Dongming Wang, Christopher H. Dietrich, Yanghui Cao, Qingquan Xue, Yalin Zhang
{"title":"Whole-genome phylogenomics provides new insights into the phylogeny and evolution of Macropsini (Hemiptera: Cicadellidae)","authors":"Dongming Wang, Christopher H. Dietrich, Yanghui Cao, Qingquan Xue, Yalin Zhang","doi":"10.1111/syen.12687","DOIUrl":"10.1111/syen.12687","url":null,"abstract":"<p>The macropsine leafhoppers are a morphologically unique group of arboreal leafhoppers. However, the taxonomic status of this group has been controversial, and their evolutionary history is poorly understood. In this study, we present the first phylogenomic analyses of this group using both concatenation and coalescent methods, based on 267–1100 universal single-copy orthologues (USCOs) from 30 species, representing 14 of the 19 extant genera and subgenera. Phylogenomic analyses employing different analytical strategies yielded topologies in which many relationships were congruent but some were unstable across analyses. Our results do not group Macropsini with other included representatives of Eurymelinae, and suggest that the previously recognized genera <i>Macropsis</i> Lewis, <i>Pedionis</i> Hamilton, <i>Pediopsis</i> Burmeister and <i>Pediopsoides</i> Matsumura are not monophyletic. Based on these findings, we propose the following taxonomic revisions: <i>Macropsidius</i> Ribaut syn. n. is synonymized with <i>Macropsis</i> Lewis; the subgenus <i>Pediopsis</i> (<i>Thyia</i>) Kirkaldy is elevated to genus rank as <i>Thyia</i> stat. nov. Fossil-calibrated divergence-time analyses based on the optimal topology indicate that the crown group of Macropsini originated approximately 112.59 million years ago in the Lower Cretaceous. Most extant genera appeared from the Upper Cretaceous to the early Miocene. Our study provides novel insights into the phylogenetic framework of Macropsini, offering a foundation for future research on the systematics and evolution of this significant arboreal leafhopper lineage.</p>","PeriodicalId":22126,"journal":{"name":"Systematic Entomology","volume":"50 4","pages":"876-885"},"PeriodicalIF":4.9,"publicationDate":"2025-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145022314","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Philip S. Ward, Brian L. Fisher, Jennifer J. Wernegreen, Bonnie B. Blaimer
{"title":"Evolutionary history, novel lineages and symbiont coevolution in the ant tribe Camponotini (Hymenoptera: Formicidae)","authors":"Philip S. Ward, Brian L. Fisher, Jennifer J. Wernegreen, Bonnie B. Blaimer","doi":"10.1111/syen.12678","DOIUrl":"10.1111/syen.12678","url":null,"abstract":"<p>Many insect groups have acquired obligate microbial symbionts, and the resulting associations can have important ecological and evolutionary consequences. A notable example among ants is the species-rich tribe Camponotini, whose members derive nutritional benefits from a vertically inherited bacterial endosymbiont, <i>Blochmannia</i>. We generate ultraconserved element (UCE) phylogenomic data for 220 ingroup and 5 outgroup taxa to reconstruct a detailed evolutionary history of the Camponotini, including the inference of divergence times and dispersal events. Under multiple modes of analysis, including both concatenation and species-tree approaches, we recover a well-supported backbone phylogeny comprising eight lineages: three large genera (<i>Camponotus</i>, <i>Colobopsis</i>, <i>Polyrhachis</i>) and several smaller genera or clusters of genera. Three novel lineages are uncovered that cannot be placed in any existing genus: <i>Lathidris</i> <b>gen. n</b>., from the mountains of Mesoamerica; <i>Retalimyrma</i> <b>gen. n</b>., from the Indian Himalayas; and <i>Uwari</i> <b>gen. n</b>., from eastern Asia. The species in these new genera were described and placed erroneously in <i>Camponotus</i>. The tribe Camponotini is estimated to have a crown origin in the Eocene (median age 38.4 Ma), with successively younger crown ages for <i>Colobopsis</i> (22.5 Ma), <i>Camponotus</i> (18.6 Ma) and <i>Polyrhachis</i> (18.5 Ma). We infer an Australasian or Indomalayan origin for the tribe, with multiple dispersal events to the Afrotropics, Palearctic region, and New World. Phylogenetic analysis of selected <i>Blochmannia</i> genes from a subset of 97 camponotine taxa yields results that are largely congruent with the ant host phylogeny, at least for well-supported nodes, but we find evidence that <i>Blochmannia</i> from some old lineages—especially <i>Lathidris</i>—may have discordant histories, suggesting possible lability of this symbiosis in the early evolution of camponotine ants.