Revolving SEM images visualising 3D taxonomic characters: application to six species of the millipede genus Ommatoiulus Latzel, 1884, with description of seven new species and an interactive key to the Tunisian members of the genus (Diplopoda, Julida, Julidae)

Nesrine Akkari; David Koon-Bong Cheung; Henrik Enghoff; Pavel Stoev

doi:10.3897/zookeys.328.5763

Revolving SEM images visualising 3D taxonomic characters: application to six species of the millipede genus Ommatoiulus Latzel, 1884, with description of seven new species and an interactive key to the Tunisian members of the genus (Diplopoda, Julida, Julidae)

Nesrine Akkari, David Koon-Bong Cheung, Henrik Enghoff, Pavel Stoev

11 Citationer (Scopus)

67 Downloads (Pure)

Abstract

A novel illustration technique based on scanning electron microscopy is used for the first time to enhance taxonomic descriptions. The male genitalia (gonopods) of six species of millipedes are used for construction of interactive imaging models. Each model is a compilation of a number of SEM images taken consecutively while rotating the SEM stage 360°, which allows the structure in question to be seen from all angles of view in one plane. Seven new species of the genus Ommatoiulus collected in Tunisia are described: O. chambiensis, O. crassinigripes, O. kefi, O. khroumiriensis, O. xerophilus, O. xenos, and O. zaghouani spp. n. Size differences between syntopic adult males of O. chambiensis and O. xerophilus spp. n. from Châambi Mountain are illustrated using scatter diagrams. A similar diagram is used to illustrate size differences in O. crassinigripes, O. khroumiriensis spp. n. and O. punicus (Brölemann, 1894). In addition to morphological differences, the latter three species display allopatric distribution and different habitat preferences. A dichotomous interactive key with a high visual impact and an intuitive user interface is
presented to serve identification of the 12 Ommatoiulus species so far known from Tunisia. Updates on the North African Ommatoiulus fauna in general are presented.

Originalsprog	Engelsk
Tidsskrift	ZooKeys
Vol/bind	328
Sider (fra-til)	5-45
Antal sider	41
ISSN	1313-2989
DOI	https://doi.org/10.3897/zookeys.328.5763
Status	Udgivet - 2013

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Akkari, N., Cheung, D. K-B., Enghoff, H., & Stoev, P. (2013). Revolving SEM images visualising 3D taxonomic characters: application to six species of the millipede genus Ommatoiulus Latzel, 1884, with description of seven new species and an interactive key to the Tunisian members of the genus (Diplopoda, Julida, Julidae). ZooKeys, 328, 5-45. https://doi.org/10.3897/zookeys.328.5763

Revolving SEM images visualising 3D taxonomic characters : application to six species of the millipede genus Ommatoiulus Latzel, 1884, with description of seven new species and an interactive key to the Tunisian members of the genus (Diplopoda, Julida, Julidae). / Akkari, Nesrine; Cheung, David Koon-Bong; Enghoff, Henrik et al.

I: ZooKeys, Bind 328, 2013, s. 5-45.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › peer review

Akkari, N, Cheung, DK-B, Enghoff, H & Stoev, P 2013, 'Revolving SEM images visualising 3D taxonomic characters: application to six species of the millipede genus Ommatoiulus Latzel, 1884, with description of seven new species and an interactive key to the Tunisian members of the genus (Diplopoda, Julida, Julidae)', ZooKeys, bind 328, s. 5-45. https://doi.org/10.3897/zookeys.328.5763

Akkari, Nesrine ; Cheung, David Koon-Bong ; Enghoff, Henrik et al. / Revolving SEM images visualising 3D taxonomic characters : application to six species of the millipede genus Ommatoiulus Latzel, 1884, with description of seven new species and an interactive key to the Tunisian members of the genus (Diplopoda, Julida, Julidae). I: ZooKeys. 2013 ; Bind 328. s. 5-45.

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abstract = "A novel illustration technique based on scanning electron microscopy is used for the frst time to enhance taxonomic descriptions. Te male genitalia (gonopods) of six species of millipedes are used for construction of interactive imaging models. Each model is a compilation of a number of SEM images taken consecutively while rotating the SEM stage 360°, which allows the structure in question to be seen from all angles of view in one plane. Seven new species of the genus Ommatoiulus collected in Tunisia are described: O. chambiensis, O. crassinigripes, O. kef, O. khroumiriensis, O. xerophilus, O. xenos, and O. zag-houani spp. n. Size diferences between syntopic adult males of O. chambiensis and O. xerophilus spp. n. from Ch{\^a}ambi Mountain are illustrated using scatter diagrams. A similar diagram is used to illustrate size diferences in O. crassinigripes, O. khroumiriensis spp. n. and O. punicus (Br{\"o}lemann, 1894). In addition to morphological diferences, the latter three species display allopatric distribution and diferent habitat preferences. A dichotomous interactive key with a high visual impact and an intuitive user interface is presented to serve identifcation of the 12 Ommatoiulus species so far known from Tunisia. Updates on the North African Ommatoiulus fauna in general are presented.",

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