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5,202 results for “insects”
Survey of Family Forest Owners Regarding Invasive Insects in the Connecticut River Watershed 2017
Forest insects have significant direct impacts on forest ecosystems; they are also generating new risks, uncertainties, and opportunities for forest landowners. Our research objective is to understand: (1) whether and how insect infestations are shifting land-use regimes in New England by altering human decision-making, (2) how these changes to human decisions may affect regional forest ecosystems and the provisioning of select ecosystem services, and (3) how subsequent changes to forest ecosystems, in turn, affect landowners. The dataset is a result of gathering information from a random sample of family forest owners (FFOs) in the Connecticut River Watershed; FFOs own approximately half of the private forestland in the region. We collected information on characteristics and perceptions of these FFOs as well as their intentions for their land if faced with the presence or threat of invasive forest insects. To better understand FFO intentions, contingent behavior questions populate the conjoint analysis format of the questionnaire. These are the foundational data that form our further efforts to simulate the impacts of insect dynamics and landowner behavior on regional forest ecosystems, including forest carbon stores, forest structure and composition, and timber yields. One of our overarching hypotheses is that forest land-use change in response to insects will have greater near-term ecological consequences than climate change or insects by themselves.
Environmental, Taxonomic, and Stable Isotope Data from Aquatic Insects sampled from Beaver-Engineered Headwater Streams (Adirondack Park, NY; 2024).
This data package contains environmental and biological data from a field study examining aquatic insect assemblage composition and basal resource use in beaver-engineered headwater streams in Adirondack Park, New York. Data was collected from six streams across two watersheds; the Oswegatchie River Watershed and Upper Hudson River Watershed. Three streams were sampled within the Oswegatchie River Watershed; East Creek, Sucker Brook, and Chair Rock Creek located near the Cranberry Lake Biological Station in St. Lawrence County. Three streams were sampled from the Upper Hudson River Watershed; Big Sucker Brook, Little Sucker Brook, and Panther Brook located near SUNY ESF’s Newcomb Campus in Essex County. Site conditions were characterized using densiometer measurements of canopy cover, visual assessments of substrate composition, and river discharge measurements collected with an OTT MF Pro flow meter. Aquatic insect assemblages were sampled using multihabitat active sampling and Hester–Dendy and leaf-bag passive samplers, with specimens identified to genus and assigned to functional feeding groups. Carbon and nitrogen stable isotopes were analyzed for a subset of insect taxa and three basal resource pools; coarse particulate organic matter (CPOM), fine particulate organic matter (FPOM), and periphytic algae. The Bayesian mixing model MixSIAR was used to estimate the proportional contribution of these primary sources to aquatic insect biomass. All data was collected between June and August 2024.
CGP01 Gall-insect densities on selected plant species in watersheds with different fire frequencies
Long-term monitoring of gall-insect densities on Solidago canadensis, Vernonia baldwinii, and Ceanothus herbaceous. Gall abundances are censused in watersheds burned at one- to twenty- year intervals to asses the role of fire frequency and time since fire on gall-insect population dynamics. The data sets contain the following: Watershed fire frequency, number of growing seasons since last fire, plant species, number of galled stems, and number of censused stems. Censuses conducted for the 1989-1996 growing seasons except 1992 and 1994, next scheduled census is fall 1997.
