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553 results for “damselflies”
The genomic response to urbanization in the damselfly Ischnura elegans
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Figure 1 from: Kipping J, Clausnitzer V, Elizalde SRF, Dijkstra K-DB (2017) The dragonflies and damselflies (Odonata) of Angola. African Invertebrates 58(1): 65-91. https://doi.org/10.3897/AfrInvertebr.58.11382
Figure 1 - Records of Odonata from Angola before 1950, before 2000 and up to 2016.
Figure 7 in Phase contrast X-ray synchrotron microtomography and the oldest damselflies in amber (Odonata: Zygoptera: Hemiphlebiidae)
Figure 7. Electrohemiphlebia barucheli gen. et sp. nov., holotype ARC 372.1, legs.
Figure 4 in Phase contrast X-ray synchrotron microtomography and the oldest damselflies in amber (Odonata: Zygoptera: Hemiphlebiidae)
Figure 4. Electrohemiphlebia barucheli gen. et sp. nov., holotype ARC 372.1, frontal view of head.
Figure 4 from: Ball-Damerow JE, Oboyski PT, Resh VH (2015) California dragonfly and damselfly (Odonata) database: temporal and spatial distribution of species records collected over the past century. ZooKeys 482: 67-89. https://doi.org/10.3897/zookeys.482.8453
Figure 4 - Spatial distribution of California records before 1976, and after 1979.
Figure 2 from: Ball-Damerow JE, Oboyski PT, Resh VH (2015) California dragonfly and damselfly (Odonata) database: temporal and spatial distribution of species records collected over the past century. ZooKeys 482: 67-89. https://doi.org/10.3897/zookeys.482.8453
Figure 2 - Total number of records and number of species by decade.
Figure 1 from: Ball-Damerow JE, Oboyski PT, Resh VH (2015) California dragonfly and damselfly (Odonata) database: temporal and spatial distribution of species records collected over the past century. ZooKeys 482: 67-89. https://doi.org/10.3897/zookeys.482.8453
Figure 1 - Total number of California Odonata records per year.
Data from: Time constraint effects on phenology and life history synchrony in a damselfly along a latitudinal gradient
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Figure 5 in Binocular Encoding in the Damselfly Pre-motor Target Tracking System
Figure 5. Demoiselle TSDNs Are All Binocular, with Differing Thresholds and Input Weights TSDNs were mapped under binocular (equivalent to Figure 2) and monocular conditions (left and right eye patches, in random order), followed by another binocular map as a control. Monocular responses were categorized into three types (types 1–3, A–C, respectively), according to the binocular interaction observed. For each response type, row 1 is representative direction receptive field map from a single cell (example), row 2 is average spike-triggered map from cells falling within the category, row 3 is relative response densities (STAs projected onto the horizontal axis; mean ± SD for each cell recording), row 4 is left versus right hemifield relative response cumulative sum, and row 5 is proposed summation-to-threshold model that could generate the responses. Full data are given in Figure S5B. Direction map color-coordinated system indicated by the colorwheel. Spike triggered average maps are color-coded as relative spike rates between 0–1, as indicated by the scale bar. (A) Type 1: binocular only, in which visual responses are dependent on both eyes in an all-or-none fashion. n = 3 cells allocated to this category. (B) Type 2: balanced split-monocular, in which receptive fields are bisected along the midline with absent responses from the hemifield ipsilateral to the eyepatch and reduced responses, but still present, in the contralateral hemifield (arising from non-occluded eye). n = 4 cells allocated to this category. yFor 1 cell, the right eye hemifield of this second control had an unusually high relative response. This hemifield was noted as an outlier, possibly caused by electrode or animal movement, and excluded from mean/variance calculation. (C) Type 3: ocular dominant, in which occlusion of one eye fully suppresses the entire receptive field. However, occlusion of the adjacent eye bisects the receptive field at the midline with responses found only in the non-occluded hemifield. n = 5 cells allocated to this category. yyOne type 3 cell is missing the uncovered positive control due to deterioration of recording signal (see Figure S5B).
Figure 6 in Binocular Encoding in the Damselfly Pre-motor Target Tracking System
Figure 6. Demoiselle TSDN Receptive Fields under Opaque versus Translucent Eyepatches and Prisms (A) The effect of global intensity on the TSDNs responses was tested by mapping them with opaque (as in Figure 2) and translucent eye patches (noted with letters O and T; see also Figures S6A and S6B). All three types of response categories described in Figure 2 were also found in this experiment. Receptive fields were recorded in series (i.e., binocular uncovered, left/right opaque eyepatch,binocular uncovered, left/right translucent eyepatch,and binocular uncovered—the final binocular uncovered condition is excluded for presentation clarity). (B) A 4Ǫ and a 10Ǫ prism were used to test the TSDN responses under reduced binocular overlap between the two eyes (base out over left eye, producing deviation toward the left; Figure S6C). Reducing binocularity by 4Ǫ did not significantly affect spike density (two-sided sign test for matched pairs; p = 1.0; n = 9; blue traces), but a shift of 10Ǫ significantly lowered the spike densities compared to uncovered control (two-sided sign test for matched pairs; p = 0.0078; n = 8; see purple traces). No prism or prism over both eyes served as controls for the effect of the prism. Rows 1 and 3 show three example directional receptive fields at each prism deviation. White arrowheads mark the right-hand boundary of the receptive field. White ellipses indicate the left-hand boundary of the receptive field. Rows 2 and 4 are relative response densities (STAs projected onto the horizontal axis; mean ± individual traces from each recording; 4Ǫ n = 9 cells from 6 animals; 10Ǫ n = 8 cells from 7 animals). Row 5 shows A-relative response plots calculated by subtracting the first binocular uncovered response density (control) from each condition. B, binocular prism; L, monocular prism over left eye; U, uncovered; U', uncovered control. Full dataset for prism experiments is in Figure S6D.
