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493 results for “Flightless”
Eggs survive through avian guts—A possible mechanism for transoceanic dispersal of flightless weevils
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Genomics reveals widespread ecological speciation in flightless insects
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Data from: Designing monitoring protocols to measure population trends of threatened insects: a case study of the cryptic, flightless grasshopper Brachaspis robustus
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Data from: Flightless birds are not neuroanatomical analogs of non-avian dinosaurs
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Data from: Diet shifts by adult flightless dung beetles Circellium bacchus, revealed using DNA metabarcoding, reflect complex life histories
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Data from: Anthropogenic extinctions conceal widespread evolution of flightlessness in birds
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Data from: Sex differences in morphology across an expanding range edge in the flightless ground beetle, Carabus hortensis
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Data from: Transoceanic origin of microendemic and flightless New Caledonian weevils
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Figures 4-7 from: Aspöck U, Aspöck H, Gruppe A (2020) Anchored between heaven and earth – a new flightless brown lacewing from Peru (Neuroptera, Hemerobiidae). Deutsche Entomologische Zeitschrift 67(2): 141-149. https://doi.org/10.3897/dez.67.56008
Figures 4-7 Nusalala peruana sp. nov., paratype, male (from Hualgayoc). 4. habitus, dorsal; 5. habitus, ventral; 6. right forewing (broken by spreading under cover glass); 7. metathorax with hindwings (spread under cover glass).
Figures 8-11 from: Aspöck U, Aspöck H, Gruppe A (2020) Anchored between heaven and earth – a new flightless brown lacewing from Peru (Neuroptera, Hemerobiidae). Deutsche Entomologische Zeitschrift 67(2): 141-149. https://doi.org/10.3897/dez.67.56008
Figures 8-11 Nusalala peruana sp. nov., paratype, male (from Hualgayoc). 8. genital sclerites, lateral; 9. genital sclerites, ventral; 10. genital sclerites, lateral, partly dissected; 11. genital sclerites, dorsal, partly dissected; e – ectoproct; gp10 – gonapophysis 10; gst9 – fused gonostyli 9; gx9 – gonocoxite 9; gx10 – partly fused gonapophyses 10; hi – hypandrium internum; S – sternite; T – tergite.
Figures 1-3 from: Aspöck U, Aspöck H, Gruppe A (2020) Anchored between heaven and earth – a new flightless brown lacewing from Peru (Neuroptera, Hemerobiidae). Deutsche Entomologische Zeitschrift 67(2): 141-149. https://doi.org/10.3897/dez.67.56008
Figures 1-3 Nusalala peruana sp. nov., holotype, male. 1. habitus, dorsal; 2. habitus, lateral; 3. head frontal.
Figures 12-16 from: Aspöck U, Aspöck H, Gruppe A (2020) Anchored between heaven and earth – a new flightless brown lacewing from Peru (Neuroptera, Hemerobiidae). Deutsche Entomologische Zeitschrift 67(2): 141-149. https://doi.org/10.3897/dez.67.56008
Figures 12-16 Nusalala peruana sp. nov., paratype, female (from Hualgayoc). 12. habitus, dorsal with right forewing (left forewing missing) and left scale-like hindwing; 13. scale-like left hindwing; 14. head, frontal; 15. genital sclerites, lateral; 16. genital sclerites, ventral; e – ectoproct; gp8 – gonapophysis 8; gp9 – gonapophysis 9; gx8 – fused gonocoxites 8; gx9 – gonocoxite 9; T – tergite; tr – trichobothrium.
Figures 17-19 from: Aspöck U, Aspöck H, Gruppe A (2020) Anchored between heaven and earth – a new flightless brown lacewing from Peru (Neuroptera, Hemerobiidae). Deutsche Entomologische Zeitschrift 67(2): 141-149. https://doi.org/10.3897/dez.67.56008
Figures 17-19 Type locality of Nusalala peruana sp. nov. 17 – landscape; 18, 19 – microhabitat with yellow pans in which Nusalala peruana sp. nov. was trapped.
