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5,202 results for “Insects”
Prairie manure application impacts on floral abundance, plant growth, plant community structure, insect and spider community abundance and activity density in experimental plots in Ames, Iowa (2021-2022).
This dataset contains results from a two-year field experiment at Iowa State University’s Horticulture Research Station to evaluate the effects of dairy manure application on native prairie plant and insect communities. We established replicated 4 m² plots across two field types, an established tallgrass prairie and a tilled crop field, and applied four manure treatments (weekly, biweekly, once per season, and control) using liquid slurry from a local dairy farm. Plant responses were monitored through weekly measurements of mortality, ground cover, floral abundance, plant height, and visual obstruction. Insect communities were sampled biweekly using vacuum suction for foliage and flower visitors and pitfall traps for ground-dwelling arthropods. Collected insects were identified to order, with Hymenoptera and Carabidae further resolved to family or genus.
Data for 'Weak latitudinal gradients in insect herbivory for dominant rangeland grasses of North America'
Data for Kent et al. Accepted manuscript in Ecology and Evolution, with abstract: Patterns of insect herbivory may follow predictable geographical gradients, with greater herbivory at low latitudes. However, biogeographic studies of insect herbivory often do not account for multiple abiotic factors (e.g. precipitation, soil nutrients) that could underlie gradients. We tested for latitudinal clines in insect herbivory as well as climatic, edaphic, and trait-based drivers of herbivory. We quantified herbivory on five dominant grass species over 23 sites across the Great Plains, USA. We examined the importance of climate, edaphic factors, and traits as correlates of herbivory. Herbivory increased at low latitudes when all grass species were analysed together and for two grass species individually, while two other grasses trended in this direction. Higher precipitation was related to more herbivory for two species but less herbivory for a different species, while higher specific root length was related to more herbivory for one species and less herbivory for a different species. Taken together, results highlight that climate and trait-based correlates of herbivory can be highly contextual and species specific. Patterns of insect herbivory on dominant grasses supports the hypothesis that herbivory increases towards lower latitudes, though weakly, and indicates that climate change may have species-specific effects on plant-herbivore interactions.
Invertebrates of the Andrews Experimental Forest: An annotated list of insects and other arthropods, 1971 to 2002
This publication is not a pro forma species list; rather, it has been generated as the result of diverse ecological studies centered on and around the Andrews Forest beginning in 1971. No attempt has been made to exhaustively collect the area with methodologies appropriate to each invertebrate group. This list provides some insight into the enormous invertebrate diversity present in the coniferous forests of the Pacific Northwest. It provides reference material for investigators who might be engaged in ecological investigations. We hope that these data, set in an ecological context, will stimulate collaboration and facilitate the design of future research.
Aquatic insect sampling in Lookout Creek at the H.J. Andrews Experimental Forest, 2001
The database contains data from samples collected during the summer of 2001 on aquatic macroinvertebrates along Lookout Creek. Three data tables comprise the database. The two larger tables contain the taxonomic composition and abundances from samples collected using small (0.25m2 ) emergence traps and pan traps (0.19m2). Taxonomic resolution differs by order; for some taxa we identified individuals to family, genus, and species, some to family and genus, and others to family only. A third small data table is a complete list of taxa from the three orders Ephemeroptera, Plecoptera, and Trichoptera.
Total numbers per square meter and taxa of insects taken from the Kuparuk River during the summer of 2001, Arctic LTER 2001.
A Surber sampler (25 X 25 cm frame fitted with a 243 um mesh net) was used to sample invertebrates at several different stations. Two replicates were taken from each station. The same sampling procedure was used for all dates. The stations were measured relative to the site of the dripper ("-" = upstream of the dripper). Samples were preserved in 4% formaldehyde and transported to Orono, Maine, where invertebrates were removed by hand under 15X magnification and then identified and counted. All values are converted to individuals per square meter.
Total numbers and species of insects taken from rock scrubbings during the summer of 1984-1988, 1993-1994, 1996-1998, in the Kuparuk River experimental reach near Toolik Field Station, North Slope Alaska..
