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1,854 results for “Host plant”
Figure 1 from: Wcislo A, Graham X, Stevens S, Toppe JE, Wcislo L, Wcislo WT (2021) Azteca ants repair damage to their Cecropia host plants. Journal of Hymenoptera Research 88: 61-70. https://doi.org/10.3897/jhr.88.75855
Figure 1 Natural and experimentally made holes in the walls of Cecropia stems, exposing the interior of the internode, and repair patches applied by ants (scale bars, mm) a a natural entrance to an internode opened and maintained by the ants b a newly drilled 6.4 mm hole in a stem (diameter of seventh internode from terminal bud = 19 mm, of 23 internodes total) c rapid reduction in hole diameter after 2.5 hours (arrow points to the remaining hole) d slower reduction in hole diameter after 24 hrs (dashed arrow points to the remaining hole), with a light-colored patch over half the hole (solid arrow) (diameter of sixth internode from terminal bud = 1 cm, of 50 internodes total).
Introduced honey bees increase host plant abundance but decrease native bumble bee species richness and abundance
<p>Long-term variation in the population density of introduced honey bees (<em>Apis mellifera)</em> has been shown to be associated with variations in floral traits in alpine lotus (<em>Saussurea nigrescens</em>). However, it remains to be determined whether a high density of honey bees affects the abundance of nectariferous plants and the species richness and abundance of native bumble bees. We predicted that a high density of introduced honey bees lasting three decades would decrease the species richness and abundance of native bumble bees but increase the abundance of honeybee host plant species. Here, the field experiments were conducted to examine the diversity of nectariferous plants and native bumble bees along the typical gradients of honey bee density (high density of honey bee at close apiary and low density of honey bee at distant of apiary). We investigated nectariferous plant abundance, floral and seed traits, bumble bee species richness and abundance at sites with either a high or low honey bee density in an alpine meadow. Our results demonstrated that an increased population of introduced honey bees was associated with increased host plant abundance and flower/capitula number per plant but decreased nectar volume per flower, seed mass, species richness and abundance of native bumble bees. The bumble bee visitation rate was positively correlated with nectar volume per flower at sites close to and far from apiaries. The honey bee visitation rate was positively correlated with flower/capitula number per plant at sites close to apiaries and nectar volume per flower at sites far from apiaries. Seed mass was negatively correlated with nectariferous plant abundance. Our findings showed that introduced honey bees decreased the species richness and abundance of native bumble bees, attributed to evolutionary decrease nectar resources among honey bee host plant species, but increased the abundance of nectariferous plants, attributed to the production of many small seeds by plants. This suggests that long-term high-density beekeeping affects the biodiversity of honey bee host plants and native bumble bees. Our results provide new insights into the mechanisms of maintaining the biodiversity of nectariferous plants and native bumble bees.</p>
The effects of host plant species and larval density on immune function in the polyphagous moth Spodoptera littoralis
<p>Immune functions are costly and immune investment is usually dependent on the individual's condition and resource availability. For phytophagous insects, host plant quality has large effects on performance, e.g. growth and survival, and may also affect their immune function. Polyphagous insects often experience a large variation in quality among different host plant species, and their immune investment may thus vary depending on which host plant species they develop on. Larvae of the polyphagous moth <i>Spodoptera littoralis</i>have previously been found to exhibit density-dependent prophylaxis as they invest more in certain immune responses in high population densities. In addition, the immune response of <i>S. littoralis </i>has been shown to depend on nutrient quality in experiments with artificial diet. Here, I studied the effects of natural host plant diet and larval density on a number of immune responses to understand if host plant species affects immune investment in generalist insects, and if the density-dependent prophylaxis could be mediated by host plant species. While host plant species in general did not mediate the density-dependent immune expression, particular host plant species was found to increase larval investment in certain functions of the immune system. Interestingly, these results indicate that different host plants may provide a polyphagous species with protection against different kinds of antagonisms. This insight may contribute to our understanding of the relationship between preference and performance in generalists, as well as having applied consequences for sustainable pest management.</p>
Fig. 11 in Review of the fritillary species systematically close to Melitaea lutko Evans, 1932 (Lepidoptera: Nymphalidae) with analysis of their geographic distribution and interrelations with host plants
Fig. 11. Female genitalia (without the anal papillae, copulatory bursa, and anterior and posterior apophyses). A–C. Melitaea timandra timandra Coutsis & van Oorschot, 2014, S Turkmenistan, SaryYazy, alt. 300 m. D–I. M. timandra binaludica subsp. nov. D–F. Iran, Rezavi Khorassan Prov., Kuh-eBinalud Mts, Dorrud v. vicinity, alt. 2430 m. G–H. Iran, Mazandaran Prov., S macroslopes of Albors Mts, 80 km SE of Sari, 5 km NE of Foulad Mahhaleh v., E slopes of Sultan Kuh Mt., alt. 2000 m. I. Afghanistan, Bamian Prov., Band-e-Amir, alt. 3200 m.
