Optimal concentrations in nectar feeding

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August undefined, 2024

WebJan 22, 2024 · For bumblebees and honeybees, which feed on nectar by lapping, dipping their feathery glossa (tongue) into the nectar [ 9, 15, 16 ], models of drinking rates predict … WebA model is developed to elucidate the determinants of sugar concentrations in flower nectars. This model analyses the efficiency of sugar intake, or energy flux, which for …

Optimal concentrations in nectar feeding PNAS

WebJan 20, 2024 · However, these studies exploring optimal concentrations focused solely on the collection stage of nectar feeding, as opposed to the entire process (see sections below). For example, a later stage may have a greater impact on caloric uptake rates than the initial stage depending on the specifics of fluid transport (through tongue and bill) and ... WebMany insects and birds feed primarily or opportunistically on floral nectar. There are three principal techniques employed by nectar feeders: active suction, capillary suction, and … binghamton objects to loft project

Hummingbird feeding mechanics: Comments on the capillarity …

WebWe identify three nectar drinking techniques: active suction, capillary suction, and viscous dipping. For each, we deduce the dependence of the volume intake rate on the nectar … WebOptimal concentrations in nectar feeding Kim, Wonjung; Gilet, Tristan ; Bush, John W.M. 2011 • In Proceedings of the National Academy of Sciences of the United States of … Weboptimal nectar concentrations in capillary feeding; 2) The effects of tongue morphology, nectar volume, and licking behavior in maximizing rates of energy in- take; and 3) The consequences of and constraints on capillary and suction mechanisms for nectar feeders. czechoslovakia peasant art industry pottery

Sucking or lapping: facultative feeding mechanisms in honeybees

Erection mechanism of glossal hairs during honeybee feeding

WebDec 1, 2024 · Lehnert M S, Mulvane C P, Brothers A. Mouthpart separation does not impede butterfly feeding. Arthropod Structure & Development, 2014, 43, 97–102. