcelli sp. nov. is herein introduced (holotype male deposited in DZUP: Brazil, Minas Gerais State, Catas Altas) based on males, females, and nymphs. A diagnosis, notes on morphology and natural history, photographs of type and non-type specimens, a distribution map, and an identification key are provided for the species. We hope this study inspires further investigations into this fascinating group of cockroaches, deepening our understanding of their evolutionary history. Future research could explore their phylogeny and biogeography, habitat and social behavior, as well as intra- and interspecific morphological variations.
Bionoblatta Rehn, 1940被分配到鲜为人知但有趣的Brachycolini,这是一个新热带部落,有8属和44种blaberid。这个杰出的蟑螂属主要包括山地和短翅类,都是巴西特有的。然而,它们是中等大小和明显的物种,由于颜色,前角形状和腹部的胼胝,所有的分类学知识都是基于少数雄性。在这项研究中,我们在比较形态学分析的基础上重新审视了Bionoblatta的分类,提供了该属的全面概述。我们的结果支持Bionoblatta是一个分类学上可区分的属,由6种组成,分布范围仅在巴西东南部。本文介绍了Bionoblatta marcelli sp. 11(在DZUP: Brazil, Minas Gerais State, Catas Altas)的雄性、雌性和若虫的全型雄性。提供了该物种的诊断、形态学和自然史注释、类型和非类型标本的照片、分布图和鉴定钥匙。我们希望这项研究能激发对这一迷人的蟑螂群体的进一步调查,加深我们对它们进化史的理解。未来的研究将进一步探讨它们的系统发育和生物地理、生境和社会行为以及种内和种间形态变化。
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引用次数: 0
Anatomy and histology of the ovaries and male reproductive tract of Atopozelus opsimus (Heteroptera: Reduviidae) 圆尾蝽卵巢及雄性生殖道的解剖与组织学研究(异翅目:圆尾蝽科)
IF 1.5 3区 生物学 Q2 ZOOLOGY Pub Date : 2026-03-01 Epub Date: 2026-02-13 DOI: 10.1016/j.jcz.2026.02.009
Bruna Silva Lisboa , José Eduardo Serrão , Jamile Fernanda Silva Cossolin , Germano Leão Demolin Leite , José Cola Zanuncio , Sebastião Lourenço de Assis Júnior , Pedro Guilherme Lemes
Atopozelus opsimus Elkins, 1954 (Heteroptera: Reduviidae), native from Brazil, prey forest pests but its morphology needs further studies. The aim was to describe the anatomy and histology of the female ovaries and the male reproductive tract of A. opsimus, with emphasis on gamete formation. The organs were dissected and analyzed with light microscopy. The females have a pair of meroistic-telotrophic ovaries with seven ovarioles with oocytes in different developmental stages, two lateral oviducts, a common oviduct, two yellow spermathecae, and a genital chamber. The male reproductive tract consists of a pair of testes with seven follicles each lined by a transparent peritoneal sheath and continuously spermatozoa production; two deferent ducts with yellow seminal vesicles; a pair of ectadenial accessory glands; and an ejaculatory duct. The ovaries and male reproductive tract indicate characteristics of A. opsimus similar to a common ancestor of Heteroptera.
褐褐褐蝽,1954(异翅目:褐褐褐蝽科),原产于巴西,捕食森林害虫,形态学有待进一步研究。目的是描述的解剖和组织学的雌性卵巢和雄性生殖道的沙鼠,重点是配子的形成。解剖各脏器,光镜下分析。雌性有一对分体发育的远端营养卵巢,其中7个卵巢含有不同发育阶段的卵母细胞,2条侧输卵管,1条普通输卵管,2个黄色精囊和1个生殖室。男性生殖道由一对睾丸和七个卵泡组成,每个卵泡由透明的腹膜鞘内衬,并不断产生精子;两个不同的管具黄色精囊;一对腺外副腺;还有射精管。其卵巢和雄性生殖道特征与异翅目的共同祖先相似。
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引用次数: 0
Morphometric and genetic variation of six soldierfish species (genus Myripristis, family: Holocentridae) harvested in Aceh Besar waters, Indonesia 印度尼西亚亚齐贝萨尔水域收获的6种士兵鱼(肉芽鱼属,全新心鱼科)的形态计量学和遗传变异
IF 1.5 3区 生物学 Q2 ZOOLOGY Pub Date : 2026-03-01 Epub Date: 2026-01-08 DOI: 10.1016/j.jcz.2026.01.004
Nadya Tirta , Essy Harnelly , Rania Feranita Fachri , Putri Khairani Amalia Siregar , Nanda Muhammad Razi , Nanda Ulfa Khaira , Mutia Ramadhaniaty , Sri Riska Rahayu , Nurlita Putri Anggraini , Raissha Amanda Siregar , Adrian Damora , Nur Fadli
Soldierfish, a group of commercially important coral reef fishes from the genus Myripristis, are commonly caught by local fishermen in the waters of Aceh Besar, Indonesia. Despite their economic importance, limited information exists regarding their bioecological characteristics, particularly genetic and morphometric traits. This study aimed to investigate morphological and genetic variation among six Myripristis species: M. adusta, M. berndti, M. kuntee, M. murdjan, M. violacea, and M. vittata harvested in Aceh Besar waters, Indonesia. The research was conducted from August 2024 to March 2025. Fish samples were collected from five landing sites in Aceh Besar District, namely Pulo Aceh, Ujung Pancu, Lam Awe, Lhokseudu, and Lampulo. A total of 360 specimens were measured for morphometric analysis, with 60 individuals representing each species. Additionally, five individuals from each species were randomly selected for DNA analysis based on the cytochrome oxidase subunit I (COI) gene. Data were analyzed using ANOVA and Discriminant Function Analysis (DFA). A Mantel test was performed to assess the correlation between genetic and morphometric distance matrices. Morphological analysis identified head length (HL) and eye diameter (ED) as key discriminating traits among species. Cross-validation of the DFA revealed a high degree of similarity between M. adusta and M. violacea. Genetic analysis validated the separation into six distinct species. The smallest genetic distance was observed between M. adusta and M. violacea (4.2 %), while the greatest distance was between M. murdjan and M. kuntee (8.5 %). A total of 23 haplotypes were identified across six species, the highest number of haplotypes in M. kuntee and M. murdjan each exhibited five haplotypes. Correlation analysis revealed no significant relationship between morphometric and genetic variation (r = 0.173; p > 0.05). These findings indicate that genetic approaches provide an effective tool for validating species-level taxonomic status within the genus Myripristis.
士兵鱼是一种具有重要商业价值的肉豆芽属珊瑚礁鱼类,通常在印度尼西亚亚齐贝萨尔水域被当地渔民捕获。尽管它们具有重要的经济意义,但关于它们的生物生态特征,特别是遗传和形态计量特征的信息有限。研究了印度尼西亚亚齐Besar水域6种肉豆科动物M. adusta、M. berndti、M. kuntee、M. murdjan、M. violacea和M. vittata的形态和遗传变异。该研究于2024年8月至2025年3月进行。从亚齐Besar区的五个着陆点采集了鱼类样本,即Pulo Aceh、Ujung Pancu、Lam Awe、Lhokseudu和Lampulo。共测量了360个标本进行形态计量学分析,每个物种60个个体。此外,每个物种随机选择5个个体进行细胞色素氧化酶亚基I (COI)基因的DNA分析。数据分析采用方差分析和判别函数分析(DFA)。进行Mantel测试以评估遗传和形态计量距离矩阵之间的相关性。形态学分析表明,头长和眼直径是主要的物种区分特征。交叉验证的DFA结果显示,紫百合和紫百合具有高度的相似性。遗传分析证实了它们可以分离成6个不同的物种。adusta与violacea的遗传距离最小(4.2%),murdjan与kuntee的遗传距离最大(8.5%)。6个物种共鉴定出23个单倍型,其中M. kuntee和M. murdjan的单倍型最多,各有5个单倍型。相关分析显示,形态计量学与遗传变异无显著相关(r = 0.173; p > 0.05)。这些发现表明,遗传方法为验证肉豆蔻属的种级分类地位提供了有效的工具。
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引用次数: 0
Comparative mitogenomic analysis of family Xenophoridae (Mollusca, Stromboidea) and its implication for phylogeny 软体动物科异掌蝇科的比较有丝分裂基因组学分析及其系统发育意义
IF 1.5 3区 生物学 Q2 ZOOLOGY Pub Date : 2026-03-01 Epub Date: 2026-01-12 DOI: 10.1016/j.jcz.2026.01.008
Fengping Li , Aimin Wang , Chunsheng Liu , Yu Sun , Zhifeng Gu , Yi Yang
The family Xenophoridae (carrier shells), comprising marine gastropods distinguished by their unique shell-attaching behavior, has attracted scientific interest since the 19th century. Despite this attention, its phylogenetic position and internal intergeneric relationships remain contentious. This study sequenced complete mitochondrial genomes of four xenophorid species—Stellaria solaris, Aspidophoreas chinensis, Xenophora conchyliophora, and Xenophora cerea—to resolve the phylogeny and systematic placement of this family. Comparative analyses revealed high mitochondrial genome similarity among these species in structure, size, gene order, and nucleotide composition. The mitochondrial genomes exhibited significant nucleotide variation among protein-coding genes. Selection pressure analyses indicate purifying selection across all PCGs, with atp8 showing the weakest evolutionary constraint. This suggests that atp8 may be subject to stronger selective pressures, potentially reflecting substantial energy demands associated with xenophorids' unique attachment ecology. Phylogenetic reconstruction supported two major clades within Stromboidea: Clade I included Strombidae + (Rostellariidae + Seraphsidae) and Clade II comprised Xenophoridae + (Struthiolariidae + Aporrhaidae). Internally, Xenophoridae exhibited a strongly supported clade (Onustus + Stellaria) + Aspidophoreas that aligned with morphological classifications and features with reduced/absent object attachment, clearly separating it from Xenophora. Notably, Xenophora japonica did not form a monophyletic group with the sister taxa X. conchyliophora and X. cerea. Morphological and molecular evidence collectively indicate that the current taxonomy of Xenophora requires revision.
载壳科由海洋腹足类动物组成,以其独特的附壳行为而闻名,自19世纪以来就引起了科学界的兴趣。尽管如此,它的系统发育位置和内部的属间关系仍然存在争议。本研究对4种异种昆虫——solaris stellaria, Aspidophoreas chinensis, Xenophora conchyliophora和Xenophora cerea的线粒体全基因组进行了测序,以确定该科的系统发育和系统定位。比较分析显示,这些物种在结构、大小、基因顺序和核苷酸组成方面具有高度的线粒体基因组相似性。线粒体基因组在蛋白质编码基因之间表现出显著的核苷酸差异。选择压力分析表明,所有PCGs都存在纯化选择,其中atp8表现出最弱的进化约束。这表明atp8可能受到更强的选择压力,潜在地反映了与异种昆虫独特的附着生态相关的大量能量需求。系统发育重建支持两个主要分支:分支I包括Strombidae + (Rostellariidae + Seraphsidae),分支II包括Xenophoridae + (Struthiolariidae + aphaidae)。在内部,Xenophoridae表现出一个强有力的支系(onusus + Stellaria) + Aspidophoreas,该支系与形态分类和减少/不存在物体附着的特征一致,明显将其与Xenophora区分开来。值得注意的是,日本异种没有与姐妹类群X. conchyliophora和X. cerea形成一个单系群。形态学和分子证据共同表明,目前的外生目分类需要修订。
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引用次数: 0
Proposed terminology in describing both internal and external male genitalia in Diapheromerini with emphasis on Pseudosermyle Caudell, 1903 (Insecta: Phasmatodea) 拟用术语描述双翅虫内、外雄性生殖器,并着重于伪子叶考德尔,1903(昆虫目:双翅虫亚目)
IF 1.5 3区 生物学 Q2 ZOOLOGY Pub Date : 2026-03-01 Epub Date: 2026-01-09 DOI: 10.1016/j.jcz.2026.01.003
Ulises López-Mora , Thies Henning Büscher , Helga Ochoterena-Booth , Ismael A. Hinojosa-Díaz
Stick insect systematics has been traditionally based on external morphology, which was believed to be sufficiently informative. However, molecular data repeatedly show convergence and underestimation of species diversity due, in part, to the superficiality of morphological diagnoses based on external characters. In contrast, the internal male genitalia have proved to be useful for assessing species diversity, but remain poorly studied because of their complexity and variation. Nevertheless, interest in internal male genitalia has recently increased as they provide an important number of additional characters useful to