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Dried aquatic macrophytes are floating egg banks and potential dispersal vectors of ostracods (Crustacea) from pleuston communities.
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In aquatic ecosystems, such as Neotropical floodplains, it is common to find dried aquatic macrophytes along the margins of various environments (e.g. lakes and rivers) during the dry season. Here, we evaluate the potential of dried Eichhornia crassipes as a dispersal vector of ostracod resting eggs by assessing the abundance, richness and beta diversity of the dormant associated fauna. We test two hypotheses: (1) that the roots of E. crassipes shelter and disperse ostracod resting eggs and (2) that the abundance, richness and beta diversity of dormant assemblages will increase over the incubation time after re-hydration. Dried E. crassipes from floodplain lakes were hydrated with distilled water. The microcosms were kept in germinating chambers with controlled temperature and photoperiod during 147 days. A total of 397 ostracods representing seven species hatched from the resting eggs attached to dried macrophyte roots. An increase in richness and a decrease in abundance were observed over the weeks, although these trends were not significant. However, the beta diversity increased significantly over the incubation time. Our results show that the complex root systems of E. crassipes have the potential for storage and dispersal of ostracod resting eggs.
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RBINS Staff Publications 2022
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A (very) brief vademecum on biological nomenclature
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This editorial is aimed at explaining why the editors of Hydrobiologia are so concerned with biological nomenclature and why we ask our authors the utmost precision when referring to species in their papers. In particular, the Instructions for Authors of the journal specify that “When a species name is used for the first time in an article, it should be stated in full, and the name of its describer should also be given” (https://www.springer.com/journal/10750/submission-guidelines?IFA#Instructions%20for%20Authors_Scientific%20style). In the next lines, we want to show that this is not just an old fashion formalism, but a necessity to correctly and univocally identify the biological subjects that are the basis of the research published in this journal. Moreover, Hydrobiologia is a generalist journal giving voice to research embedded in a wide ecological and evolutionary context, carried out in any kind of aquatic ecosystem, and considering all their biological entities from small viruses onwards to large whales! Thus, the work of a, for example, fish biologist, should be readable for a botanist and vice versa. This achievement can be reached by avoiding as much as possible the jargon typical of each discipline (as the so called “common names” can be considered) and allowing the unequivocal identification of the targeted biological entities.
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RBINS Staff Publications 2022
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Amphibians and squamate reptiles from the late Pleistocene of the “Caverne Marie-Jeanne” (Hastière-Lavaux, Namur, Belgium): Systematics, paleobiogeography, and paleoclimatic and paleoenvironmental reconstructions
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Archeological sites usually provide important information about the past distribution ofsmall vertebrate fauna, and by extension about past terrestrial environments and climatein which human activities took place. In this context, Belgium has an interesting location innorthwestern Europe between the fully studied zooarcheological records of Germany andEngland. We present here the revision of the late Pleistocene (Marine Isotope Stages 3 and 2)collection of the “Caverne Marie-Jeanne” (Hastière-Lavaux, Namur), studied by Jean-ClaudeRage in the 1970s and the revision of the whole “indeterminate” small vertebrate materialsfrom the “Caverne Marie-Jeanne” stored in the Royal Belgian Institute of Natural Sciences(RBINS) Quaternary collections in search of more herpetofaunal remains. It is now by farthe largest late Pleistocene collection at RBINS with more than 20,500 recognized bonesof amphibians and reptiles and covering the last 60,000 years. The faunal list comprisestwo urodeles (Lissotriton gr. L. vulgaris and Salamandra salamandra), four anurans (Bufo gr.B. bufo-spinosus, Epidalea calamita, Rana temporaria and Rana cf. R. arvalis), three lizards(Lacerta cf. L. agilis, Zootoca vivipara and Anguis gr. A. fragilis), and three snakes (Natrix gr.N. natrix, Coronella austriaca, and Vipera berus). This study represents the first fossil record in Belgium for L. gr. L. vulgaris, R. arvalis, Z. vivipara, N. gr. N. natrix and C. austriaca. As awhole, this assemblage suggests a patchy humid landscape under colder and dryer climaticconditions in comparison with present ones. This study also underlines the necessity of aprimary separation in larger taxonomical categories by the specialist itself.