Canterbury Museum (CMNZ) collection insect specimen-plant flower interactions
<p>This dataset compromises insect-plant flower interactions recorded from the entomology collections of Canterbury Museum, New Zealand (CMNZ). All invertebrate records were extracted from the Museum Vernon database. This included field collection metadata indicating if an insect and plant flower interaction had occurred. A large proportion of records are specimens collected as part of research by Richard Primack in the 1970s, from insects collected from flowering inflorences. Data was cleaned using OpenRefine v.3.6.2. Insect and plant names were reconciled using the GlobalNames extension in OpenRefine. Data was prepared for submission to the Global Biotic Interaction (GloBI) network.</p> <p>This data makes part of a paper submission to the Journal of Applied Entolomolgy Call for Papers on neglected insects pollinators. If accepted this publication will be linked to this dataset.</p> <p>This version included name updates for insect species, spreadsheet data used to produce summary statistics for the manuscript submission and the README file.</p>
Data for: "Continental-scale patterns in diel flight timing of high-altitude migratory insects"
<p>This dataset contains the proportional migratory insect intensity and traffic data used in Haest <em>et al.</em> (2024) to quantify patterns in diel flight periodicity of migratory insects between 50-500m above ground level during March-October 2021 using a network of seventeen vertical-looking radars across Europe. Please see the Materials and Methods section in Haest <em>et al.</em> (2024) for more details on the dataset. </p>
International Non-native Insect Establishment Data
<p><span>These data list individual non-native insect species established in nine regions around the globe (New Zealand, South Korea, Japan, Okinawa, Ogasawara, Europe, Great Britain, North America (north of Mexico), Hawaii, Galapagos, Chile and South Africa). Taxonomy, attributes and occurrences for each taxa are included, as well as a source table which can be used to find more details on occurrences. </span></p> <p><span>This dataset was assembled from various sources by an interdisciplinary scientific working group funded by the National Socio-Environmental Synthesis Center. See the main source references in the References metadata section for this publication.</span></p> <p><span>Data have been cleaned of most typographic and taxonomic errors using the code in the R package insectcleanr: Initial release (DOI: 10.5281/zenodo.4555787), which is based on the Global Biodiversity Information Facility (GBIF) taxonomic backbone (GBIF Secretariat (2021). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2022-02-09, i.e. the </span><a href="https://doi.org/10.15468/43g7-9874"><span>https://doi.org/10.15468/43g7-9874</span></a><span> backbone).</span></p> <p><em>DISCLAIMER: This dataset is provisional. Although these data have been subjected to review and the dataset is substantially complete, the authors reserve the right to revise the data pursuant to further analysis and review. There may be remaining errors, and additions and removals of data in future updates may occur. Neither the University of Maryland, U.S. Government, Scion, nor any of their employees, contractors, or subcontractors, make any warranty, express or implied, nor assume any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, nor represent that its use would not infringe on privately owned rights.</em></p>
Interactions between bats and agricultural insect pests worlwide
<p>This database illustrates the interactions between bats and agricultural insect pests detected conducting a systematic review in October 2022, entitled "<strong>Pest suppression by bats and management strategies to favour it: a global review</strong>", to be published in the journal Biological Reviews.</p> <p>Methodology applied:</p> <p>We compiled a comprehensive list of agricultural insect pests occurring in temperate and tropical regions. Since no more recent public documents or published lists were available, we extracted the main agricultural insect pests cited in Hill (1983, 1987). Note that species might be considered pests in certain regions while not in others, meaning that this comprehensive list will need careful review by entomologists and local or regional experts for use in agricultural management.</p> <p>We assembled a first list of 1,237 insect pest species or genera extracted from Hill (1987, 1983). We then conducted a literature search in the ISI Web of Science using the R package wosr. We searched for any indexed document containing the following terms in the topic field: "pest species name" AND "bat*", where ‘pest species name’ refers to each of the 1237 species. After the first check of the articles found, we added 562 new pest species to the first list, which were not included in Hill (1987, 1983), but were mentioned in the papers found. Thus, the updated list consisting of 1799 insect pest species was used again to perform the same literature search with the R package wosr. In addition, we also performed three literature searches including the following terms: (i) "bat" or "bats", "diet*", and "insect*"; (ii) "bat" or "bats", "predat*", and "insect*"; (iii) "bat" or "bats", "diet*", and "arthropod*". We identified a total of 1125 articles, of which we retained only those that identified bat prey at the genus or species level (N = 95).</p> <p>Predator - prey interactions were extracted from the articles reviewed and added in this data set, showing each bat species with the insect pest species it consumed, as well as the method used to confirm predation.</p>
Visual survey of insect communities on Iva frutescens in summer 2013 and 2014 on Sapelo Island, Georgia
Visual surveys were conducted in summer 2013 and 2014 to record the insect fauna that occurred on patches of Iva frutescens. Forty-four patches of Iva frutescens at three locations on Sapelo Island, Georgia, were marked for repetitive surveys. Thirty-eight of these patches were sampled in 2014. The patches were visually surveyed every three days from May 29 - June 15, 2013, and from June 1 - July 29, 2014, and the taxon and abundance of insects were recorded. This submission contains three data tables: 1. Insect fauna of Iva patches in 2013. This data set includes observations of 44 patches on 6 sampling dates, and includes Armases crab data. 2. Insect fauna of Iva patches in 2014. This data set includes observations of 38 patches on 20 sampling dates. 3. Structure of Iva patches on Sapelo Island in 2013. This data set contains the dimensions (Length, Width, Height) and surrounding environments of the Iva patches that were surveyed in 2013. The GPS locations of the patches were measured in 2014.