</p>","PeriodicalId":22126,"journal":{"name":"Systematic Entomology","volume":"50 3","pages":"646-676"},"PeriodicalIF":4.9,"publicationDate":"2025-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/syen.12678","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144197601","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ruyue Zhang, Liming Wang, Shuo Tian, Yang Liu, Yunlan Jiang, Xiaofan Zhou, Ding Yang, Xingyue Liu, Yuyu Wang
{"title":"Inconsistent performance of multi-type genomic data in phylogenomics of neuropteridan insects, with solutions toward conflicting results","authors":"Ruyue Zhang, Liming Wang, Shuo Tian, Yang Liu, Yunlan Jiang, Xiaofan Zhou, Ding Yang, Xingyue Liu, Yuyu Wang","doi":"10.1111/syen.12684","DOIUrl":"10.1111/syen.12684","url":null,"abstract":"<p>Reconstructing the tree of life is facing challenges in inferring accurate and robust phylogeny based on large data in the genomic era. Currently, universal single-copy orthologs (USCOs), ultraconserved elements (UCEs) and mitochondrial genomes (mitogenomes) are widely used to reconstruct phylogeny. In this study, the higher-level phylogeny of lacewings and allied orders (Neuropterida) is reconstructed based on USCOs, UCEs and mitogenomes assembled from 42 newly sequenced low-coverage genomes (above 32.80X), representing all orders and all families except Rhachiberothidae, under various types of data filtering, model selection and strategies of tree reconstruction. Using relatively conservative criteria, we demonstrate that the topology based on amino acid matrices of the USCOs filtered by multifactorial strategies under the site heterogeneity model (LG + PMSF (C20)) is the most robust. The average bootstrap support (ABS) values, an important criterion in gene filtering, exhibit large variation among different repetitions. Applying fossil calibrations at deeper nodes close to the root of the phylogeny is demonstrated to facilitate more accurate estimation of evolutionary timescales by comparing three different calibration schemes (deeper nodes, shallower nodes and a combination of both). These results highlight the complexity of genomic data and offer an integrative solution to overcome systematic error in phylogenomic inference.</p>","PeriodicalId":22126,"journal":{"name":"Systematic Entomology","volume":"50 4","pages":"855-875"},"PeriodicalIF":4.9,"publicationDate":"2025-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145022358","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Xinxing Luo, Wenbo Deng, Wei Han, Nathan Lo, Jinzhuo Cai, Yanli Che, Zongqing Wang
{"title":"Revision of the cockroach subfamily Blattinae based on morphological and molecular analyses","authors":"Xinxing Luo, Wenbo Deng, Wei Han, Nathan Lo, Jinzhuo Cai, Yanli Che, Zongqing Wang","doi":"10.1111/syen.12680","DOIUrl":"10.1111/syen.12680","url":null,"abstract":"<p>Blattidae Latreille is widely distributed worldwide and includes a variety of sanitary pests, such as <i>Periplaneta americana</i> (Linnaeus), <i>Periplaneta australasiae</i> (Fabricius) and <i>Periplaneta fuliginosa</i> (Serville). The subfamily composition of Blattidae has undergone significant changes in recent years, and a few long-standing controversies have been resolved. However, the paraphyly of Blattinae Latreille and the polyphyly of <i>Periplaneta</i> Burmeister within the subfamily remain unresolved. We addressed these issues through phylogenetic analyses of the Blattinae based on mitochondrial genomes and nuclear genes (<i>18S</i> and <i>28S</i>), and morphological analyses of eleven male genital characters. Our study showed that <i>Dorylaea</i> Stål and <i>Nazgultaure</i> Lucanãs are sister taxa and distantly related to Blattinae. <i>Periplaneta</i> s.l. was found to be widely polyphyletic across five or six separate clades, while <i>Mimosilpha</i> Bey-Bienko was embedded within <i>Homalosilpha</i> Stål. Integrating ancestral character state reconstruction (ASR) analyses, morphological character comparisons and our phylogenetic results, we propose five new genera (<i>Unihamus</i> Luo & Wang, <b>gen. nov</b>.; <i>Validiblatta</i> Luo & Wang, <b>gen. nov</b>.; <i>Arcicaulis</i> Luo & Wang, <b>gen. nov</b>.; <i>Tenumembrana</i> Luo & Wang, <b>gen. nov</b>.; <i>Crescispina</i> Luo & Wang, <b>gen. nov</b>.) to revise <i>Periplaneta</i> s.l. We describe two new species (<i>Hobbitoblatta semialata</i> Luo & Wang, <b>sp. nov</b>. and <i>Crescispina qiaoi</i> Luo & Wang, <b>sp. nov</b>.). We treat <i>Mimosilpha</i> as the junior synonym of <i>Homalosilpha</i>. The ASR analyses reveal the evolutionary status of genital characteristics in Blattinae s.s. and suggest that the morphology of sclerites L4C, R1H and R1G can be used as diagnostic characters for genera or subfamilies.</p>","PeriodicalId":22126,"journal":{"name":"Systematic Entomology","volume":"50 4","pages":"836-854"},"PeriodicalIF":4.9,"publicationDate":"2025-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145022391","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Dominik Kusy, Michal Motyka, Jan Simon-Pražák, Tomáš Lackner, Alexander Prokin, Martin Fikáček
{"title":"Phylogenomics resolves the relationships among Hydrophiloidea-Histeroidea families (Coleoptera) and challenges the single colonization of aquatic habitats","authors":"Dominik Kusy, Michal Motyka, Jan Simon-Pražák, Tomáš Lackner, Alexander Prokin, Martin Fikáček","doi":"10.1111/syen.12679","DOIUrl":"10.1111/syen.12679","url":null,"abstract":"<p>Beetle superfamilies Histeroidea and Hydrophiloidea form a well-supported monophylum with <i>c.</i> 9000 described species, but the relationships among the families remain unresolved, hindering the studies of the early evolution of the group. This study presents the first genomic data for all modern families, including the first genomes for Synteliidae, Sphaeritidae, Georissidae and Epimetopidae. Using datasets of 4215, 1100 and 709 protein-coding genes, we reconstructed the relationships among the families, reconfirmed the Early Triassic split of Hydrophiloidea and Histeroidea, and revealed the Early to Middle Jurassic origin of modern families. All datasets and analytical methods revealed the same topology for Hydrophiloidea. The superfamily consists of two main clades: the helophorid lineage (Georissidae + Helophoridae + Hydrochidae) and the hydrophilid lineage (Epimetopidae + Spercheidae + Hydrophilidae), with Helophoridae + Hydrochidae and Spercheidae + Hydrophilidae as strongly supported clades; the riparian Georissidae and Epimetopidae form early branching clades in each lineage. In Histeroidea, we detected a significant conflict in phylogenetic signal, indicating a more complex and dynamic molecular evolution than in Hydrophiloidea: our analyses reject Synteliidae as sister to Histeridae but are not decisive on whether Synteliidae are sister to Sphaeritidae or to all other Histeroidea. The reconstruction of habitat preferences indicated that ancestral Hydrophiloidea inhabited moist substrates at the sides of lakes or rivers but were not aquatic. Aquatic habitats were colonized twice independently: once by Helophoridae + Hydrochidae and once by an ancestor of Spercheidae + Hydrophilidae. We discuss the evidence for and against this novel Riparian Ancestor Hypothesis in detail.</p>","PeriodicalId":22126,"journal":{"name":"Systematic Entomology","volume":"50 4","pages":"813-835"},"PeriodicalIF":4.9,"publicationDate":"2025-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145022336","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Phylogenomics and revised classification of Lymexyloidea and Tenebrionoidea (Coleoptera: Polyphaga: Cucujiformia)","authors":"Jan Batelka, Robin Kundrata, Jakub Straka","doi":"10.1111/syen.12683","DOIUrl":"10.1111/syen.12683","url":null,"abstract":"<p>Cucujiformia forms a substantial part of beetle diversity; however, relationships within this group remain unsettled. We used large-scale phylogenomic data to investigate early splits of the Tenebrionoid clade, focusing on the phylogenetic positions of Lymexylidae and Ripiphoridae. In concert with previous phylogenetic studies, we recovered Lymexyloidea as sister to Tenebrionoidea, and the clade Ripiphoridae + Mordellidae as sister to the remaining Tenebrionoidea. Based on their morphology and deep divergence, we designate the ‘mordelloid clade’ for Ripiphoridae and Mordellidae. Lymexyloidea contained two major clades: Lymexylidae, with subfamilies Lymexylinae and Atractocerinae, and Hylecoetidae <b>sensu novo</b>, with Hylecoetinae and Melittommatinae. Contrary to previous molecular studies, we found Ripiphoridae to be monophyletic, with Ptilophorinae or Ripidiinae as sister to all remaining clades. Additionally, we studied the morphology and phylogeny of fossil tenebrionoids, establishing the following new families: †Wuhuidae <b>fam. nov</b>., †Bellimordellidae <b>fam. nov</b>., and †Mirimordellidae <b>fam. nov</b>. Furthermore, †Praemordellidae <b>stat. nov</b>. (originally a subfamily of Mordellidae) were elevated to family rank, and †Yakutiinae <b>subfam. nov</b>. were proposed as a subfamily of Mordellidae. †<i>Angimordella</i> Bao et al. was transferred from Mordellinae to †Apotomourinae, and †<i>Primaevomordellida</i> Bao et al. from Reynoldsiellini to Mordellini. The newly proposed classification is summarized and discussed, with family-level identification keys provided for Lymexyloidea and the taxa in the ‘mordelloid clade’. New nomenclatural changes include the synonymies of <i>Mordella bimaculata</i> Fabricius <b>syn. nov</b>. with <i>Mordella tricuspidata</i> Goeze (now in <i>Macrosiagon</i> Hentz) and <i>Trigonodera</i> Dejean <b>syn. nov</b>. with <i>Pelecotoides</i> Laporte, and the earlier authorship of <i>Ctenidia</i> Laporte (1833, not 1840).</p>","PeriodicalId":22126,"journal":{"name":"Systematic Entomology","volume":"50 4","pages":"794-812"},"PeriodicalIF":4.9,"publicationDate":"2025-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://resjournals.onlinelibrary.wiley.com/doi/epdf/10.1111/syen.12683","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145022115","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Y. Miles Zhang, Gérard Delvare, Bonnie B. Blaimer, Astrid Cruaud, Jean-Yves Rasplus, Seán G. Brady, Michael W. Gates
{"title":"Phasing in and out of phytophagy: Phylogeny and evolution of the family Eurytomidae (Hymenoptera: Chalcidoidea) based on Ultraconserved Elements","authors":"Y. Miles Zhang, Gérard Delvare, Bonnie B. Blaimer, Astrid Cruaud, Jean-Yves Rasplus, Seán G. Brady, Michael W. Gates","doi":"10.1111/syen.12682","DOIUrl":"10.1111/syen.12682","url":null,"abstract":"<p>We present the first global molecular phylogenetic hypothesis for the family Eurytomidae, a group of chalcidoid wasps with diverse biology, with a representative sampling (197 ingroups and 11 outgroups) that covers all described subfamilies and 70% of the known genera. Analyses of 962 Ultraconserved Elements (UCEs) with concatenation (IQ-TREE) and multispecies coalescent approaches (ASTRAL) resulted in highly supported topologies in recovering the monophyly of Eurytomidae and its four subfamilies. The taxonomy of Eurytomidae, and in particular the large subfamily Eurytominae, needs major revisions as most large genera are recovered as para- or polyphyletic, and the erection of multiple new genera is required in the future to accommodate these taxa. Here, we synonymize the genera <i>Cathilaria</i> (<i>C. certa</i>, <i>C. globiventris</i>, <i>C. opuntiae</i> and <i>C. rigidae</i>) and the monotypic <i>Aiolomorphus rhopaloides</i> within <i>Tetramesa</i> <b>syn. nov</b>., <i>Parabruchophagus</i> (<i>P. kazakhstanicus</i>, <i>P. nikolskaji</i>, <i>P. rasnitsyni</i>, <i>P. saxatilis</i> and <i>P. tauricus</i>) and <i>Exeurytoma</i> (<i>E. anatolica</i>, <i>E. caraganae</i> and <i>E. kebanensis</i>) within <i>Bruchophagus</i> <b>syn. nov</b>. We also provide 137 DNA barcode <i>COI</i> fragments extracted from the UCE contigs to aid in future identifications of Eurytomidae using this popular genetic marker. Eurytomidae most likely originated in South America with an estimated crown age of 83.37 Ma. Ancestral state reconstruction indicates that secondary phytophagy has evolved at least seven times within the subfamily Eurytominae, showcasing the evolutionary flexibility of these vastly understudied wasps.