The Biology of Steninae

Betz, Oliver; Koerner, Lars; Dettner, Konrad

doi:10.1007/978-3-319-70257-5_11

Cited by 20 publications

(21 citation statements)

References 99 publications

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“…In terms of their elevational occurrence, niche breadth was referred to the four elevation classes defined above. With respect to their habitat preference, niche breadth was applied to the following habitat types typical for Steninae ecomorphs as determined in earlier studies (reviewed in Betz et al 2018): (1) bare or sparsely grown over (sandy or muddy) ground on stream banks, (2) litter layer and debris, (3) shrub-like and grassy vegetation, and (4) sprinkled (mossy) rocks and dead logs in streams and waterfalls. Whereas habitat types (2) and (3) were abundant across the entire elevation gradient, types (1) and (4) continuously decreased in abundance with higher elevations.…”

Section: Discussionmentioning

confidence: 99%

“…The Steninae is a subfamily within the Staphylinidae (rove beetles) and contains only two genera, i.e., Stenus Latreille 1797 and "Dianous" 1 Leach 1819. The biology of Steninae has recently been reviewed in Betz et al (2018). With about 3000 species, Stenus is one of the largest beetle genera on earth and is distributed worldwide, except for New Zealand (Puthz 1971).…”

Section: Studied Organismsmentioning

confidence: 99%

“…Such patterns presumably have superimposed the overall radiation of Steninae into defined ecomorphs associated with the four major habitat types (i.e., bare ground, litter, vegetation, waterfalls) (cf. Betz et al 2018); they open an approach toward more detailed considerations of the local and regional phylogeographic patterns involved in Steninae evolution. licence, and indicate if changes were made.…”

Section: Aim 4: Niche Breadth As a Predictor For Range Sizementioning

confidence: 99%

“…Moreover, many "Dianous" species seem to be closely associated with (4) waterfalls and mountain rivers. In addition, certain ecomorphs can be distinguished because they correlate with these habitats in terms of their morphology (reviewed in Betz et al 2018).…”

Section: Introductionmentioning

confidence: 99%

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Elevational gradients of species richness, community structure, and niche occupation of tropical rove beetles (Coleoptera: Staphylinidae: Steninae) across mountain slopes in Northern Thailand

Betz

Srisuka²,

Puthz³

2020

Evol Ecol

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We evaluated patterns of species richness, heterogeneity, niche occupation, and community structuring/similarity of staphylinid beetles of the subfamily Steninae across a 2500-m elevational gradient of a tropical mountain area in Northern Thailand. Predaceous Steninae were collected from a variety of habitat types. Increasing Sørensen dissimilarity with increasing elevation was explained by both species turnover (especially across the lower elevational zones) and declining numbers of species (especially across elevations > 1400 m). Unlike the strong decline of the number of species with increasing elevation, species density (i.e., total number of species divided by the number of collection sites at the respective elevational zone) showed a much smoother decline suggesting that the negative gradient in the number of species was superimposed by a land-area effect inherent in mountain shape. In both the litter-inhabiting species and waterfall-associated species, the numbers of species showed a mid-elevational peak. Species frequency was positively correlated to both elevational ("Dianous" and Stenus) and habitat niche width (Stenus only). Stenus showed high interspecific variety of wide to narrow niche widths for both elevation and habitat. Numbers of Palearctic and Oriental species deviated from statistical expectation, suggesting that climate niche conservatism has played a role in their elevational distribution. The distributional patterns of "Dianous" beetles, with their strong hygrobiont preferences associated with rocks in running water and waterfalls, are potentially explained by source-sink dynamics along mountain streams.

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Section: Discussionmentioning

confidence: 99%

Section: Studied Organismsmentioning

confidence: 99%

Section: Aim 4: Niche Breadth As a Predictor For Range Sizementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Elevational gradients of species richness, community structure, and niche occupation of tropical rove beetles (Coleoptera: Staphylinidae: Steninae) across mountain slopes in Northern Thailand

Betz

Srisuka²,

Puthz³

2020

Evol Ecol

Self Cite

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“…The diversity of Stenus Latreille, 1797 is enormous. Even though nearly 3,000 species have already been described (Betz et al 2018), there are still new species to be discovered, just like the new species presented in this paper, which Volker Puthz (Schlitz) generously left to me for description. Numerous species groups have been established to replace the traditional (artificial) subgeneric concept (Puthz 2008).…”

Section: Introductionmentioning

confidence: 90%

Stenus praedator sp. nov. from the Philippines and a new species group in Stenus Latreille, 1797 (Coleoptera: Staphylinidae, Steninae)

Mainda¹

2020

Zootaxa

797

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ON–OFF Control of Marangoni Self‐propulsion via A Supra‐amphiphile Fuel and Switch

Zhu,

Zhang,

et al. 2024

Angewandte Chemie

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Marangoni self‐propulsion refers to motions of liquid or solids driven by a surface tension gradient, and has applications in soft robots/devices, cargo delivery, self‐assembly etc. However, two problems remain to be addressed for motion control (e.g., ON‐OFF) with conventional surfactants as Marangoni fuel: (1) limited motion lifetime due to saturated interfacial adsorption of surfactants; (2) in‐ situ motion stop is difficult once Marangoni flows are triggered. Instead of covalent surfactants, supra‐amphiphiles with hydrophilic and hydrophobic parts linked noncovalently, hold promise to solve these problems owing to its dynamic and reversible surface activity responsively. Here, we propose a new concept of ‘supra‐amphiphile fuel and switch’ based on the facile synthesis of disodium‐4‐azobenzene‐amino‐1,3‐benzenedisulfonate (DABS) linked by a Schiff base, which has amphiphilicity for self‐propulsion, hydrolyzes timely to avoid saturated adsorption and provides pH‐responsive control over ON‐OFF motion. The self‐propulsion lifetime is extended by 50‐fold with DABS and motion control is achieved. The mechanism is revealed with coupled interface chemistry involving two competitive processes of interfacial adsorption and hydrolysis of DABS based on both experiments and simulation. The concept of ‘supra‐amphiphile fuel and switch’ provides an active solution to prolong and control Marangoni self‐propulsive devices for the advance of intelligent material systems.

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The Biology of Steninae

Cited by 20 publications

References 99 publications

Elevational gradients of species richness, community structure, and niche occupation of tropical rove beetles (Coleoptera: Staphylinidae: Steninae) across mountain slopes in Northern Thailand

Elevational gradients of species richness, community structure, and niche occupation of tropical rove beetles (Coleoptera: Staphylinidae: Steninae) across mountain slopes in Northern Thailand

Stenus praedator sp. nov. from the Philippines and a new species group in Stenus Latreille, 1797 (Coleoptera: Staphylinidae, Steninae)

ON–OFF Control of Marangoni Self‐propulsion via A Supra‐amphiphile Fuel and Switch

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