Mikael Englund, Kyung Min Lee, Hermann Staude, Anne Duplouy, Axel Hausmann, Elina Laiho, Max Söderholm, Pasi Sihvonen
{"title":"从发现到描述的 130 年:应用微型 CT 扫描构建南部非洲一种被遗忘的蛾类(鳞翅目:尺蠖蛾科)的综合分类法","authors":"Mikael Englund, Kyung Min Lee, Hermann Staude, Anne Duplouy, Axel Hausmann, Elina Laiho, Max Söderholm, Pasi Sihvonen","doi":"10.1111/syen.12627","DOIUrl":null,"url":null,"abstract":"<p>X-ray micro-computed tomography (micro-CT) of dried and pinned museum specimens combined with advanced image processing can provide a useful, novel and non-destructive tool for integrative insect taxonomy. This paper demonstrates how micro-CT can be applied to provide unambiguous illustrations of diagnostic morphological characters for new taxa description and to understand how micro-CT imaging may complement other imaging techniques. Following micro-CT scanning, a semi-automatic segmentation and volume rendering protocol was used to portray the wing venation and diagnostic structures and ornamentation of male genitalia from multiple angles. Using micro-CT images, we provide the description of a conspicuous geometrid moth from southern Africa (Lepidoptera: Geometridae), which has been present in collections since 1894, but left without an available name. Using a multigenetic dataset comprising 273 terminal taxa from the superfamily Geometroidea, we constructed a molecular phylogeny to place our study species to an isolated lineage in Geometridae: Larentiinae, tribe Xanthorhoini sensu lato. We describe it as <i>Chloecolora vergetaria</i> new genus, new species Englund & Staude, and provide diverse ecological information on its distribution, habitat, host plant, adult and immature stages, and parasites. We found micro-CT imaging particularly useful in two- and three-dimensional imaging of wings, providing detailed information for instance on non-tubular folds that may be difficult to distinguish using other techniques.</p>","PeriodicalId":22126,"journal":{"name":"Systematic Entomology","volume":null,"pages":null},"PeriodicalIF":4.7000,"publicationDate":"2024-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/syen.12627","citationCount":"0","resultStr":"{\"title\":\"130 years from discovery to description: micro-CT scanning applied to construct the integrative taxonomy of a forgotten moth from Southern Africa (Lepidoptera: Geometridae)\",\"authors\":\"Mikael Englund, Kyung Min Lee, Hermann Staude, Anne Duplouy, Axel Hausmann, Elina Laiho, Max Söderholm, Pasi Sihvonen\",\"doi\":\"10.1111/syen.12627\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>X-ray micro-computed tomography (micro-CT) of dried and pinned museum specimens combined with advanced image processing can provide a useful, novel and non-destructive tool for integrative insect taxonomy. This paper demonstrates how micro-CT can be applied to provide unambiguous illustrations of diagnostic morphological characters for new taxa description and to understand how micro-CT imaging may complement other imaging techniques. Following micro-CT scanning, a semi-automatic segmentation and volume rendering protocol was used to portray the wing venation and diagnostic structures and ornamentation of male genitalia from multiple angles. Using micro-CT images, we provide the description of a conspicuous geometrid moth from southern Africa (Lepidoptera: Geometridae), which has been present in collections since 1894, but left without an available name. Using a multigenetic dataset comprising 273 terminal taxa from the superfamily Geometroidea, we constructed a molecular phylogeny to place our study species to an isolated lineage in Geometridae: Larentiinae, tribe Xanthorhoini sensu lato. We describe it as <i>Chloecolora vergetaria</i> new genus, new species Englund & Staude, and provide diverse ecological information on its distribution, habitat, host plant, adult and immature stages, and parasites. 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130 years from discovery to description: micro-CT scanning applied to construct the integrative taxonomy of a forgotten moth from Southern Africa (Lepidoptera: Geometridae)
X-ray micro-computed tomography (micro-CT) of dried and pinned museum specimens combined with advanced image processing can provide a useful, novel and non-destructive tool for integrative insect taxonomy. This paper demonstrates how micro-CT can be applied to provide unambiguous illustrations of diagnostic morphological characters for new taxa description and to understand how micro-CT imaging may complement other imaging techniques. Following micro-CT scanning, a semi-automatic segmentation and volume rendering protocol was used to portray the wing venation and diagnostic structures and ornamentation of male genitalia from multiple angles. Using micro-CT images, we provide the description of a conspicuous geometrid moth from southern Africa (Lepidoptera: Geometridae), which has been present in collections since 1894, but left without an available name. Using a multigenetic dataset comprising 273 terminal taxa from the superfamily Geometroidea, we constructed a molecular phylogeny to place our study species to an isolated lineage in Geometridae: Larentiinae, tribe Xanthorhoini sensu lato. We describe it as Chloecolora vergetaria new genus, new species Englund & Staude, and provide diverse ecological information on its distribution, habitat, host plant, adult and immature stages, and parasites. We found micro-CT imaging particularly useful in two- and three-dimensional imaging of wings, providing detailed information for instance on non-tubular folds that may be difficult to distinguish using other techniques.
期刊介绍:
Systematic Entomology publishes original papers on insect systematics, phylogenetics and integrative taxonomy, with a preference for general interest papers of broad biological, evolutionary or zoogeographical relevance.