5 Works

Data from: Species and genetic diversity are not congruent in fragmented dry grasslands

Christoph Reisch & Christoph Schmid
Biological diversity comprises both species diversity (SD) and genetic diversity (GD) and it has been postulated that both levels of diversity depend on similar mechanisms. Species-genetic diversity correlations (SGDC) are, therefore, supposed to be generally positive. However, in contrast to theory, empirical data are contradictory. Furthermore, there is a pronounced lack of multispecies studies including also the ecological factors potentially driving species and genetic diversity. We analysed the relationship between the species diversity of dry...

Data from: Stress and early experience underlie dominance status and division of labour in a clonal insect

Abel Bernadou, Lukas Schrader, Julia Pable, Elisabeth Hoffacker, Karen Meusemann & Juergen Heinze
Cooperation and division of labour are fundamental in the “major transitions” in evolution. While the factors regulating cell differentiation in multicellular organisms are quite well understood, we are just beginning to unveil the mechanisms underlying individual specialization in cooperative groups of animals. Clonal ants allow studying which factors influence task allocation without confounding variation in genotype and morphology. Here, we subjected larvae and freshly hatched workers of the clonal ant Platythyrea punctata to different rearing...

Data from: A hormone-related female anti-aphrodisiac signals temporary infertility and causes sexual abstinence to synchronize parental care

Katharina C. Engel, Johannes Stökl, Rebecca Schweizer, Heiko Vogel, Manfred Ayasse, Joachim Ruther & Sandra Steiger
The high energetic demand of parental care requires parents to direct their resources towards the support of existing offspring rather than investing into the production of additional young. However, how such a resource flow is channelled appropriately is poorly understood. In this study, we provide the first comprehensive analysis of the physiological mechanisms coordinating parental and mating effort in an insect exhibiting biparental care. We show a hormone-mediated infertility in female burying beetles during the...

Data from: From inside to outside and back again: changing waste dump formation, defecation and worker localization in a clonal ant

A. Bernadou, T. J. Czaczkes & J. Heinze
Reproductive division of labor is a defining feature of all eusocial organisms. In the eusocial insects, non-reproductive labor is often also divided into safe tasks within the nest, such as nursing, and risky extranidal tasks, such as scouting and foraging. Within-nest (intranidal) tasks are usually performed by younger workers while older workers forage outside. This temporal specialization can be delayed, accelerated or even reversed if the need arises. Here, we studied reversion in the clonal...

Data from: A journey on plate tectonics sheds light on European crayfish phylogeography

Lucian Pârvulescu, Jorge L. Pérez-Moreno, Cristian Panaiotu, Lucian Drăguț, Anne Schrimpf, Ioana‐Diana Popovici, Claudia Zaharia, András Weiperth, Blanka Gál, Christoph D. Schubart & Heather Bracken-Grissom
Crayfish can be used as model organisms in phylogeographic and divergence time studies if reliable calibrations are available. This study presents a comprehensive investigation into the phylogeography of the European stone crayfish (Austropotamobius torrentium) and includes samples from previously unstudied sites. Two mitochondrial markers were used to reveal evolutionary relationships among haplogroups throughout the species’ distributional range and to estimate the divergence time by employing both substitution rates and geological calibration methods. Our haplotype network...

Registration Year

  • 2018
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Affiliations

  • University of Regensburg
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  • University of Münster
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  • University of Koblenz and Landau
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  • University of Freiburg
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  • Florida International University
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  • Max Planck Institute for Chemical Ecology
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  • University of Bucharest
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  • Danube Research Institute
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  • University of Ulm
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  • West University of Timişoara
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