To fly or not to fly: Factors influencing the flight capacity of carabid beetles (Coleoptera: Carabidae)

Venn, Stephen

doi:10.14411/eje.2016.079

Cited by 35 publications

(15 citation statements)

References 74 publications

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“…Yet interestingly, flightless Carabidae showed smaller positive changes in mixed forests and negative (i.e., opposite) changes in deciduous broadleaf forests. Newer populations of Carabidae are typically dominated by flight-capable species, whereas established populations include more flightless species (Venn, 2016). The superior dispersal ability of flight-capable Carabidae means that they are able to colonise new habitat and establish populations more successfully (Perry et al, 2020).…”

Section: Beetles Most At Riskmentioning

confidence: 99%

Climate‐driven divergent long‐term trends of forest beetles in Japan

et al. 2022

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Concerning declines in insect populations have been reported from Europe and the United States, yet there are gaps in our knowledge of the drivers of insect trends and their distribution across the world. We report on our analysis of a spatially extensive, 14‐year study of ground‐dwelling beetles in four natural forest biomes spanning Japan's entire latitudinal range (3000 km). Beetle species richness, abundance and biomass declined in evergreen coniferous forests but increased in broadleaf‐coniferous mixed forests. Further, beetles in evergreen coniferous forests responded negatively to increased temperature and precipitation anomalies, which have both risen over the study's timespan. These significant changes parallel reports of climate‐driven changes in forest tree species, providing further evidence that climate change is altering forest ecosystems fundamentally. Given the enormous biodiversity and ecosystem services that forests support globally, the implications for biodiversity change resulting from climate change could be profound.

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Section: Beetles Most At Riskmentioning

confidence: 99%

Climate‐driven divergent long‐term trends of forest beetles in Japan

et al. 2022

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“…Thus, it is reasonable to assume that all the sites have the same regional species pool. In addition, it must be noted that it is difficult to determine dispersal ability unambiguously for carabids because they show polymorphism in wing and wing muscle development from population to population (Venn 2016). Following Kohli et al (2018), we included four traits in our framework: traits associated with environmental filtering were species' preferences for sun exposure (forest, open land, generalist) and soil moisture (moist, dry, generalist), and traits associated with biotic interactions were species' trophic level (predator, herbivore, omnivore) and body size range (in mm).…”

Section: Statistical Analysesmentioning

confidence: 99%

Species co-occurrence networks of ground beetles in managed grasslands

2020

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Grassland biodiversity, including traditional rural biotopes maintained by traditional agricultural practices, has become threatened worldwide. Road verges have been suggested to be complementary or compensatory habitats for species inhabiting grasslands. Species co-occurrence patterns linked with species traits can be used to separate between the different mechanisms (stochasticity, environmental filtering, biotic interactions) behind community structure. Here, we study species co-occurrence networks and underlying mechanisms of ground beetle species (Carabidae) in three different managed grassland types (meadows, pastures, road verges, n = 12 in each type) in Central Finland. We aimed to find out whether road verges can be considered as compensatory to traditional rural biotopes (meadows and pastures). We found that stochasticity explained over 90% of the pairwise co-occurrences, and the non-random co-occurrences were best explained by environmental filtering, regardless of the grassland type. However, the identities and traits of the species showing non-random co-occurrences differed among the habitat types. Thus, environmental factors behind environmental filtering differ among the habitat types and are related to the site-specific characteristics and variation therein. This poses challenges to habitat management since the species’ response to management action may depend on the site-specific characteristics. Although road verges are not fully compensatory to meadows and pastures, the high similarity of species richness and the high level of shared species suggest that for carabids road verges may be corridors connecting the sparse network of the remaining traditional rural biotopes.

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“…Some spiders like linyphiids are known to frequently use ballooning for dispersal (Oleszczuk and Karg, 2012), allowing them to disperse over large areas, whereas ground-dwelling carabids, although regularly still in possession of functioning wings, appear to move on the ground as their preferred mode of more limited and targeted dispersal (Venn, 2016). This, as well as differences in their feeding habits and associated diversity of hunting approaches, mean that spiders will likely react more strongly to the configuration of the wider landscape, as also indicated by Gardiner et al (2010), 92 whereas carabids will likely respond more strongly to factors at local scale than spiders.…”

Section: Introductionmentioning

confidence: 99%

Different response patterns of epigaeic spiders and carabid beetles to varying environmental conditions in fields and semi-natural habitats of an intensively cultivated agricultural landscape

Liu

Duan

et al. 2018

Agriculture, Ecosystems & Environment

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Agricultural intensification has resulted in major losses of biodiversity due to landscape homogenization and an increasing use of agrochemicals. It has often been assumed that associated changes in environmental conditions are impacting composition and diversity of two main ground-dwelling generalist predator taxa, carabid beetles and epigaeic spiders, in similar ways. Here, we test how variations in environmental conditions at local scales (plant diversity and total soil nitrogen, N tot) and landscape-scale (mean patch size) affect species composition, richness and abundance of ground beetles and epigaeic spiders in semi-natural and cultivated habitats of an agricultural landscape. We specifically test the hypotheses that both taxa are more diverse in semi-natural than cultivated habitats, but that due to their weaker dispersal ability, ground beetles are more strongly linked to local factors than spiders. Our results indicate that in our study area, carabid diversity shows no significant difference between semi-natural habitats and cropland, while spider abundance is significantly enhanced in semi-natural habitats. N tot significantly affected carabid 22 *Manuscript Click here to view linked References species richness and abundance, but had a limited influence on spider abundances. The species composition of both carabids and spiders was influenced by plant diversity, while N tot played a significant role in determining spider assemblages but not carabid composition. There was no significant effect of the mean patch size in the surroundings landscape on either spider or carabid species. Nonetheless, in landscapes with small patch sizes, spider abundance decreased with increasing N tot , while in landscapes with large sized patches, this relationship was reversed. The differences in responses of these taxa to local and landscape-scale environmental factors suggests that scale-and taxon-specific targets need to be established to improve the efficiency of measures aimed at enhancing ecosystem services provisions by these key pest control agents.

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To fly or not to fly: Factors influencing the flight capacity of carabid beetles (Coleoptera: Carabidae)

Cited by 35 publications

References 74 publications

Climate‐driven divergent long‐term trends of forest beetles in Japan

Climate‐driven divergent long‐term trends of forest beetles in Japan

Species co-occurrence networks of ground beetles in managed grasslands

Different response patterns of epigaeic spiders and carabid beetles to varying environmental conditions in fields and semi-natural habitats of an intensively cultivated agricultural landscape

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