identify species for which the traditional sets of characters are insufficient. To date, the genitalia of 105 species from 55 genera belonging to 13 families are known, but comparative approaches across taxa are difficult due to different terminology. Our aim is to propose a nomenclature for the genitalia of Diapheromerini that can be used for standardized descriptions as well as for the postulation of homology assessments. We focused on Pseudosermyle, the most diverse genus in North America, which exhibits many different shapes: phasmid appearance and genitalia. We reviewed the literature on internal male genitalia in Phasmatodea and examined it, as well as the external male genitalia in different Diapheromerini species. This is the first attempt to use these structures to identify orthologues as potential homologues within Phasmatodea. We hope that our study will improve communication and promote systematic analysis of internal and external male genitalia, at least in Diapheromerini.
竹节虫的系统分类传统上是基于外部形态,这被认为是足够的信息。然而,分子数据反复显示物种多样性的收敛和低估,部分原因是基于外部特征的形态学诊断的肤浅。相比之下,男性内部生殖器已被证明是评估物种多样性的有用工具,但由于其复杂性和多样性,研究仍然很少。然而,对男性内部生殖器的兴趣最近有所增加,因为它们提供了大量有用的额外字符,用于识别传统字符集不足的物种。迄今为止,已知13科55属105种的生殖器官,但由于术语不同,难以进行跨分类群的比较。我们的目的是提出一种可用于标准化描述以及同源性评估假设的双翅鸟生殖器命名法。我们关注的是北美最多样化的属Pseudosermyle,它表现出许多不同的形状:phasmid外观和生殖器。本文综述了有关Phasmatodea内生殖器的文献,并对不同种类的Diapheromerini外生殖器进行了研究。这是第一次尝试使用这些结构来识别在Phasmatodea中潜在的同源物。我们希望我们的研究能够促进交流,促进对男性内外生殖器的系统分析,至少在Diapheromerini中。
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引用次数: 0
Revision of the species composition in the genus Siphonolaimus de Man, 1893 (Nematoda, Chromadoria, Monhysterida) together with description of two new and one known species 修正Man Siphonolaimus属的物种组成(nematda, Chromadoria, Monhysterida),并附2个新种和1个已知种的描述
IF 1.5 3区 生物学 Q2 ZOOLOGY Pub Date : 2026-03-01 Epub Date: 2026-02-10 DOI: 10.1016/j.jcz.2026.02.007
Alexei V. Tchesunov , Sergei A. Subbotin , Vladimir V. Yushin
A review of the genus Siphonolaimus together with descriptions and a redescription of two new and one known species are given. New genus diagnosis is emended. Main morphometric and morphological characters differentiating Siphonolaimus species are compiled in the table that can ease species identification. Full redescription of Siphonolaimus ewensis Warwick and Platt, 1973 is given; the species has been discovered initially from a sandy beach of Scotland and now found in upper sublittoral sandy sediment of the White Sea, North Russia. Two new Siphonolaimus species are found in the same locality at 30 m depth in silty sediment in the Sea of Japan. Siphonolaimus gracilis sp. n. is characterized with very short anterior and subcephalic setae and combination of other morphometric values. Siphonolaimus corpulentus sp. n. is close to S. gracilis sp. n. and differs with stout body and wider amphideal fovea. Two new species are featured by high variability of submedian outer labial setae length; females of all three species studied show high variability in body length and related body shape indices due to frequent loss of tail or hind body part. New species were characterized using sequences of partial 18S rRNA, 28S, ITS rRNA and COI genes. Phylogenetic relationships of the genus Siphonolaimus with other Siphonolaimidae and related taxa are presented and discussed. Phylogenetic analysis of the D2-D3 of 28S rRNA sequences placed family Siphonolaimoidae; within the crown of the family Linhomoeidae. 18S rRNA data do not support position of Astomonema within Siphonolaimidae but places the genus in the family Linhomoeidae. Desmolaimus magnus is considered here based on morphology and molecular study as a representative of the genus Eleutherolaimus: Eleutherolaimus magnus comb. n.
