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99 results for “host preference”
Data and code for: Habitat preference of an herbivore shapes the habitat distribution of its host plant
<p>Initial release of analysis and code for:</p> <p>Alexandre, N. M., P. T. Humphrey, A. D. Gloss, J. Lee, J. Frazier, H. A. Affeldt III, and N. K. Whiteman. 2018. Habitat preference of an herbivore shapes the habitat distribution of its host plant. Ecosphere 00(00):e02372. (full citation pending)</p> <p>Release published to accompany corrected proofs on 2018-Jul-26.</p>
Figure 3 in Intense inhabitation and relaxed host-leaf preference of aquatic chironomid leaf-miners in headwater streams in Asian lucidophyllous forests
Figure 3. Frequency distributions of unmined (open) and mined (solid) leaves among representative plant species. (Cs, Castanopsis sieboldii; Qg, Quercus glauca; Qm, Quercus miyagii; Mj, Machilus japonica; Mt, Machilus thunbergii; Mr, Myrica rubra; Ot, others.)
Figure 2 in Intense inhabitation and relaxed host-leaf preference of aquatic chironomid leaf-miners in headwater streams in Asian lucidophyllous forests
Figure 2. Habitats and leaf-mining habits of Stenochironomus okialbus. (A–B) headwater streams at S4 and S9; (C) submerged litter at S9; (D–F) leaf-mines; (G) a larva undulating in a mine; (H) a pupa; (I) head of a mining larva; (J–K) a female and a male adult midge. Plant species of the leaves: C, D, G, I: Castanopsis sieboldii; E, H: Dendropanax trifidus; E: Myrica rubra.
Novel host plant unmasks heritable variation in plant preference within an insect population
<p>Introductions of novel plant species can disturb the historical resource environment of herbivorous insects, resulting in strong selection to either adopt or exclude the novel host. However, an adaptive response depends on heritable genetic variation for preference or performance within the targeted herbivore population, and it is unclear how heritability of host-use preference may differ between novel and historical hosts. <em>Pieris macdunnoughii</em> butterflies in the Rocky Mountains lay eggs on the nonnative mustard <em>Thlaspi arvense</em>, which is lethal to their offspring. Heritability analyses revealed considerable sex-linked additive genetic variation in host preference within a population of this butterfly. This was contrary to general predictions about the genetic basis of preference variation, which are hypothesized to be sex-linked between populations but autosomal within populations. Evidence of sex-linkage disappeared when butterflies were tested on methanol-based chemical extracts, suggesting these chemicals in isolation may not be the primary driver of female choice among available host plants. Although unexpected, evidence for within-population sex-linked genetic variation in preference for <em>T. arvense</em> over native hosts indicates that persistent maladaptive oviposition on this lethal plant must be maintained by alternative evolutionary dynamics such as migration- or drift-selection balance or pleiotropic constraints.</p>
Fig.3 in Ancyrophora gracilis L , 1892 and Actinocephalus permagnus Wellmer, 1910 (Eugregarinorida: Apicomplexa) in natural populations of ground beetles (Coleoptera, Carabidae) - hosts preferences, intensity and seasonal dynamic
Fig.3. The mean density ± SE of Actinocephalus permagnus (circle) and Ancyrophora gracilis (square) in consecutive seasons
Fig. 1 in Ancyrophora gracilis L , 1892 and Actinocephalus permagnus Wellmer, 1910 (Eugregarinorida: Apicomplexa) in natural populations of ground beetles (Coleoptera, Carabidae) - hosts preferences, intensity and seasonal dynamic
Fig. 1. Mean density of Actinocephalus permagnus (AT) and Ancyrophora gracilis (AC) in relation to host size classes. circle – medium sized, squares – broad sized hosts
Figure 1 in Host instars preference, density-dependent parasitism and behavioral perspective of parasitoids (Aphidius colemani, Aphidius matricariae and Aphelinus abdominalis) in Aphis glycines and Aphis gossypii
Figure 1: Comparison of parasitoids (Ad.colemani, Ad.matricariae and Al.abdominalis) on different ages (nymphal instars) of the(A) As.glycines (n= 30) and (B) As. gossypii (n= 30).
Figure 3 in The Alticini (Coleoptera: Chrysomelidae: Galerucinae) fauna of Davraz Mountain (Isparta): comments on host plant and altitude preferences with two new records for Turkish fauna
Figure 3. Distributions of the Alticini species numbers on Davraz Mountain with respect to different altitude ranges.
Figure 5 in The Alticini (Coleoptera: Chrysomelidae: Galerucinae) fauna of Davraz Mountain (Isparta): comments on host plant and altitude preferences with two new records for Turkish fauna
Figure 5. Longitarsus brunneus (Duftschmidt): a) aedeagus ventral view, b) aedeagus lateral view, c) spermatheca. Scale bar = 0.2 mm.
Figure 2 in The Alticini (Coleoptera: Chrysomelidae: Galerucinae) fauna of Davraz Mountain (Isparta): comments on host plant and altitude preferences with two new records for Turkish fauna
Figure 2. Percentages of flea beetle genera recorded from the study area in terms of species number.
Fig. 1 in Oviposition preference of rugose spiraling whitefly (Hemiptera: Aleyrodidae) on five host plant species
Fig. 1. Photo showing the cage arrangement. Six cages (1.83 × 1.83 × 1.83 m with 20 × 20 Mesh Lumite) were constructed in a shadehouse in a north-south row. Each cage had 5 potential host plants and a source plant containing adult whiteflies.