Statistical analysis and dataset for: A high-throughput and sensitive method for food preference assays in walking insects
<p>Linked to the journal article published in bioRxiv (https://doi.org/10.1101/2024.04.10.588882).</p> <p><em><strong>Abstract</strong></em></p> <p>Insects pose significant challenges in both pest management and ecological conservation. Often, the most effective strategy is employing toxicant-laced baits, which must also be designed to specifically attract and be preferred by the targeted species for optimal species-specific effectiveness. However, traditional methods for measuring bait preference are either non-comparative, meaning that most animals only ever taste one bait, or suffer from methodological or conceptual limitations. Here we demonstrate the value of direct comparison food preference assays using the invasive and pest ant <em>Linepithema humile </em>as a model. We compare the food preference sensitivity of non-comparative (one visit to a food source) and sequential comparative (visiting one type of food then another) assays at detecting low levels of aversive quinine in sucrose solution. We then introduce and test a novel dual-choice feeder method for simultaneous comparative evaluation of bait preferences, testing its effectiveness in discerning between foods with varying quinine or sucrose levels. While the non-sequential assay could not detect aversion to 1.25mM quinine in 1M sucrose, the sequential comparative approach detected aversion to quinine levels as low as 0.94mM. The novel dual feeder method approach could detect aversion to quinine levels as low as 0.31mM, and also preference for 1M sucrose over 0.75M sucrose. The dual-feeder method, combines the sensitivity of comparative evaluation with high throughput, ease of use, and avoidance of interpretational issues. This innovative approach offers a promising tool for rapid and effective testing of bait solutions, contributing to the development of targeted control strategies. Moreover, the method can be easily modified for application to a wide range of walking insects, such as cockroaches, crickets, and beetles.</p>
Arctic specimens in the NHMO Insect collection 2022 - Jan Mayen
<p>Arctic specimens from Jan Mayen in the NHMO Insect collection as of August 2022. See Johannessen et al. 2023 "Arctic specimens in the zoological collections at the Natural History Museum, University of Oslo, Norway (NHMO)" for further details.</p>
* Arctic specimens in the NHMO Insect collection 2022 - Svalbard
<p>Arctic specimens from Svalbard in the NHMO Insect collection as of August 2022. See Johannessen et al. 2023 "Arctic specimens in the zoological collections at the Natural History Museum, University of Oslo, Norway (NHMO)" for further details.</p>
Dataset: Relation of pest insect-killing and soilborne pathogen-inhibition abilities to species diversification in environmental Pseudomonas protegens
<p>This dataset is related to "<em>Relation of pest insect-killing and soilborne pathogen-inhibition abilities to species diversification in environmental Pseudomonas protegens</em>" and contains all the data obtained from insect experiments and plant-pathogen inhibition assays, as well as the code used for phylogenetic and Biolog anaylsis. </p>
A bite force database of 654 insect species
<p>The insect bite force database as described in Rühr et al. (<strong>accepted</strong>): A bite force database for 654 insect species. doi: <a href="https://doi.org/10.1038/s41597-023-02731-w">1038/s41597-023-02731-w</a>.</p><p>The code used to convert the raw measurements to the final database and to create all tables and figures of the original publication can be found on its <a href="https://github.com/Peter-T-Ruehr/InsectBiteForceDatabase">GitHub Page</a> (under release <a href="https://github.com/Peter-T-Ruehr/InsectBiteForceDatabase/releases/tag/v1.0.0">v1.0.0</a>).</p>
Floral Censuses and Surveys of Insect Visitors to Flowers, University of Michigan Biological Station, Summers 1984-1986
I investigated within- and between-year patterns of flowering phenology of plants and the insects that visited them in an isolated old field in northern Michigan, USA. The project goal was to document the dynamics of resource availabilty (each floral species produced nectar and/or pollen) and assess the implications of its temporal variation on the composition of the community of insects that exploited those resources. I censued the number of open flowers for each species in 50 4-m2 quadrats at 3- 5-day intervals from June-September 1984-1986, and in separate but contemporaneous surveys of the same quadrats recorded each insect species observed on any open flower. Census and survey details noted below.