本文对水蚤属进行了综述,并对2个新种和1个已知种进行了描述和重新描述。修订了新属诊断。表中列出了虹吸蝇种类的主要形态特征和形态特征,便于物种鉴别。完整的重新描述了Siphonolaimus ewensis Warwick和Platt, 1973;该物种最初是在苏格兰的一个沙滩上发现的,现在在俄罗斯北部白海的上层次沿海沙质沉积物中被发现。在日本海粉砂质沉积物30米深的同一地点发现了两个新的虹膜虫种。薄壁虹吸蝇的特点是具有非常短的前、头下刚毛和其他形态计量值的组合。浓密的虹吸蝇(Siphonolaimus corpulentus sp.)与凤尾蝇(s.a gracilis sp.)接近,但不同之处是身体粗壮,中间凹较宽。两个新种的特征是唇外刚毛长度的高度变异;这三个物种的雌性由于经常失去尾巴或身体后部分,在体长和相关体形指标上表现出很高的变异性。利用18S rRNA、28S、ITS rRNA和COI基因的部分序列对新种进行了鉴定。本文介绍并讨论了虹吸蝇属与其他虹吸蝇科及相关分类群的系统发育关系。虹吸蝇科28S rRNA序列D2-D3的系统发育分析18S rRNA数据不支持Astomonema在Siphonolaimidae中的位置,但将该属置于linhomeidae科。根据形态学和分子学的研究,我们认为大刺柳是刺柳属的代表:刺柳梳。n。
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引用次数: 0
A three-species problem: a further example of homeomorphy in freshwater Ostracoda (Crustacea), with the description of a new genus and new species from a Brazilian river 三种问题:淡水介形类(甲壳类)同形性的进一步例子,描述了来自巴西河流的新属和新种
IF 1.5 3区 生物学 Q2 ZOOLOGY Pub Date : 2026-03-01 Epub Date: 2025-11-02 DOI: 10.1016/j.jcz.2025.10.009
Kevin Galvão Correia , Nadiny Martins Almeida , Koen Martens , Janet Higuti
Homeomorphy is common in the valves and carapaces of Ostracoda. One of the best-known examples in non-marine ostracods is the morphological similarity in the extreme armature of anterior and posterior spines on the left valve in both Strandesia bicornuta Hartmann, 1964 from India and in Rudjakoviella prolongata (Triebel, 1962) Malz, 1973 from Margarita Island (West Indies). Here, we describe a third representative with such armature, Pseudocypricercus bonito gen. nov. spec. nov. from Brazil. These new taxa belong to the Cypricercinae McKenzie, 1971, which is characterized by the presence of the Triebel's loop in the middle of the attachment of the caudal ramus. The main characteristics of Pseudocypricercus gen. nov. are the shape and length of the β seta on the mandibular palp, which is slender and elongated, compared to other genera of this subfamily; the absence of seta d on the first thoracopod, and the absence of seta d2 on the second thoracopod, amongst other features. Pseudocypricercus bonito gen. nov. spec. nov. also has large anterior and posterior spines on the left valve as well as a posterior spine and the anterior blunt protrusion on the right valve. In addition, both the mandibular coxa and the third endite of the maxillula have remarkable large fist-like setae, while the male right prehensive palp has a perpendicularly positioned second segment. The similar armature on left valve and right valve in this taxon makes the homeomorphy known from R. prolongata and S. bicornuta into a “three-species problem”.
