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155 results for “Herbivorous insect”
Data from: Use of an exotic host plant reduces viral burden in a native insect herbivore
<p>Incorporation of exotic plants into the diets of native herbivores is a common phenomenon, influencing interactions with natural enemies and providing insight into the tritrophic costs and benefits of dietary expansion. We evaluated how use of an exotic plant, <em>Plantago lanceolata</em>, impacted immune performance, development, and susceptibility to pathogen infection in the neotropical herbivore<em> Anartia jatrophae</em> (Lepidoptera: Nymphalidae). Caterpillars were reared on <em>P. lanceolata</em> or a native plant, <em>Bacopa monnieri</em>, and experimentally infected with a pathogenic virus, Junonia coenia densovirus. We found that virus-challenged herbivores exhibited higher survival rates and lower viral burdens when reared on <em>P. lanceolata</em> compared to <em>B. monnieri</em>, though immune performance and development time were largely similar on the two plants. These findings reveal that use of an exotic plant can impact the vulnerability of a native herbivore to pathogen infection, suggesting diet-mediated protection against disease as a potential mechanism facilitating the incorporation of novel resources.</p>
Urban environments have species-specific associations with invasive insect herbivores
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Native and non-native insect herbivores associated with native and non-native European trees
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Intraspecific variation in plant economic traits predicts trembling aspen resistance to a generalist insect herbivore
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Data from: novel associations among insect herbivores and trees: drivers of occurrence and damage on pines and eucalypts
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Data from: Use of an exotic host plant reduces viral burden in a native insect herbivore
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Insect herbivore damages on white spruce growing in plantations and naturally regenerated under-canopy forest stands
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Data for: Simulating effects of agricultural intensification and climate change: Nitrogen fertilization and drought stress decrease insect herbivore performance
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Data from: Endemism in Wyoming plant and insect herbivore communities during the early Eocene hothouse
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Population-specific responses of an insect herbivore to variation in host-plant quality
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Predation and parasitism on herbivorous insects change in opposite directions in a latitudinal gradient crossing a boreal forest zone
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Data from: Insect herbivory and herbivores of Ficus species along a rainforest elevational gradient in Papua New Guinea
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The PtrRZFP4-PtrJAZ2 module regulates the jasmonic acid signaling pathway involved in the interaction between poplar and herbivorous insects
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Biomechanical components of the plant-insect herbivore arms race: A model test in leaf-cutter ants
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Data from: Genotypic variation in plant traits shapes herbivorous insect and ant communities on a foundation tree species
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Data for: Plant and herbivorous insect communities respond in complex ways to rainfall manipulation in an oak savanna grassland
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Data from: Intraspecific variation in host plant traits mediates taxonomic and functional composition of local insect herbivore communities
<p class="abstract_para">Host plant phenotypic traits affect the structure of the associated consumer community and mediate species interactions. We compare herbivore assemblages from the canopy of the phenotypically variable tree <em class="fi">Metrosideros polymorpha</em> on Hawai'i Island. Multiple distinct varieties of <em class="fi">M. polymorpha</em> frequently co‐occur, with variation in morphological traits. Using this system, we identify host and insect traits that underlie patterns of herbivore abundance and quantify the strength of host‐insect trait interactions.</p> <p class="abstract_para">The dataset includes host plant phenotypic traits (specific leaf area, leaf water content, foliar nutrients, trichome presence), as well as collection information. The dataset also contains the herbivorous insect community associated with this host plant, their abundances and life history traits. R code for analyses in this article is also included.</p>
Data from: The global distribution of diet breadth in insect herbivores
Understanding variation in resource specialization is important for progress on issues that include coevolution, community assembly, ecosystem processes, and the latitudinal gradient of species richness. Herbivorous insects are useful models for studying resource specialization, and the interaction between plants and herbivorous insects is one of the most common and consequential ecological associations on the planet. However, uncertainty persists regarding fundamental features of herbivore diet breadth, including its relationship to latitude and plant species richness. Here we use a global dataset to investigate host range for over 7,500 insect herbivore species covering a wide taxonomic breadth and interacting with more than 2,000 species of plants in 165 families. We ask whether relatively specialized and generalized herbivores represent a dichotomy, rather than a continuum from few to many host families and species attacked, and whether diet breadth changes with increasing plant species richness towards the tropics. Across geographic regions and taxonomic subsets of the data, we find that the distribution of diet breadth is fit well by a discrete, truncated Pareto power law characterized by the predominance of specialized herbivores and a long, thin tail of more generalized species. Both the taxonomic and phylogenetic distributions of diet breadth shift globally with latitude, consistent with a higher frequency of specialized insects in tropical regions. We also find that more diverse lineages of plants support assemblages of relatively more specialized herbivores, and that the global distribution of plant diversity contributes to, but does not fully explain, the latitudinal gradient in insect herbivore specialization.
Data from: A comparison of clearfelling and gradual thinning of plantations for the restoration of insect herbivores and woodland plants
1. Testing restoration methods is essential for the development of restoration ecology as a science. It is also important to monitor a range of taxa, not just plants which have been the traditional focus of restoration ecology. Here we compare the effects on ground flora and leaf-miners, of two restoration practices used when restoring conifer plantations. 2. Two methods of restoration were investigated: clearfelling of plantations and the gradual thinning of conifers over time. Unrestored plantations and native broad-leaved woodlands were also surveyed, these representing the starting point of restoration and the reference community respectively. The study sites consist of two forest types (acidic Quercus woodland and mesotrophic Fraxinus woodland) enabling us to compare the two restoration methods in different habitat types. We use a well-replicated, large-scale study system consisting of 32 woodland plots, each 2 ha in size. 3. There were 179 plant species identified in the plots. Clearfelled plots had greater overall ground flora species richness than other management regimes (thinned, unrestored plantation and native woodland), but the richness of woodland plant species did not differ between clearfelled, thinned, native woodland and unrestored plantation plots. 4. More than 10 000 leaf-miners comprising 122 species were collected. Increased plant species richness was associated with increased leaf-miner species richness under all management regimes except clearfelled plots. 5. Forest type did not affect the response to restoration method, i.e. there was no interaction between management regime and forest type for any of the variables measured. 6. Synthesis and applications. Our results suggest that both the clearfelling and gradual thinning approaches to plantation restoration maintain woodland ground flora species. Either method can be used without detriment to woodland ground flora species richness. However, these methods differed in their effects on the leaf-miner–plant species richness relationship. If increasing invertebrate herbivore species richness is a concern the gradual thinning approach is more appropriate.
Data from: Evolutionary dynamics of specialisation in herbivorous stick insects
Understanding the evolutionary dynamics underlying herbivorous insect mega-diversity requires investigating the ability of insects to shift and adapt to different host plants. Feeding experiments with nine related stick insect species revealed that insects retain the ability to use ancestral host plants after shifting to novel hosts, with host plant shifts generating fundamental feeding niche expansions. These expansions were however not accompanied by expansions of the realized feeding niches, as species on novel hosts are generally ecologically specialized. For shifts from angiosperm to chemically challenging conifer hosts, generalist fundamental feeding niches even evolved jointly with strong host plant specialization, indicating that host plant specialization is not driven by constraints imposed by plant chemistry. By coupling analyses of plant chemical compounds, fundamental and ecological feeding niches in multiple insect species, we provide novel insights into the evolutionary dynamics of host range expansion and contraction in herbivorous insects.
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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.