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1,070 results for “dung beetle”
FIGURE 5 in New species of dung beetles (Coleoptera: Scarabaeidae: Scarabaeinae) from Costa Rica and Panama
FIGURE 5. Dorsal habitus of Pedaridium bradyporum (Boucomont).
FIGURE 1 in New species of dung beetles (Coleoptera: Scarabaeidae: Scarabaeinae) from Costa Rica and Panama
FIGURE 1. Dorsal habitus of Copris tridentatus Solís & Kohlmann, sp. nov. (holotype).
FIGURE 6 in New species of dung beetles (Coleoptera: Scarabaeidae: Scarabaeinae) from Costa Rica and Panama
FIGURE 6. Dorsal habitus of Trichillum arcus Solís & Kohlmann, sp. nov. (holotype).
FIGURE 3 in New species of dung beetles (Coleoptera: Scarabaeidae: Scarabaeinae) from Costa Rica and Panama
FIGURE 3. Dorsal habitus of Onthophagus xiphias Solís & Kohlmann, sp. nov. (holotype).
Figs 1–6 in Estimation of biomass of dung beetles (Coleoptera: Scarabaeoidea) from the Russian Far East
Figs 1–6. Models of length-weight relationship and functions for a small dwellers (n=1441)
Figs 37–42 in Estimation of biomass of dung beetles (Coleoptera: Scarabaeoidea) from the Russian Far East
Figs 37–42. Models of length-weight relationship and functions for a large tunnelers
Figs 43–47 in Estimation of biomass of dung beetles (Coleoptera: Scarabaeoidea) from the Russian Far East
Figs 43–47. Models of length-weight relationship and functions for a medium tunnelers
Figs 19–24 in Estimation of biomass of dung beetles (Coleoptera: Scarabaeoidea) from the Russian Far East
Figs 19–24. Models of length-weight relationship and functions for a large dwellers
Figs 31–36 in Estimation of biomass of dung beetles (Coleoptera: Scarabaeoidea) from the Russian Far East
Figs 31–36. Models of length-weight relationship and functions for a large tunnelers
Figs 25–30 in Estimation of biomass of dung beetles (Coleoptera: Scarabaeoidea) from the Russian Far East
Figs 25–30. Models of length-weight relationship and functions for a large dwellers (figs
Figs 13–18 in Estimation of biomass of dung beetles (Coleoptera: Scarabaeoidea) from the Russian Far East
Figs 13–18. Models of length-weight relationship and functions for a medium dwellers
Figure 15 in Taxonomic review of the North American dung beetle genus Melanocanthon Halffter, 1958 (Coleoptera: Scarabaeidae: Scarabaeinae: Deltochilini)
Figure 15. Approximate distributions of species of Melanocanthon.
Dung beetles drive direct and indirect changes in ecosystem multifunctionality
<p>This project was funded by the Australian Department of Agriculture, Water and the Environment and Meat and Livestock Australia through Research through the Dung Beetles as Ecosystem Engineers (DBEE) research programme (2018–2022) managed by Charles Sturt University (grant agreement no: RnD4Profit-16-03-016). </p>
Genome evolution is associated with nutrition-responsive regulatory development in horned dung beetles
<p>The Scarabaeinae, or true dung beetles, are a hyper-diverse clade of insects of ecological, evolutionary, and agricultural significance and have long served as informative models of evolutionary ecology and development. Perhaps the most conspicuous of their unique traits are head horns, novel structures that serve as secondary sexual weapons, exhibit extraordinary developmental plasticity, and have fueled one of the most dramatic morphological radiations in the animal kingdom. In this study, we investigate the evolutionary basis for dung beetle traits - including horns - via comparative genomic and developmental assays. We present chromosome-level genome assemblies of three dung beetle species in the species-rich Onthophagini tribe (> 2500 extant species) including <em>Onthophagus taurus</em>, <em>Onthophagus sagittarius</em>, and <em>Digitonthophagus gazella</em>. Contrasting these assemblies with seven other species across the order Coleoptera identifies rapidly evolving gene families associated with metabolic regulation of developmental plasticity and metamorphosis. Intraspecific comparisons of chromatin accessibility in developing head horns of <em>O. taurus</em> identify distinct cis-regulatory architectures underlying sex- and nutrition-responsive development of this novel trait, including a large proportion of recently evolved regulatory elements sensitive to horn morph determination. Binding motifs of diverse developmental transcription factors are enriched in these nutrition-responsive open chromatin regions, including the early embryonic patterning gene <em>twist</em>. Using RNA interference (RNAi), we show <em>twist</em> has been co-opted into the beetle horn regulatory network to mediate differential horn morphogenesis in alternate male morphs via its interactions with nutrition-sensitive DNA-binding sites, highlighting the utility of this approach in identifying new developmental regulators of morphological evolution. These results demonstrate gene networks are highly evolvable transducers of environmental and genetic signals critical for the formation and diversification of developmental traits, established in part by condition-responsive chromatin accessibility. Further, this work provides new reference-quality genome assemblies of three dung beetles that will bolster future developmental, ecological, and evolutionary studies of this insect group.</p>