Flightlessness in insects enhances diversification and determines assemblage structure across whole communities
<p><span><span><span>Dispersal limitation has been recurrently suggested to shape both macroecological patterns and microevolutionary processes within invertebrates. However, because of potential interactions among biological, environmental, temporal, and spatial variables, causal links among flight-related traits, diversification and spatial patterns of community assembly remain elusive. Integrating genetic variation within species across whole insect assemblages, within a simplified spatial and environmental framework, can be used to reduce the impact of these potentially confounding variables. Here we used standardised sampling and mtDNA sequencing for a whole-community characterisation of the beetle fauna inhabiting a singular forested-habitat (laurel forest) within an oceanic archipelago setting (Canary Islands). The spatial structure of species assemblages together with species-level genetic diversity was compared at the archipelago and island scales for 104 winged and 110 wingless beetle lineages. We found that wingless beetle lineages have (i) smaller range sizes at the archipelago scale, (ii) lower representation in younger island communities, (iii) stronger population genetic structure, and (iv) greater spatial structuring of species assemblages between and within islands. Our results reveal that dispersal limitation is a fundamental trait driving diversity patterns at multiple hierarchical levels by promoting spatial diversification and affecting the spatial configuration of entire assemblages at both island and archipelago scales.</span></span></span></p>
Data from: Whole-genome analyses resolve the phylogeny of flightless birds (Palaeognathae) in the presence of an empirical anomaly zone
Palaeognathae represent one of the two basal lineages in modern birds, and comprise the volant (flighted) tinamous and the flightless ratites. Resolving palaeognath phylogenetic relationships has historically proved difficult, and short internal branches separating major palaeognath lineages in previous molecular phylogenies suggest that extensive incomplete lineage sorting (ILS) might have accompanied a rapid ancient divergence. Here, we investigate palaeognath relationships using genome-wide data sets of three types of noncoding nuclear markers, together totalling 20,850 loci and over 41 million base pairs of aligned sequence data. We recover a fully resolved topology placing rheas as the sister to kiwi and emu + cassowary that is congruent across marker types for two species tree methods (MP-EST and ASTRAL-II). This topology is corroborated by patterns of insertions for 4,274 CR1 retroelements identified from multi-species whole genome screening, and is robustly supported by phylogenomic subsampling analyses, with MP-EST demonstrating particularly consistent performance across subsampling replicates as compared to ASTRAL. In contrast, analyses of concatenated data supermatrices recover rheas as the sister to all other non-ostrich palaeognaths, an alternative that lacks retroelement support and shows inconsistent behavior under subsampling approaches. While statistically supporting the species tree topology, conflicting patterns of retroelement insertions also occur and imply high amounts of ILS across short successive internal branches, consistent with observed patterns of gene tree heterogeneity. Coalescent simulations indicate that the majority of observed topological incongruence among gene trees is consistent with coalescent variation rather than arising from gene tree estimation error alone, and estimated branch lengths for short successive internodes in the inferred species tree fall within the theoretical range encompassing the anomaly zone. Distributions of empirical gene trees confirm that the most common gene tree topology for each marker type differs from the species tree, signifying the existence of an empirical anomaly zone in palaeognaths.
FIGURE 25. Puliciphora borinquenensis female, abdominal tergites 4–6 in Rudimentary halteres of some flightless female Phoridae (Diptera) reassessed, and some taxonomic implications
FIGURE 25. Puliciphora borinquenensis female, abdominal tergites 4–6. Scale bar = 0.1 mm.
FIGURES 1–2. Brachypterodina morae. 1 in New flightless Eumolpinae of the genera Apterodina Bechyné and Brachypterodina n. gen. (Coleoptera: Chrysomelidae) from the Neotropics
FIGURES 1–2. Brachypterodina morae. 1. male, dorsal view; 2. female, dorsal view.
FIGURE 6 in A species radiation among South African flightless spring katydids (Orthoptera: Tettigoniidae: Phaneropterinae: Brinckiella Chopard)
FIGURE 6. Oscillogram of the call of B. arboricola (5 and 0.5 second fragments.)
FIGURES 1–2 in Confirmation of occurrence of Trechus Clairville, 1806 in the Baltic amber forests, with description of a flightless edaphic species, and remarks on Trechoides Motschulsky, 1856 (Coleoptera: Carabidae: Trechini)
FIGURES 1–2. Trechus balticus sp. n., holotype. Fig. 1, dorsal aspect. Fig. 2, ventral aspect.
FIGURE 5 in Flightless Notaris (Coleoptera: Curculionidae: Brachycerinae: Erirhinini) in Southwest China: monophyly, mtDNA phylogeography and evolution of habitat associations
FIGURE 5. Flightless Notaris sp. from Kazakhstan, V6165.
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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.