Freshwater insect occurrences and traits for the contiguous United States, 2001 - 2018
Freshwater insects comprise 60% of the diversity of freshwater animals and are essential indicators of ecosystem health. Yet our knowledge of the distribution of freshwater insect diversity in the United States is incomplete because we lack comprehensive data on freshwater insect distributions and traits at a continental scale. We fill this knowledge gap by presenting a database of occurrence records and functional traits for freshwater insects in the contiguous US. We compiled over 2.05 million genus occurrence records for 932 genera in the major freshwater insect orders, at 51,044 stream locations sampled between 2001 and 2018 by federal and state biological monitoring programs. We assembled life history, dispersal, morphology, and ecology traits from existing databases, scientific books, and the primary literature, and present traits and trait affinities for 1,072 insect genera. Our freshwater insects CONUS database can be used to map freshwater insect taxonomic and functional diversity, and when paired with environmental data, will provide a powerful resource for quantifying how the environment shapes diversity patterns as well as taxon-specific distributions across the contiguous US.
Aquatic and terrestrial insect activity phenology with trap collections at the Andrews Experimental Forest, 2009-2014
This study was designed to evaluate the influence of microclimatic heterogeneity, associated with complex terrain, on phenology and to evaluate potential trophic responses to scenarios of climate change, disturbance and land use. We focus on a simplified model trophic system involving vascular plants, terrestrial and aquatic insects, and migratory neotropical and resident birds. The model trophic system is interesting because the phenologies of different components in the model system are independent (cued by various abiotic drivers) and dependent (due to trophic interactions), potentially leading to complex system behaviors. Plant and poiklothermic animal (ex. invertebrates) phenologies are highly temperature dependent. Phenologies of terrestrial plants and invertebrates would therefore likely exhibit wide spatial and temporal variation across the landscape in response to temperature variation associated with elevational differences, cold air drainages patterns, and temperature inversions. Aquatic invertebrate phenologies are also tied to temperature, but stream temperatures are influenced by different factors than those driving air temperatures and they may be less sensitive to complex terrain. For the invertebrate part of this study, we are examining spring-time (April through June) flying (terrestrial and adult aquatic) insect activity and adult aquatic insect emergence across a range of sites in the HJ Andrews Experimental Forest. Flying insect activity will be assessed using malaise traps deployed at 16 sites ranging from 450m to over 1300m in elevation, and with a variety of forest stand ages and slope aspects. Emerging aquatic insects will be collected with emergence traps in six 1st to 2nd order streams ranging from 450m to 1000m in elevation, and differing in water source (spring vs run-off) and surrounding forest age. Insects from malaise traps will be identified to varying levels from order to genus, depending on the group and available keys. Adult aquat
Data and code from "Black-throated blue warblers (Setophaga caerulescens) exhibit diet flexibility and track seasonal changes in insect availability" Kaiser et al. 2024 Ecology and Evolution
Changes in leaf phenology from warming spring and autumn temperatures have lengthened the temperate zone growing ‘green’ season and breeding window for migratory birds in North America. However, the fitness benefits of an extended breeding season will depend, in part, on whether species have sufficient dietary flexibility to accommodate seasonal changes in prey availability. We used fecal DNA metabarcoding to test the hypothesis that seasonal changes in the diets of the insectivorous, migratory black-throated blue warbler (Setophaga caerulescens) track changes in the availability of arthropod prey at the Hubbard Brook Experimental Forest, New Hampshire, USA. We examined changes across the breeding season and along an elevation gradient encompassing a two-week difference in green season length. From 98 fecal samples, we identified 395 taxa from 17 arthropod orders; 242 were identified to species, with Cecrita guttivitta (saddled prominent moth), Theridion frondeum (eastern long-legged cobweaver), and Philodromus rufus (white-striped running crab spider) occurring