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79 results for “nest architecture”
FIGURE 16 in Nest Architecture, Immature Stages, and Ethnoentomology of a New Species of Trigonisca from Northern Colombia (Hymenoptera: Apidae)
FIGURE 16. Trigonisca (Trigonisca) mepecheu Engel and Gonzalez, new species, from La Guajira, Colombia. A. Diagrammatic outline of sagittal section of nest and contents (note that nest entrance was removed and would be facing outward toward the viewer), B. Photograph of medial section of brood cells. C. Photograph of honey pots and brood cells.
FIGURE 13 in Nest Architecture, Immature Stages, and Ethnoentomology of a New Species of Trigonisca from Northern Colombia (Hymenoptera: Apidae)
FIGURE 13. Nest of Trigonisca (Trigonisca) mepecheu Engel and Gonzalez, new species, in La Guajira, Colombia (photographs by M.S. Engel). A. Location of nest in the side of a divi-divi tree (Libidibia coriaria (Jacq.) Schltdl.) (Fabaceae: Caesalpinioideae) (arrow shows position of nest entrance). B. Detail of nest entrance.
FIGURE 11 in Nest Architecture, Immature Stages, and Ethnoentomology of a New Species of Trigonisca from Northern Colombia (Hymenoptera: Apidae)
FIGURE 11. Diagram of entire mature larva of Trigonisca (Trigonisca) mepecheu Engel and Gonzalez, new species, lateral view, head toward left, showing distribution of paired segmental dorsolateral body tubercles and small size of larva.
FIGURE 15 in Nest Architecture, Immature Stages, and Ethnoentomology of a New Species of Trigonisca from Northern Colombia (Hymenoptera: Apidae)
FIGURE 15. Sampled nest of Trigonisca (Trigonisca) mepecheu Engel and Gonzalez, new species, from La Guajira, Colombia (photographs by M.S. Engel). A. Section of Libidibia coriaria (Jacq.) Schltdl. (Fabaceae: Caesalpinioideae), with side removed to expose nest within. B. Detail of brood cells in situ. C. Detail of brood cells in situ.
Figure 2. - Nesting architecture of Xylocopanasalis; Dissected nests of Xylocopanasalis revealing the nest structure inside the bamboo culm and its residents. Measurements of the nest parameters are shown in Table 1. The diameters of the nests (excluding the nest thickness) were measured at the nest entrance, followed by the vestibulum (antechamber) length, cell length, and the inner most cell length, respectively (2a). Cells containing larvae with pollen masses and their feces were collected and weighted (2b).
Figure 2. - Nesting architecture of Xylocopanasalis; Dissected nests of Xylocopanasalis revealing the nest structure inside the bamboo culm and its residents. Measurements of the nest parameters are shown in Table 1. The diameters of the nests (excluding the nest thickness) were measured at the nest entrance, followed by the vestibulum (antechamber) length, cell length, and the inner most cell length, respectively (2a). Cells containing larvae with pollen masses and their feces were collected and weighted (2b).
Nest architecture is linked with ecological success in songbirds
<p>Nests are essential constructions that directly determine fitness, yet their structure can vary substantially across bird species. While there is evidence supporting a link between nest architecture and the habitat a species occupies, we still ignore what ecological and evolutionary processes are linked to different nest types. Using information on 3175 species of songbirds, we show that – after controlling for latitude and body size – species that build domed nests (i.e., nests with a roof) have smaller ranges, are less likely to colonise urban environments and have potentially higher extinction rates compared to species with open and cavity nests. Domed nests could be a costly specialisation, and we show these nests take more time to be built, which could restrict breeding opportunities. These diverse strands of evidence suggest that transition from domed to open nests in passerines could represent an important evolutionary innovation behind the success of the largest bird radiation.</p>
Figure 9 in Behavior and nest architecture of the bee Caenohalictus alexandrei (Hymenoptera, Halictinae)
Figure 9. Pollinic resource used by C. alexandrei. (A-B) Taraxacum officinale: (A) Flower with adult female; (B) Pollen grains; (C-D) Bidens pilosa: (C) Flowers; (D) Pollen grains; (E-F) Senecio madagascariensis, (E) Flower with adult female; (F) Pollen grains. Scale: 100 µm.
Figure 8 in Behavior and nest architecture of the bee Caenohalictus alexandrei (Hymenoptera, Halictinae)
Figure 8. Breeding cells of C. alexandrei. (A-B) Eggs on pollen mass in the cell; (C-F) Larvae: (C) Young larva; (D-E) Larvae in intermediate stage with pollen in their digestive tract; (F) Mature larva; (G-H) Pupae: (H) Young pupa; (G) Mature pupa.
Figure 6 in Behavior and nest architecture of the bee Caenohalictus alexandrei (Hymenoptera, Halictinae)
Figure 6. Internal architecture of nests of C. alexandrei. (A) Nest 2; (B) Nest 8; (C) Nest 1; (D) Nest 4. ♀ and ♂ indicating on sex of adult bees, female and male respectively, ♀ + indicate dead females. Scale: 2 cm.
Figure 3. Nests C in Behavior and nest architecture of the bee Caenohalictus alexandrei (Hymenoptera, Halictinae)
Figure 3. Nests C. alexandrei in the earth banks. (A-B) aggregations of nests: (A) nesting site C; (B) nesting site Z: (C-F) Open nests entrances with traces of soil falling down the bank: (G-H) Close nests entrances with soil. Red arrows indicate the open entrances of the nest. Red circles indicate the close entrance of the nest.
Figure 5 in Behavior and nest architecture of the bee Caenohalictus alexandrei (Hymenoptera, Halictinae)
Figure 5. Nests of C. alexandrei in the earth banks. (A) Female leaving the nest to perform foraging activity; (B, D-E) Female arrival and entry to the nest with a load of pollen in her hind femoral, tibial and ventral scopa and contact with the guardian female; (C) Female performing guarding activity in the entrance of the nest and waiting for the returns of another nest female′s; (F) Exit of the guardian female to forage just after the return of another adult female from the nest.
Figure 2 in Behavior and nest architecture of the bee Caenohalictus alexandrei (Hymenoptera, Halictinae)
Figure 2. Nesting sites of C. alexandrei on earth banks in Colombia. (A) nesting site Z (Zipaquirá – San Jorge); (B) nesting site C (Cajicá – UMNG); (C-D) Red arrows indicate the entrance of the nest in the earth banks.
Figure 1 in Behavior and nest architecture of the bee Caenohalictus alexandrei (Hymenoptera, Halictinae)
Figure 1. Geographical location of the nesting sites. Green area represents the Cundinamarca department. Gray area corresponds to the municipality of Zipaquirá with the nesting site Z (red circle) and brown area corresponds to the municipality of Cajicá with the nesting site C (blue circle).
Foraging behavior affects nest architecture in a cross-species comparison of ant nests
<p>Animals construct and inhabit nests that can exhibit dramatic intra- and inter-specific variation due to differences in behavior, the biotic and abiotic environment, and evolutionary history. In ants, variation in nest architecture not only reflects differences in ecology and collective behavior; it influences the behaviors of the colonies that inhabit them. Each component of the nest (such as depth, and the number, size, and connectivity of chambers) reflects selective pressures for different functions, or structural constraints that are imposed by the environment or evolutionary history. To determine potential drivers of nest structure variation in subterranean nests, we performed a meta-analysis of published ant nests to compare different structural elements within and across species. We complemented this survey with 42 nest casts of two closely related species. We quantified nest features that can potentially impact ant foraging behavior and examined whether phylogeny or foraging strategy are better explanatory variables for the variation we observed. We found that foraging strategy better explained nest features than evolutionary history. Our work reveals the importance of ecology in shaping nest structure and provides an important foundation for future investigations into the selective pressures that have shaped ant nest architecture.</p>
Foraging behavior affects nest architecture in a cross-species comparison of ant nests
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Data from: A wide range of abiotic and biotic variables leaves most variation in bird nest architecture unexplained
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Nest architecture is linked with ecological success in songbirds
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Data from: Harvester ant nest architecture is more strongly affected by intrinsic than extrinsic factors
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Data from: A nested association mapping panel in Arabidopsis thaliana for mapping and characterizing genetic architecture
<p><span><span><span><span><span><span><span><span><span><span><span>Linkage and association mapping populations are crucial public resources that facilitate the characterization of trait genetic architecture in natural and agricultural systems. We define a large nested association mapping panel (NAM) from 14 publicly available recombinant inbred populations (RILs) of <i>Arabidopsis thaliana</i>, which share a common recurrent parent (Col-0). Using a genotype-by-sequencing approach (GBS), we identified single nucleotide polymorphisms (SNPs; range 563-1525 per population) and subsequently built updated linkage maps in each of the 14 RIL sets. Simulations in individual RIL populations indicate that our GBS markers have improved power to detect small effect QTL and enhanced resolution of QTL support intervals in comparison to original linkage maps. Using these robust linkage maps, we imputed a common set of publicly available parental SNPs into each RIL linkage map, generating overlapping markers across all populations. Though ultimately depending on allele frequencies at causal loci, simulations of the NAM panel suggest that surveying between 4 to 7 of the 14 RIL populations provides high resolution of the genetic architecture of complex traits, relative to a single mapping population.</span></span></span></span></span></span></span></span></span></span></span></p>
Figure 10 in Two new species of the genus Quindina Roewer, 1914 (Opiliones: Nomoclastidae) from Colombia: phylogenetic relationships and notes on their nest architecture
Figure 10. Nest location of Quindina sanantonio sp. n. (A–E) and Quindina horologium sp. n. (F) in leaves. (A) Nest #1; (B) nest #2; (C) nest #3; (D) nest #4; (E) nest #5. Scale bars = 10 mm.
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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)
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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.