Fig. 2 in Oviposition preference of rugose spiraling whitefly (Hemiptera: Aleyrodidae) on five host plant species
Fig. 2. The cumulative number of eggs deposited on different plants during the experiment. The average cumulative number of eggs was always greatest on gumbo limbo.
Fig. 5 in Two parasitoids of Diaphorina citri (Hemiptera: Liviidae) have shared, stage-specific preference for host nymphs that does not impact pest mortality rates
Fig. 5. Mean (± SE) development time of parasitoid eggs to adult emergence of (A) Diaphorencyrtus aligarhensis and (B) Tamarixia radiata that developed on different Diaphorina citri instars in no-choice experiments. Treatment means with the same letters are not significantly different (P> 0.05).
Fig. 3 in Two parasitoids of Diaphorina citri (Hemiptera: Liviidae) have shared, stage-specific preference for host nymphs that does not impact pest mortality rates
Fig. 3. Mean (± SE) emergence of adult Diaphorencyrtus aligarhensis from second through fifh instar Diaphorina citri nymphs in no-choice experiments when females foraged alone or with hetero- and conspecific competitors. Foraging scenario only affected parasitoid emergence when D. aligarhensis foraged for fourth instar D. citri nymphs (means with the same letters are not significantly different; P> 0.05).
Fig. 2 in Two parasitoids of Diaphorina citri (Hemiptera: Liviidae) have shared, stage-specific preference for host nymphs that does not impact pest mortality rates
Fig. 2. The effect of foraging scenario on mean (± SE) Diaphorina citri mortality when (A) second, (B) third, (C) fourth, and (D) fifh instar Diaphorina citri nymphs were exposed to female parasitoids in no-choice experiments. In each panel, means with the same letters are not significantly different (P> 0.05).
Fig. 1 in Two parasitoids of Diaphorina citri (Hemiptera: Liviidae) have shared, stage-specific preference for host nymphs that does not impact pest mortality rates
Fig. 1. Mean (± SE) proportion of oviposition events (αi), indicating preference of female parasitoids for second through fifh instar Diaphorina citri nymphs in choice arenas. For each parasitoid species, means with the same letters are not significantly different (P> 0.05).
Fig. 4 in Two parasitoids of Diaphorina citri (Hemiptera: Liviidae) have shared, stage-specific preference for host nymphs that does not impact pest mortality rates
Fig. 4. Mean (± SE) adult Tamarixia radiata emergence from second through fifh instar Diaphorina citri nymphs in no-choice experiments. Means with the same letters are not significantly different (P> 0.05). *Only 1 F1 Tamarixia radiata emerged from second instar D. citri nymphs (mean [± SE] = 0.028 ± 0.028 F1 adults).
Fig. 6 in Two parasitoids of Diaphorina citri (Hemiptera: Liviidae) have shared, stage-specific preference for host nymphs that does not impact pest mortality rates
Fig. 6. The survival probability of adult (A) Diaphorencyrtus aligarhensis and (B) Tamarixia radiata that emerged from second, third, fourth, and fifh instar Diaphorina citri nymphs in no-choice experiments.
Utilizing traditional and remote sensing techniques to assess Colorado potato beetle host preference in the Columbia Basin -- 2021 Data
<p>This is a remote sensing dataset collected in 2021 that contains orthomosaic images, shape files, analysis scripts, and derived numerical data from each plot. Data was collected using the protocol described here:</p> <p><a href="https://www.protocols.io/view/usda-ars-potato-genetics-lab-drone-data-collection-bp2l6148dvqe/v1">https://www.protocols.io/view/usda-ars-potato-genetics-lab-drone-data-collection-bp2l6148dvqe/v1</a></p> <p>Provided are "field map" files that denote the location and contents of each plot, a folder from each date that contains the 10 band orthomosiac, surface model image, a cropped and rotated image, shape files indicating the location of each plot, and derived data. The analysis can be replicated by following along with workflow listed in file named: rondon_cpb_2021.R. Derived data from this experiment can be found it the file named: "Rondon_CPB_data_2021_UAS_all.csv"<br> <br> If you have any questions or comments regarding this dataset please contact Dr. Max Feldman via email: max.feldman@usda.gov</p> <p> </p>
Parasitoid–host eavesdropping reveals temperature coupling of preferences to communication signals without genetic coupling
<p>Receivers of acoustic communication signals evaluate signal features to identify conspecifics. Changes in the ambient temperature can alter these features, rendering species recognition a challenge. To maintain effective communication, temperature coupling—changes in receiver signal preferences that parallel temperature-induced changes in signal parameters—occurs among genetically coupled signallers and receivers. Whether eavesdroppers of communication signals exhibit temperature coupling is unknown. Here, we investigate if the parasitoid fly Ormia ochracea , an eavesdropper of cricket calling songs, exhibits song pulse rate preferences that are temperature coupled. We use a high-speed treadmill system to record walking phonotaxis at three ambient temperatures (21, 25, and 30°C) in response to songs that varied in pulse rates (20 to 90 pulses per second). Total walking distance, peak steering velocity, angular heading, and the phonotaxis performance index varied with song pulse rates and ambient temperature. The peak of phonotaxis performance index preference functions became broader and shifted to higher pulse rate values at higher temperatures. Temperature-related changes in cricket songs between 21 and 30°C did not drastically affect the ability of flies to recognize cricket calling songs. These results confirm that temperature coupling can occur in eavesdroppers that are not genetically coupled with signallers.</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)
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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.