FIGURE 18 in Description of the female of Copestylum tigrinum Ricarte & Hancock in Ricarte et al., 2015 (Diptera, Syrphidae), first record in mainland South America and new larval host plant
FIGURE 18. New distributional records for Copestylum tigrinum Ricarte & Hancock.
FIGURES 1–2 in Description of the female of Copestylum tigrinum Ricarte & Hancock in Ricarte et al., 2015 (Diptera, Syrphidae), first record in mainland South America and new larval host plant
FIGURES 1–2. Casearia combaymensis Tul. (Salicaceae): 1. Tree; 2. Fruits.
FIGURE 2 in Host plants of fruit flies (Diptera: Tephritidae) in Morocco
FIGURE 2. Species rates by host plants families
FIGURE 1 in Host plants of fruit flies (Diptera: Tephritidae) in Morocco
FIGURE 1. Map of collecting sites.
Figures 33-39 from: Tang C-T, Mikó I, Nicholls JA, Schwéger S, Yang M-M, Stone GN, Sinclair F, Bozsó M, Melika G, Pénzes Z (2016) New Dryocosmus Giraud species associated with Cyclobalanopsis and non-Quercus host plants from the Eastern Palaearctic (Hymenoptera, Cynipidae, Cynipini). Journal of Hymenoptera Research 53: 77-162. https://doi.org/10.3897/jhr.53.9890
Figures 33-39 - Dryocosmus crinitus, female, sp. n. 33–36 head: 33 frontal view 34 dorsal view 35 posterior view 36 lateral view 37 antenna 38 pronotum and propleuron, frontal view 39 mesosoma, dorsal view.
Figures 29-32 from: Tang C-T, Mikó I, Nicholls JA, Schwéger S, Yang M-M, Stone GN, Sinclair F, Bozsó M, Melika G, Pénzes Z (2016) New Dryocosmus Giraud species associated with Cyclobalanopsis and non-Quercus host plants from the Eastern Palaearctic (Hymenoptera, Cynipidae, Cynipini). Journal of Hymenoptera Research 53: 77-162. https://doi.org/10.3897/jhr.53.9890
Figures 29-32 - Dryocosmus caputgrusi sp. n. 29–30 female, metasoma: 29 lateral view 30 dorsal view 31–32 galls (photos by C.-T. Tang).
Figures 40-47 from: Tang C-T, Mikó I, Nicholls JA, Schwéger S, Yang M-M, Stone GN, Sinclair F, Bozsó M, Melika G, Pénzes Z (2016) New Dryocosmus Giraud species associated with Cyclobalanopsis and non-Quercus host plants from the Eastern Palaearctic (Hymenoptera, Cynipidae, Cynipini). Journal of Hymenoptera Research 53: 77-162. https://doi.org/10.3897/jhr.53.9890
Figures 40-47 - Dryocosmus crinitus, female, sp. n. 40 mesosoma, lateral view 41 mesoscutellum, dorsal view 42 metascutellum and propodeum, posterior view 43 fore wing 44 metasoma, lateral view 45 ventral spine of hypopygium, ventral view 46–47 galls (photos by C.-T. Tang) (tps=transverse pronotal sulcus, cpa=central propodeal area).
Figures 24-28 from: Tang C-T, Mikó I, Nicholls JA, Schwéger S, Yang M-M, Stone GN, Sinclair F, Bozsó M, Melika G, Pénzes Z (2016) New Dryocosmus Giraud species associated with Cyclobalanopsis and non-Quercus host plants from the Eastern Palaearctic (Hymenoptera, Cynipidae, Cynipini). Journal of Hymenoptera Research 53: 77-162. https://doi.org/10.3897/jhr.53.9890
Figures 24-28 - Dryocosmus caputgrusi, female, sp. n. 24 mesosoma, lateral view 25 mesosoma, dorsal view 26 mesosoma and propodeum, posterodorsal view 27 metascutellum and propodeum, posterodorsal view 28 fore wing, part (tel=transepisternal line, dms=disc of mesoscutellum, spe=speculum).
Figures 48-55 from: Tang C-T, Mikó I, Nicholls JA, Schwéger S, Yang M-M, Stone GN, Sinclair F, Bozsó M, Melika G, Pénzes Z (2016) New Dryocosmus Giraud species associated with Cyclobalanopsis and non-Quercus host plants from the Eastern Palaearctic (Hymenoptera, Cynipidae, Cynipini). Journal of Hymenoptera Research 53: 77-162. https://doi.org/10.3897/jhr.53.9890
Figures 48-55 - Dryocosmus harrisonae sp. n. 48–50 head, female: 48 frontal view 49 dorsal view 50 posterior view 51–52 head, male: 51 frontal view 52 dorsal view 53–54 antenna: 53 female 54 male 55 mesosoma, female, lateral view (gen=gena, spe=speculum).