同胚性在介形虫的瓣和甲壳中是常见的。非海洋介形虫中最著名的例子之一是,1964年来自印度的Strandesia bicornuta Hartmann和1973年来自西印度玛格丽塔岛(Margarita Island)的Rudjakoviella prolongata (Triebel, 1962)的Malz的左瓣上前后棘的极端椎体的形态相似性。在这里,我们描述了具有这种电枢的第三个代表,来自巴西的pseudoypricercus bonito gen. 11 . spec11 . 11。这些新分类群属于Cypricercinae McKenzie, 1971,其特征是在尾支附属物的中间存在triiebel 's环。与该亚科的其他属相比,其主要特征是下颌骨上β座的形状和长度较细长;第一胸足缺乏d节,第二胸足缺乏d2节,以及其他特征。11 .伪棘尾蚴在左瓣上也有大的前后棘,在右瓣上也有后棘和前钝突。此外,下颌髋部和上颌骨第三端均有明显的大拳头状刚毛,而雄性右侧全掌部有垂直位置的第二节。该分类群的左瓣和右瓣上相似的枢枢使长叶蒿和双角叶蒿的同源性成为一个“三种问题”。
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引用次数: 0
Morphological characterization and distribution of antennal sensilla on Thyrinteina arnobia (Stoll, 1782) (Lepidoptera: Geometridae) 鳞翅目:尺蛾科(Thyrinteina arnobia, Stoll, 1782)触角感受器的形态特征及分布
IF 1.5 3区 生物学 Q2 ZOOLOGY Pub Date : 2026-03-01 Epub Date: 2026-01-14 DOI: 10.1016/j.jcz.2026.01.007
Elmadã Pereira Gonzaga , Camila Alexandre Cavalcante de Almeida , Lucas Teles Bezerra , Maclauds Nathan Feliciano Salmento , Fernanda da Silva Gonçalves , Henrique Fonseca Goulart , Antônio Euzébio Goulart Santana , Johnnatan Duarte de Freitas , Mariana Oliveira Breda
The development of behavioral control studies for Thyrinteina arnobia (Stoll, 1782) (Lepidoptera: Geometridae) involves the elucidation of the chemical ecology, which begins with the observation of the calling sexual behavior through the exposure of females abdominal gland. After the pheromone release, the perception of chemical substances is carried out in the sensilla of male antennae, whose characterization can be carried out using scanning electron microscopy (SEM). Thus, this research aimed to ultrastructurally characterize the antennal sensilla of males and females of T. arnobia. For the characterization of the structural morphology of the sensilla in the antennae of females and males of T. arnobia, scanning electron microscopy was used. In total, six types of sensilla were identified, and characterized in trichoid, squamiform, caetic, basiconic, celoconic and styloconic. The antennae of female and male T. arnobia have different structural morphology of sensilla. The trichoid sensilla are the most abundant, mainly in the antennae of males, indicating that they can respond to stimuli from chemical substances, since these sensilla are recognized for their sex pheromone receptor function. The present study allows a better understanding of the sexual dimorphism between female and male T. arnobia.
摘要(Stoll, 1782)鳞翅目:尺蛾科(鳞翅目:尺蛾科)的行为控制研究主要从化学生态学的阐述入手,通过对雌性腹腺的接触观察其鸣叫性行为。信息素释放后,对化学物质的感知在雄触角的感受器中进行,其特征可以用扫描电子显微镜(SEM)进行表征。因此,本研究旨在对雄性和雌性的触角感受器进行超微结构表征。利用扫描电子显微镜对雌雄野蝽触角中感受器的结构形态进行了表征。共鉴定出6种类型的感受器,特征为毛状、鳞状、针状、基状、柱状和柱状。雌虫和雄虫触角具有不同的感受器结构形态。毛状感受器数量最多,主要存在于雄性的触角中,这表明毛状感受器可以对化学物质的刺激做出反应,因为毛状感受器具有性信息素受体功能。本研究使我们能够更好地理解雄性和雌性的两性二态性。
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Zoologischer Anzeiger
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