Figure 4 in Binocular Encoding in the Damselfly Pre-motor Target Tracking System
Figure 4. Spike Number and Degree of Binocular Overlap within the Same Type of TSDNs Shows High Variability between Damselfly Individuals We used the directional tuning (from electrophysiology) and the neuronal morphology (from dye fills) to identify that we had recorded from (A) MDT3 and (B) DIT1 in two and three animals, respectively. The high variability in spike numbers and in the binocular overlap for each of these two TSDN types can be appreciated in such maps. Note that MDT3 was so named because it travels through the MDT track in Aeshnid dragonflies [13], but it travels though the DIT track in libellulids [11] and in demoiselles (this study).
Figure 2 in New damselfly hosts and species identification of an aquatic parasitoid Hydrophylita emporos (Hymenoptera: Trichogrammatidae) in Taiwan
Figure 2. The antenna of female Hydrophylita emporos. (a) Radicle under light microscope. Arrow indicates the trichoid sensilla type 5 (Tri. 5). (b) Pedicel under light microscope. Arrow indicates the recurved trichodea sensillum (RTS). (c) Apex of the pedicel under SEM. (d) Anellus 2 under SEM. Arrow indicates the coeloconic sensilla (CS). (e) Club 2 under SEM. Arrows show the basiconic peg sensilla (BPS) and placoid sensilla (PLS). (f) Apex of C2. Arrow indicates a BPS at the apex of C2. (g) Anelli under SEM. (h) Anelli under light microscope. Arrows indicate anellus 1 (A1) and 2 (A2).
Figure 3 in New damselfly hosts and species identification of an aquatic parasitoid Hydrophylita emporos (Hymenoptera: Trichogrammatidae) in Taiwan
Figure 3. The morphology of the eggs of Coeliccia cyanomelas parasitised by Hydrophylita emporos in 17, 26 and 30 days. The arrow indicates the embryo of immature Hydrophylita emporos.
FIGURES 149–151 in Damselflies of the genus Argia (Odonata: Coenagrionidae) from Ecuador with descriptions of five new species
FIGURES 149–151. Field photographs of Ecuadorian Argia species. (149) A. selysi, 5 km west of Orellana Prov. border, Napo Prov., Ecuador, 11 October 2009; (150) A. tennesseni, male from 12 km east of Loreto, Orellana Prov., Ecuador, 12 October 2009; (151) A. tennesseni, female from 12 km east of Loreto, Orellana Prov., Ecuador, 12 October 2009. Photographs (149– 151) by Jim Johnson.
FIGURES 146–148 in Damselflies of the genus Argia (Odonata: Coenagrionidae) from Ecuador with descriptions of five new species
FIGURES 146–148. Field photographs of Ecuadorian Argia species. (146) A. limitata, male from mid-sized stream 4 km south of highway junction, 12 km east of Loreto, Orellana Prov., Ecuador, 11 October 2009; (147) A. medullaris, Altos de San Luis, Puntarenas Prov., Costa Rica, 6 July 2017; (148) A. philipi, male from 12 km east of Loreto, Orellana Prov., Ecuador, 12 October 2009. Photograph (147) by Netta Smith, (146, 148) by Jim Johnson.
FIGURES 142–145 in Damselflies of the genus Argia (Odonata: Coenagrionidae) from Ecuador with descriptions of five new species
FIGURES 142–145. Field photographs of Ecuadorian Argia species. (142) A. acridens, male from 5 km west of Solano, Manabí Prov., Ecuador, 3 March 2010; (143) A. adamsi, eastern form, male from 12 km east of Loreto, Orellana Prov., Ecuador, 12 October 2009; (144) A. adamsi, western form, male from 16 km east of Formisa, Los Ríos Prov., Ecuador, 24 February 2010; (145) A. fulgida, male from 5 km east of Caluma, Bolívar Prov., Ecuador, 5 March 2010. Photographs (142– 145) by Jim Johnson.
FIGURES 107–110 in Damselflies of the genus Argia (Odonata: Coenagrionidae) from Ecuador with descriptions of five new species
FIGURES 107–110. Male caudal appendages. (a) lateral view; (b) dorsal view; (c) mediodorsal view; (d) posterior view.
FIGURES 1–8 in Damselflies of the genus Argia (Odonata: Coenagrionidae) from Ecuador with descriptions of five new species
FIGURES 1–8. Color pattern of head. Head, anterior view (1); head posterior view (2–5); labrum, anterior view (6–8).
FIGURES 69–72 in Damselflies of the genus Argia (Odonata: Coenagrionidae) from Ecuador with descriptions of five new species
FIGURES 69–72. Female mesostigmal plates. (a) dorsal view; (b) detail of mesostigmal lobe, dorsal view; (c) frontal (anterior) view; (d) detail of mesostigmal lobe, posterodorsal view (on edge).
FIGURES 19–22 in Damselflies of the genus Argia (Odonata: Coenagrionidae) from Ecuador with descriptions of five new species
FIGURES 19–22. Color pattern of male head, thorax, and S1–4. Head, dorsal view, thorax and S1–4, lateral view.
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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.