Paraphloeostiba dominicana sp. nov.: The first omaliine rove beetle from Dominican amber (Coleoptera: Staphylinidae: Omaliinae)

The purpose of this paper is to describe a new species of Antarctic amphipod of the genus Orchomenella Sars, 1890, Orchomenella rinamontiae sp. nov., and to investigate whether high-resolution images of the surface anatomy obtained ‘in situ’ with synchrotron radiation X-ray phase-contrast micro-tomography (SR-PhC micro-CT) can replace classical approaches to describe a new species. The phylogenetic analyses based on the gene COI support the morphologically based taxonomic assignment. The SR-PhC micro-CT was useful for viewing the three-dimensional reconstructions, with the great advantages that the specimen could be rotated around all axes and that it was possible digitally to remove sections of the image that might have obscured areas of the amphipod on which we were focusing. However, it is not yet a completely reliable technique to describe a new species fully. Classical descriptions using light microscopy and scanning electron microscopy are still necessary. Nevertheless, SR-PhC micro-CT is a promising technique that has the potential to revolutionize the way we study biological samples, accelerating the study of biodiversity.

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New species and records of the genus Paraphloeostiba Steel, 1960 (Coleoptera: Staphylinidae: Omaliinae) from Papua New Guinea, and notes on some species from India, Indonesia and Philippines

Shavrin

2023

Zootaxa

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New taxonomic and faunistic data for six species of Paraphloeostiba Steel, 1960 (Omaliini) from Papua New Guinea are provided. Five species are described or redescribed and illustrated: P. conjuncta sp.n., P. coriacea (Cameron, 1952), P. flaveola sp.n., P. papuana (Cameron, 1931), and P. ullrichi sp.n. (all from the Eastern Highlands of Papua New Guinea). The key for the species of Papua New Guinea is provided. The spermatheca of P. papuana is figured for the first time. New diagnostic and faunistic notes for four species from India, Indonesia and Philippines are presented. Several members of Paraphloeostiba are newly recorded: P. apicalis (Cameron, 1925) from India, P. subopaca (Cameron, 1924) from Tamil Nadu (India), and P. tonkinensis (Cameron, 1940) from Philippines (Leyte).

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Paraphloeostiba dominicana sp. nov.: The first omaliine rove beetle from Dominican amber (Coleoptera: Staphylinidae: Omaliinae)

Cited by 5 publications

References 25 publications

A new Acrulia species from Danish amber (Coleoptera: Staphylinidae: Omaliinae: Omaliini)

A new Acrulia species from Danish amber (Coleoptera: Staphylinidae: Omaliinae: Omaliini)

A new Antarctic species of Orchomenella G.O. Sars, 1890 (Amphipoda: Lysianassoidea: Tryphosidae): is phase-contrast micro-tomography a mature technique for digital holotypes?

New species and records of the genus Paraphloeostiba Steel, 1960 (Coleoptera: Staphylinidae: Omaliinae) from Papua New Guinea, and notes on some species from India, Indonesia and Philippines

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