Micro-CT imaging in species description: exploring beyond sclerotized structures in lichen moths (Lepidoptera: Erebidae, Arctiinae, Lithosiini)

X-ray micro-computed tomography imaging (micro-CT) is valuable for systematic research since it permits the non-destructive scanning and imaging of internal structures of very rare species and/or type specimens. Additionally, micro-CT allows to view the morphology and the functional anatomy of struc...

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Main Authors: Simeão S. Moraes, Max S. Söderholm, Tamara M.C. Aguiar, André V.L. Freitas, Pasi Sihvonen
Format: Article
Language:English
Published: PeerJ Inc. 2023-07-01
Series:PeerJ
Subjects:
Online Access:https://peerj.com/articles/15505.pdf
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author Simeão S. Moraes
Max S. Söderholm
Tamara M.C. Aguiar
André V.L. Freitas
Pasi Sihvonen
author_facet Simeão S. Moraes
Max S. Söderholm
Tamara M.C. Aguiar
André V.L. Freitas
Pasi Sihvonen
author_sort Simeão S. Moraes
collection DOAJ
description X-ray micro-computed tomography imaging (micro-CT) is valuable for systematic research since it permits the non-destructive scanning and imaging of internal structures of very rare species and/or type specimens. Additionally, micro-CT allows to view the morphology and the functional anatomy of structures in their natural anatomical position, without deformations that typically occur using classical dissection protocols. In this study we provide the description of two new species of lichen moths (Lepidoptera: Erebidae, Lithosiini) from the Atlantic Forest in eastern Brazil: Nodozana heliae Moraes sp. nov. from Rio de Janeiro state and Epeiromulona pataxo Moraes & Aguiar sp. nov. from Bahia state. The male and female genitalia as well as the wing morphology were examined by means of non-destructive micro-CT, subsequent 3D model reconstruction, 360 degree spinning animations, 2D images from different angles, and those were compared against classical genitalia dissections from the same specimens. We conclude that techniques complement each other, micro-CT being particularly useful to study wing venation, sclerotized internal structures and muscles, while classical dissection is useful to study membranous structures, particularly in the female genitalia, abdominal skin and specialised scales on the male 8th sternite.
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spelling doaj.art-fb6b1fa522124778bfdc988caa01b34d2023-12-03T10:08:46ZengPeerJ Inc.PeerJ2167-83592023-07-0111e1550510.7717/peerj.15505Micro-CT imaging in species description: exploring beyond sclerotized structures in lichen moths (Lepidoptera: Erebidae, Arctiinae, Lithosiini)Simeão S. Moraes0Max S. Söderholm1Tamara M.C. Aguiar2André V.L. Freitas3Pasi Sihvonen4Biologia Animal, Universidade Estadual de Campinas, Campinas, BrazilFinnish Museum of Natural History, University of Helsinki, Helsinki, FinlandBiologia Animal, Universidade Estadual de Campinas, Campinas, BrazilBiologia Animal, Universidade Estadual de Campinas, Campinas, BrazilFinnish Museum of Natural History, University of Helsinki, Helsinki, FinlandX-ray micro-computed tomography imaging (micro-CT) is valuable for systematic research since it permits the non-destructive scanning and imaging of internal structures of very rare species and/or type specimens. Additionally, micro-CT allows to view the morphology and the functional anatomy of structures in their natural anatomical position, without deformations that typically occur using classical dissection protocols. In this study we provide the description of two new species of lichen moths (Lepidoptera: Erebidae, Lithosiini) from the Atlantic Forest in eastern Brazil: Nodozana heliae Moraes sp. nov. from Rio de Janeiro state and Epeiromulona pataxo Moraes & Aguiar sp. nov. from Bahia state. The male and female genitalia as well as the wing morphology were examined by means of non-destructive micro-CT, subsequent 3D model reconstruction, 360 degree spinning animations, 2D images from different angles, and those were compared against classical genitalia dissections from the same specimens. We conclude that techniques complement each other, micro-CT being particularly useful to study wing venation, sclerotized internal structures and muscles, while classical dissection is useful to study membranous structures, particularly in the female genitalia, abdominal skin and specialised scales on the male 8th sternite.https://peerj.com/articles/15505.pdfIntegrative taxonomyX-ray micro-computed tomographyMorphologyMusclesDNA barcodeTiger moths
spellingShingle Simeão S. Moraes
Max S. Söderholm
Tamara M.C. Aguiar
André V.L. Freitas
Pasi Sihvonen
Micro-CT imaging in species description: exploring beyond sclerotized structures in lichen moths (Lepidoptera: Erebidae, Arctiinae, Lithosiini)
PeerJ
Integrative taxonomy
X-ray micro-computed tomography
Morphology
Muscles
DNA barcode
Tiger moths
title Micro-CT imaging in species description: exploring beyond sclerotized structures in lichen moths (Lepidoptera: Erebidae, Arctiinae, Lithosiini)
title_full Micro-CT imaging in species description: exploring beyond sclerotized structures in lichen moths (Lepidoptera: Erebidae, Arctiinae, Lithosiini)
title_fullStr Micro-CT imaging in species description: exploring beyond sclerotized structures in lichen moths (Lepidoptera: Erebidae, Arctiinae, Lithosiini)
title_full_unstemmed Micro-CT imaging in species description: exploring beyond sclerotized structures in lichen moths (Lepidoptera: Erebidae, Arctiinae, Lithosiini)
title_short Micro-CT imaging in species description: exploring beyond sclerotized structures in lichen moths (Lepidoptera: Erebidae, Arctiinae, Lithosiini)
title_sort micro ct imaging in species description exploring beyond sclerotized structures in lichen moths lepidoptera erebidae arctiinae lithosiini
topic Integrative taxonomy
X-ray micro-computed tomography
Morphology
Muscles
DNA barcode
Tiger moths
url https://peerj.com/articles/15505.pdf
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