A rock-scrubbing technique was used to collect bottom samples at several different stations with three replicates at each station in the Kuparuk River. The stations are measured relative to the 1984 phosphorus dripper. Only July sampling dates are included in this file (ACG). The samples were preserved in ethanol then picked, sorted, counted, and measured in Duluth using a NIKON MICRO-PLAN II digitizing pad.
Bonanza Creek Experimental Forest Defoliating Insect Population Levels Per Leaf 1975-2012 - Werner
Defoliating insect population levels were monitored at Bonanza Creek Experimental Forest, Fairbanks, Alaska, USA from 1976 to 202012. Total number of insects per square meter of foliage is archived in this dataset.
Effects of Hurricane Opal on foliar chemistry and insect herbivores at the Coweeta Hydrologic Laboratory in 1997: foliar chemistry data
Hurricane damage results in tree mortality and variation in both light and nutrient availability for the individuals that remain. In turn, resource availability influences the interactions between plants and insect herbivores. We report effects of Hurricane Opal on the phenolic chemistry and levels of defoliation on surviving trees at the Coweeta Hydrologic Laboratory in North Carolina. We measured foliar astringency, hydrolysable tannins, and condensed tannins in the foliage of red maple and red oak saplings in hurricane damaged and undamaged sites. We estimated inorganic nitrogen and phosphorus availability in the soil, and the accumulated leaf area removed by insect herbivores. The foliar astringency of both red maple and red oak was higher in sites damaged by the hurricane. Later in the growing season, condensed tannin levels were significantly higher in the foliage of red oak in damaged sites. There were no consistent differences in ammonium, nitrate, or phosphate availability between damaged and undamaged sites. Despite higher foliar astringency of trees in sites damaged by Hurricane Opal, levels of defoliation by insect herbivores were higher in damaged than in control sites on both tree species. Apparent increases in putative defensive compounds following hurricane damage did not protect trees from herbivory.
Holocene insect fossil data for Indian Peaks Wilderness and Rocky Mountain National Park, 1985 and 1993.
Insect fossil assemblages were analyzed from the Indian Peaks Wilderness and Rocky Mountain National Park. Assemblages span the last 10,000 years revealing climate change and the response of both insects and vegetation in the montane to upper subalpine zones. The Longs Peak Inn Bog site (LPIB) yielded insect assemblages ranging in age from recent to 3500 yr BP. This insect fossil record suggests climatic cooling at about 1800 yr BP and between 250 and 300 yr BP (AD 1700-1850). The bog may experience colder microclimates than the surrounding forests, yielding insect assemblages reflective of the colder, local microclimate. Also, alpine and upper subalpine insects may have been washed into the catchment basin of the bog from nearby slopes. Assemblages from four additional Front Range sites suggested a climatic optimum between 9000 and 7000 BP. Faunal evidence indicates a tree-limit decline at 4500 BP. Declining forest-tundra insect ratios, combined with the conifer macrofossil record, suggest a climatic deterioration from 4500 to 3100 BP followed by a rapid amelioration, from 3000 to 2000 BP. A gradual decline in the forest-tundra ratios occurred after 2000 BP, reaching 1:1 ratios at or before 1000 BP.
Tatocnemis malgassica. a. Insect, natural size. b in Descriptions of new Genera and Species of Odonata in the Collection of the British Museum, chiefly from Africa.
Tatocnemis malgassica. a. Insect, natural size. b. Extremity of abdomen, showing appendages, magnified 7 ½ times.
GC-MS data set for Generation of a chromosome-scale genome assembly of the insect-repellant terpenoid-producing Lamiaceae species, Callicarpa americana
<p>RAW GC/MS data set for characterization of class II terpene synthases from <em>Callicarpa americana </em></p>
Figure 2 in Taxonomic study and population variation of scale insects (Hemiptera: Coccidae and Diaspididae) and associated parasitoids (Hymenoptera: Chalcidoidea) in an olive grove at Rio Grande do Sul, Brazil
Figure 2. Population variation of Hemiberlesia lataniae (Hemiptera: Diaspididae) on different varieties of Olea europaea (Arbequina, Arbosana and Koroneiki), at different times of sampling, in Barra do Ribeiro (30°30′54.95″S, 51°30′20.84″W), Rio Grande do Sul, Brazil.