at the highest frequency. We found significant differences in diet composition between survey periods and weak differences among elevation zones. Variance in diet composition was highest late in the season, and diet richness and diversity were highest early in the season. Diet composition was associated with changes in prey availability surveyed over the green season. However, several taxa occurred in diets more or less than expected relative to their frequency of occurrence from survey data, suggesting that prey selection or avoidance sometimes accompanies opportunistic foraging. This study demonstrates that black-throated blue warblers exhibit diet flexibility and track seasonal changes in prey availability, which has implications for migratory bird responses to climate-induced changes in insect communities with longer green seasons. These data were gathered as part of the Hubbard Brook Ecosystem Study (HB
Insect Population Dynamics on the Main Cropping System Experiment at the Kellogg Biological Station, Hickory Corners, MI (1989 to 2019)
Dataset Abstract Plant dwelling insect occurrence in the LTER main site (all treatments) of the KBS-LTER has been recorded since 1989 and in the successional and forest sites since 1993. The effort has focused on characterizing the temporal and spatial abundance and diversity of a set of insects representative of a higher order insect trophic level, the herbivore predators. The insect database contains more than 400,000 records and consists of counts of adult insects of fourteen species of Coccinellidae, one species of Chrysopidae, and one species of Lampyridae from 30 sample sites in each of the seven treatments in the LTER Main Site. The standard method used to measure these organisms is a yellow sticky trap. Sampling is conducted weekly during the growing season as described in the sampling protocol. original data source http://lter.kbs.msu.edu/datasets/26
Leaf Litter Decomposition Experiment in QPA and QPB – Insects - 2019
Macroinvertebrates collected from Tabonuco leaf packs associated with 50-day in-situ leaf litter decomposition experiment from 2019-07-1 – 2019-08-20 in Quebrada Prieta A and Quebrada Prieta B. This data may be used to examine insect colonization of leaf packs within streams. Support for this work was provided by grants BSR-8811902, DEB-9411973, DEB-9705814 , DEB-0080538, DEB-0218039 , DEB-0620910 , DEB-1239764, DEB-1546686, and DEB-1831952 from the National Science Foundation to the University of Puerto Rico as part of the Luquillo Long-Term Ecological Research Program. Additional support provided by the University of Puerto Rico and the International Institute of Tropical Forestry, USDA Forest Service.
Transverse Orientation in Insects
<p>English version: <br> (veja Português em seguida)</p> <p>Transverse orientation is the process by which insects can fly keeping a constant angle relative to a distant light source, such as the moon. This helps them to flight at a straight line. Unnatural sources of light, such as a bulb, are too close so that there are substantial changes in the angular relationship between the light source and the direction of flight. By instinctively trying to keep constant the angle of their direction of flight, insects would end up describing a spiral flight towards the light bulb. Here I present a drawing (in *.pdf, *.png, and *.svg formats) to illustrate this process. For a comprehensive discussion on this process of orientation in moths, see Franks (2006, Effects of artificial night lighting on moths, in: Rice and Longcore [eds] Ecological consequences of artificial night lighting ISSBN 1–55963–128–7).<br> <br> Versão em Português<br> A orientação transversal é o processo pelo qual os insetos voam mantendo um ângulo constante em relação a uma fonte de luz distance, tal como a lua. Isso guarante um voo em linha reta. Uma fonte não natural de luz, como por exemplo uma lâmpada, estão relativamente muito próximas. Isso implica que a cada ponto da trajetória do inseto, haverá mudanças significativas na relação angular entre a direção do voo e a fonte de luz. Ao tentar instintivamente corrijir o curso mantendo uma angulação constante, o inseto acaba voando numa espiral que o direciona à lâmpada. Aqui apresento um desenho (em *.pdf, *.svg e *.png) que ilustra este processo. Para uma discussão detalhada do processo de orientação em mariposas, veja Franks (2006, Effects of artificial night lighting on moths, in: Rice and Longcore [eds] Ecological consequences of artificial night lighting ISSBN 1–55963–128–7).</p>
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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.