Figures 182-186 from: Tang C-T, Mikó I, Nicholls JA, Schwéger S, Yang M-M, Stone GN, Sinclair F, Bozsó M, Melika G, Pénzes Z (2016) New Dryocosmus Giraud species associated with Cyclobalanopsis and non-Quercus host plants from the Eastern Palaearctic (Hymenoptera, Cynipidae, Cynipini). Journal of Hymenoptera Research 53: 77-162. https://doi.org/10.3897/jhr.53.9890
Figures 182-186 - 182–183 Dryocosmus carlesiae, female: 182 mesosoma, lateral view 183 mesoscutellum, dorsal view. 184–186 Dryocosmus kuriphilus, female: 184 mesosoma, lateral view 185 mesoscutellum, dorsal view 186 head, frontal view (tel=transepisternal line, dms=disc of mesoscutellum, spe=speculum, gen=gena).
Figures 18-23 from: Tang C-T, Mikó I, Nicholls JA, Schwéger S, Yang M-M, Stone GN, Sinclair F, Bozsó M, Melika G, Pénzes Z (2016) New Dryocosmus Giraud species associated with Cyclobalanopsis and non-Quercus host plants from the Eastern Palaearctic (Hymenoptera, Cynipidae, Cynipini). Journal of Hymenoptera Research 53: 77-162. https://doi.org/10.3897/jhr.53.9890
Figures 18-23 - Dryocosmus caputgrusi, female, sp. n. 18–21, head: 18 frontal view 19 posterior view 20 dorsal view 21 lateral view 22 antenna 23 pronotum and propleuron, frontal view.
Figures 169-173 from: Tang C-T, Mikó I, Nicholls JA, Schwéger S, Yang M-M, Stone GN, Sinclair F, Bozsó M, Melika G, Pénzes Z (2016) New Dryocosmus Giraud species associated with Cyclobalanopsis and non-Quercus host plants from the Eastern Palaearctic (Hymenoptera, Cynipidae, Cynipini). Journal of Hymenoptera Research 53: 77-162. https://doi.org/10.3897/jhr.53.9890
Figures 169-173 - Dryocosmus taitungensis sp. n. 169 metascutellum and propodeum, female, posterodorsal view 170 fore wing, female, part 171 metasoma, lateral view 172–173 galls (photos by C.-T. Tang).
Figures 16-17 from: Tang C-T, Mikó I, Nicholls JA, Schwéger S, Yang M-M, Stone GN, Sinclair F, Bozsó M, Melika G, Pénzes Z (2016) New Dryocosmus Giraud species associated with Cyclobalanopsis and non-Quercus host plants from the Eastern Palaearctic (Hymenoptera, Cynipidae, Cynipini). Journal of Hymenoptera Research 53: 77-162. https://doi.org/10.3897/jhr.53.9890
Figures 16-17 - Dryocosmus cannoni, sp. n. 16 metasoma, female, lateral view 17 gall (photo by C.-T. Tang).
Figures 174-181 from: Tang C-T, Mikó I, Nicholls JA, Schwéger S, Yang M-M, Stone GN, Sinclair F, Bozsó M, Melika G, Pénzes Z (2016) New Dryocosmus Giraud species associated with Cyclobalanopsis and non-Quercus host plants from the Eastern Palaearctic (Hymenoptera, Cynipidae, Cynipini). Journal of Hymenoptera Research 53: 77-162. https://doi.org/10.3897/jhr.53.9890
Figures 174-181 - 174–175 Dryocosmus pentagonalis: 174 head, female, dorsal view 175 head, male, frontal view. 176–177 Dryocosmus triangularis: 176 head, female, dorsal view 177 head, male, frontal view 178–179 Dryocosmus pentagonalis, female: 178 mesoscutellum, dorsal view 179 mesosoma, lateral view, part 180–181 Dryocosmus testisimilis, female: 180 central propodeal area, posterior view 181 mesoscutum, dorsal view (dms=disc of mesoscutellum, not=notaulus).
Figures 162-168 from: Tang C-T, Mikó I, Nicholls JA, Schwéger S, Yang M-M, Stone GN, Sinclair F, Bozsó M, Melika G, Pénzes Z (2016) New Dryocosmus Giraud species associated with Cyclobalanopsis and non-Quercus host plants from the Eastern Palaearctic (Hymenoptera, Cynipidae, Cynipini). Journal of Hymenoptera Research 53: 77-162. https://doi.org/10.3897/jhr.53.9890
Figures 162-168 - Dryocosmus taitungensis, female, sp. n. 162–164 head: 162 frontal view 163 dorsal view 164 posterior view 165 antenna 166 mesosoma, lateral view 167 mesoscutellum, dorsal view 168 mesoscutum, dorsal view (tel=transepisternal line, spe=speculum).
Figures 159-161 from: Tang C-T, Mikó I, Nicholls JA, Schwéger S, Yang M-M, Stone GN, Sinclair F, Bozsó M, Melika G, Pénzes Z (2016) New Dryocosmus Giraud species associated with Cyclobalanopsis and non-Quercus host plants from the Eastern Palaearctic (Hymenoptera, Cynipidae, Cynipini). Journal of Hymenoptera Research 53: 77-162. https://doi.org/10.3897/jhr.53.9890
Figures 159-161 - Dryocosmus salicinai sp. n. 159 metasoma, female, lateral view 160–161 galls (photos by C.-T. Tang).
ScienceDex guides
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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.