Figure 1 in Taxonomic study and population variation of scale insects (Hemiptera: Coccidae and Diaspididae) and associated parasitoids (Hymenoptera: Chalcidoidea) in an olive grove at Rio Grande do Sul, Brazil
Figure 1. Population variation of Hemiberlesia lataniae (Hemiptera: Diaspididae) in an Olea europaea multivarietal olive grove (Arbequina, Arbosana and Koroneiki), at different sampling times, considering different phases and stage of development in Barra do Ribeiro (30°30′54.95″S, 51°30′20.84″W), Rio Grande do Sul, Brazil.
Fig. 4 in A new genus and two new species of soft scale insect (Sternorrhyncha, Coccoidea, Coccidae) from Africa
Fig. 4. Hemilecanium cedrelus Hodgson, sp. n., female 2nd-instyar nymph. For lettering, see Figs 1 & 2, but also where 3rd = position of dorsal tubercles on pharate 3rd-instar nymph.
Fig. 3 in A new genus and two new species of soft scale insect (Sternorrhyncha, Coccoidea, Coccidae) from Africa
Fig. 3. Hemilecanium cedrelus Hodgson, sp. n., female 3rd- instar nymph. For lettering, see Figs 1 & 2, but where scar = position of scars left by dorsal tubercles of 2nd-instar nymph.
Fig. 2 in A new genus and two new species of soft scale insect (Sternorrhyncha, Coccoidea, Coccidae) from Africa
Fig. 2. Hemilecanium cedrelus Hodgson, sp. n., adult female. For lettering, see Fig. 1, but also where B = dorsal tubercle; E = preopercular pore; J = marginal seta and J 1 = marginal seta on anal lobe; K = stigmatic spines; P = tubular ducts; and scars = scars showing position of dorsal tubercles of 3rd-instar nymph.
anTraX: high throughput video tracking of color-tagged insects (benchmark datasets)
<p>Datasets used to benchmark anTraX tracking software. Each dataset contains the raw videos, a configured anTraX session with all parameters required to reproduce the tracking results from the paper, as well as the tracking output for the first video in each dataset.</p> <p> </p> <p> </p>
Fig. 2 in The new genus of stick insect Lobofemora from Vietnam, with the description of three new species (Phasmida: Phasmatidae: Clitumnini)
Fig. 2. Lobofemora bachmaensis sp. nov. ♂, holotype. A. Habitus, dorsal view. B. Habitus, lateral view. C. Habitus, ventral view. D. Anterior part of body, dorsal view. E. Apex of abdomen, dorsal view. F. Apex of abdomen, lateral view. G. Apex of abdomen, ventral view. H. Anterior part of body, lateral view. D–H = not to scale.
Fig. 10 in The new genus of stick insect Lobofemora from Vietnam, with the description of three new species (Phasmida: Phasmatidae: Clitumnini)
Fig. 10. Lobofemora gen. nov. spp., photographs in natura by the authors. A–C. L. bachmaensis sp. nov., Bach Ma National Park. A–B. ♀, 11 Jul. 2011. C. ♀, 14 Jul. 2011. D–G. L. bidoupensis sp. nov., Bidoup-Nui Ba National Park. D. ♂, 22 Jul. 2014. E–F. ♀, 25 Jul. 2014. G. ♀, 23 Jul. 2014. H–J. L. scheirei sp. nov. H–I. Dong Nai Biosphere Reserve, 30 Jun. 2012. H. ♂. I. ♀. J. ♀, Cat Tien National Park, 9 Jul. 2012.
Fig. 6 in The new genus of stick insect Lobofemora from Vietnam, with the description of three new species (Phasmida: Phasmatidae: Clitumnini)
Fig. 6. Lobofemora scheirei sp. nov. ♂, holotype. A. Habitus, dorsal view. B. Habitus, lateral view. C. Habitus, ventral view. D. Anterior part of body, dorsal view. E. Apex of abdomen, dorsal view. F. Apex of abdomen, lateral view. G. Apex of abdomen, ventral view. H. Anterior part of body, lateral view. D–H = not to scale.
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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.