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RBINS Staff Publications 2019
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Annual (2024) taxonomic update of RNA-directed RNA polymerase-encoding negative-sense RNA viruses (realm Riboviria: kingdom Orthornavirae: phylum Negarnaviricota)
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In April 2024, following the annual International Committee on Taxonomy of Viruses (ICTV) ratification vote on newly proposed taxa, the phylum Negarnaviricota was expanded by 1 new order, 1 new family, 6 new subfamilies, 34 new genera and 270 new species. One class, two orders and six species were renamed. Seven families and 12 genera were moved; ten species were renamed and moved; and nine species were abolished. This article presents the updated taxonomy of Negarnaviricota as currently accepted by the ICTV, providing an essential annual update on the classification of members of this phylum that deepen understandings of their evolution, and supports critical public health measures for virus identification and tracking.
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RBINS Staff Publications 2025
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The new stick insect genus Pterulina gen. nov., a second winged Clitumninae genus from Vietnam with a new combination and a new species (Phasmida, Phasmatidae, Clitumninae, Clitumnini)
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RBINS Staff Publications 2020
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DIGIT-KEY: an aid towards uniform 2D+ and 3D digitisation techniques within natural history collections
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Natural History institutes hold an immense number of specimens and artefacts. For years these collections were not accessible online, remaining inaccessible to researchers from far away and hidden from the general public. Large digitisation projects and cross-institutional agreements aim to bring their collections into the digital era, such as the SYNTHESYS+ project and the Distributed System of Scientific Collections (DiSSCo) Research Infrastructure. As specimens are 3D physical objects with different characteristics many techniques are available to 3D digitise them. For inexperienced users this can be quite overwhelming. Which techniques are already well tested in other institutions and are suitable for a specific specimen or collection? To investigate this, we have set up a dichotomous identification key for digitisation techniques: DIGIT-KEY, (https://digit.naturalheritage.be/digit-key). For each technique, examples used in SYNTHESYS+ Institutions are visualised and training manuals provided. All information can be easily updated and representatives can be contacted if necessary to request more information about a certain technique. This key can be helpful to achieve comparable results across institutions when digitising collections on demand in future DiSSCo research initiatives coordinated through the European Loans and Visits System (ELViS) for Virtual and Transnational Access. A correction has been published: Brecko J., Mathys A., Chatzinikolaou E., Keklikoglou K., Blettery J., Green L., Musson A., Paton A., Phillips S., Bastir M., Wiltschke K., Rainer H., Kroh A., Haston E. & Semal P. 2025. DIGIT-KEY: an aid towards uniform 2D+ and 3D digitisation techniques within natural history collections — Corrigendum. European Journal of Taxonomy 981: 306–307. https://doi.org/10.5852/ejt.2025.981.2841
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RBINS Staff Publications 2025
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A note on the genus Rugosophysis Komiya & Drumont, 2008 (Contribution to the knowledge of Indonesian Prioninae - 1) (Coleoptera, Cerambycidae, Prioninae)
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RBINS Staff Publications 2024
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A new Antarctic species of Orchomenella G.O. Sars, 1890 (Amphipoda: Lysianassoidea: Tryphosidae): is phasecontrast micro-tomography a mature technique for digital holotypes?
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RBINS Staff Publications 2023
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Phylogenomics and biogeography of sawflies and woodwasps (Hymenoptera, Symphyta)
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RBINS Staff Publications 2024
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An Overlooked Group of Citizen Scientists in Non-Indigenous Species (NIS) Information: Shell Collectors and Their Contribution to Molluscan NIS Xenodiversity
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RBINS Staff Publications 2024