</p>","PeriodicalId":22126,"journal":{"name":"Systematic Entomology","volume":"50 4","pages":"780-793"},"PeriodicalIF":4.9,"publicationDate":"2025-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145022061","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
José L. Reyes-Hernández, Adam Brunke, Aslak Kappel Hansen, Qinghao Zhao, Josh Jenkins Shaw, Alfred F. Newton, Alexey Solodovnikov
{"title":"Evolutionary systematics of the Staphylininae rove beetles (Coleoptera: Staphylinidae) resolved by integration of phylogenomics, comparative morphology and historical biogeography","authors":"José L. Reyes-Hernández, Adam Brunke, Aslak Kappel Hansen, Qinghao Zhao, Josh Jenkins Shaw, Alfred F. Newton, Alexey Solodovnikov","doi":"10.1111/syen.12677","DOIUrl":"10.1111/syen.12677","url":null,"abstract":"<p>Based on a phylogenomic analysis, we here update the higher classification of the rove beetle subfamily Staphylininae, an insect mega-lineage comprising over 9000 described species. All established or newly proposed higher taxa are statistically robust and biogeographically plausible monophyla identified by morphological characters, many of which are putative synapomorphies. Novel molecular and morphological evidence corroborate the previously challenged broad concept of Staphylininae, and the newly proposed division of Staphylinini into the tribes Staphylinini stat. rev. and Tanygnathinini stat. rev. Our fossil-calibrated dating of the phylogeny revealed consistent temporal congruence between major cladogenetic events and plate tectonics throughout the Mesozoic and Cenozoic eras; for example, the divergence of Tanygnathinini stat. rev. from Staphylinini stat. rev. is contemporaneous with the break-up of Pangea, and the first divergence within Tanygnathinini stat. rev. coincides with the separation of South America and Africa. Similarly manifold evidence, including the evaluated performance of the alternative statistical phylogenetic models, supports all proposed new subtribes: Ctenandropina subtrib. nov. and Nitidocolpina subtrib. nov. within Tanygnathinini; Descarpentriesiellina subtrib. nov. and Valdiviodina subtrib. nov. within Staphylinini. Keys, diagnoses and descriptions are provided for all involved higher taxa in the extensive taxonomic part.</p>","PeriodicalId":22126,"journal":{"name":"Systematic Entomology","volume":"50 4","pages":"750-779"},"PeriodicalIF":4.9,"publicationDate":"2025-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://resjournals.onlinelibrary.wiley.com/doi/epdf/10.1111/syen.12677","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145022387","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yukang Liang, Takahiro Yonezawa, Carol D. von Dohlen, Jiahui Wei, Yujie Xu, Virginia Valcárcel, Jun Wen, Zhumei Ren
{"title":"Phylogeny of Rhus gall aphids (Hemiptera: Aphididae) reveals an earlier origin than their primary host plants","authors":"Yukang Liang, Takahiro Yonezawa, Carol D. von Dohlen, Jiahui Wei, Yujie Xu, Virginia Valcárcel, Jun Wen, Zhumei Ren","doi":"10.1111/syen.12681","DOIUrl":"10.1111/syen.12681","url":null,"abstract":"<p><i>Rhus</i> gall aphids (Hemiptera: Aphididae: Eriosomatinae: Fordini) are obligate parasites that only use <i>Rhus</i> species (Anacardiaceae) as their primary host plants, and each aphid species feeds specifically on one or two sister <i>Rhus</i> species. Both aphids and <i>Rhus</i> hosts exhibit the same disjunct distribution pattern between East Asia and eastern North America. We assembled complete mitochondrial genomes and universal single-copy nuclear genes for <i>Rhus</i> gall aphids using a genome