Data from: Vertically inherited microbiota and environment modifying behaviors conceal genetic variation in dung beetle life history
<p>Diverse organisms actively manipulate their (sym)biotic and physical environment in ways that feedback on their own development. However, the degree to which these processes affect microevolution remains poorly understood. The gazelle dung beetle both physically modifies its ontogenetic environment and structures its biotic interactions through vertical symbiont transmission. By experimentally eliminating i) physical environmental modifications, and ii) the vertical inheritance of microbes, we assess how environment modifying behavior and microbiome transmission shape heritable variation. We found that depriving larvae from symbionts and environment modifying behaviors increased additive genetic variance and heritability for development time but not body size. This suggests that larvae's ability to manipulate their environment has the potential to modify heritable variation and to facilitate the accumulation of cryptic genetic variation. This cryptic variation may become released and selectable when organisms encounter environments that alter the degree to which they can be manipulated. Furthermore, we found heritable variation for the response to the elimination of environmental modifications, indicating that genotypes differ in their dependence on the ability to manipulate their environment. Our findings highlight that the ability of organisms to actively manipulate their environment may affect the potential of populations to evolve when encountering novel, stressful conditions.</p>
Data from: Dung beetles from three primary forest sites in the Brazilian Amazon
<p><em>Scarabaeinae</em> beetles (Coleoptera: Scarabaeidae) is a high performance indicator group used in biodiversity assessment of tropical forests. As most species are coprophagous they are commonly known as dung beetles although few species may be necrophagous or saprophagous. Allied to the feeding habitat dung beetles display a complex reproductive behaviour with nests underground, and therefore act in many ecossistem services as nutrient cycling, bioturbation and secondary seed dispersal. Dung beetles display specific forraging methods, as they detect food odors through the antennas and fly towards the food resource. They are therefore captured by baited pitfall and flight interception traps, and studies have shown the complementary between these methods. However, the use of attractants can introduce additional sources of variation in trap performance. In our paper we aimed to assess the effect of bait attractiveness on assemblages metrics when sampled by baited pitfall traps. We identified species less and highly attracted to the baits in use, and that assemblages sampled with baited traps tend to lower diversity and higher dominance.</p>
Deliberately introduced dung beetles in Australia: 12 years of occurrence and abundance records from 2001 to 2022
<p>See Berson et al (2024) for a full description of the data.</p>
Dung beetle and mammal dung data across a land-use gradient in Sabah, Malaysia
<p>Dung beetle and mammal dung baited pitfall trap data across a land-use gradient from primary tropical forest to plantations in Sabah, Malaysia from February to April 2018. </p> <p>The dataset accompanies the following journal article:</p> <p>Li Yuen Chiew, Talya D. Hackett, Jedediah F. Brodie, Shu Woan Teoh<span>,</span> David F. R. P. Burslem, Glen Reynolds, Nicolas J. Deere, Charles S. Vairappan, Eleanor M. Slade<span>. </span>Tropical forest dung beetle-mammal dung interaction networks remain similar across an environmental disturbance gradient. Journal of Animal Ecology.</p> <p>This Project was funded under United Nations Development Programme (UNDP): Biodiversity Conservation in Multiple Use Forest Landscapes and the Global Environmental Facility, and co-financed by Sabah Forestry Department, Yayasan Sabah, and WWF.</p>
Fig. 68 in The Phanaeus tridens species group (Coleoptera: Scarabaeoidea): a dung beetle group with genital morphological stasis but a changing ecological niche
Fig. 68. Predicted distribution of P. eximius Bates, 1887.
Fig. 66 in The Phanaeus tridens species group (Coleoptera: Scarabaeoidea): a dung beetle group with genital morphological stasis but a changing ecological niche
Fig. 66. Predicted distribution of P. furiosus Bates, 1887 and P. pseudofurcosus Balthasar, 1939.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.