skimming method and estimated their phylogeny from each dataset. Results strongly supported the monophyly of the <i>Rhus</i> gall aphids Fordini and two genera, <i>Floraphis</i> and <i>Melaphis</i>. However, the relationships among genera were inconsistent between the different datasets. We also estimated the relationships of <i>Rhus</i> host plants from published chloroplast genomes. The chloroplast phylogeny strongly supported <i>Rhus</i> monophyly and relationships among <i>Rhus</i> species. Dating analyses suggest that the most recent common ancestor of <i>Rhus</i> gall aphids was much older than that of their host plants. However, the divergence times and relationships among some <i>Rhus</i> gall aphid species, particularly those with more recent divergence times, were consistent with the ages and relationships of their corresponding primary host plants. This may suggest that <i>Rhus</i> gall aphids established an initial association with stem-group ancestors of Anacardiaceae and acquired extant <i>Rhus</i> hosts as they evolved or through host switching from another plant group. Divergence time estimates implied that the separation of North America and Eurasia from the Laurasia supercontinent and the subsequent disappearance of the Bering Land Bridge, respectively, have played an important role in the divergence of the eastern North American <i>Melaphis</i> and the East Asian lineage. Our results provide new insights into the coevolution of insects and host plants.</p>","PeriodicalId":22126,"journal":{"name":"Systematic Entomology","volume":"50 4","pages":"736-749"},"PeriodicalIF":4.9,"publicationDate":"2025-04-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145022305","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Phylogeny, diversification and biogeography of charming moth-like cicadas in the tribe Gaeanini Distant (Hemiptera, Cicadidae)","authors":"Jiali Wang, Jinrui Zhou, Wenzhe Zhang, Cong Wei","doi":"10.1111/syen.12676","DOIUrl":"10.1111/syen.12676","url":null,"abstract":"<p>The repeated and convergent evolution of opaque wings and other unique characteristics makes defining the tribes of Cicadidae challenging. Cicadas of Gaeanini, almost endemic to Asia and known as ‘butterfly cicadas’ but more resembling moths, exhibit striking phenotypes with opaque wings and vivid colours. This study presents the first comprehensive phylogeny of Gaeanini based on molecular data of cicadas and genomic data from their obligate endosymbiont <i>Candidatus</i> Karelsulcia muelleri (hereafter <i>Karelsulcia</i>). Phylogenetic results do not support the monophyly of Gaeanini, with Becquartinina <b>place. nov</b>. nesting within Leptopsaltriini. Consequently, Becquartinina <b>place. nov</b>. is transferred from Gaeanini to Leptopsaltriini, and Gaeanini is redefined with the establishment of three new subtribes: Vittagaeanina <b>subtr. nov</b>., Callogaeanina <b>subtr. nov</b>., and Taonina <b>subtr. nov</b>. Additionally, several species are synonymized, and <i>Balinta nigera</i> <b>sp. nov</b>. is erected. The phylogeny of <i>Karelsulcia</i> generally mirrors the host phylogeny, supporting the redefinition of Gaeanini. Gaeanini likely originated in South China and northeastern Indochina during the Early Miocene and diversified in the Early to Mid-Miocene. Miocene climatic changes, the rise of the Qinghai–Tibet Plateau, and the formation of Hainan Island, together with the repeated emergence of Qiongzhou Strait, played significant roles in the diversification of Gaeanini. The colourful wing patterns in Gaeanini may serve as automimicry with moths or other related insects, protecting them against predators. This study improves our understanding of the diversification, vicariance, and evolution of this unique cicada tribe and serves as an example for future studies on other taxa of Cicadidae with opaque wings.</p>","PeriodicalId":22126,"journal":{"name":"Systematic Entomology","volume":"50 4","pages":"713-735"},"PeriodicalIF":4.9,"publicationDate":"2025-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145022339","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}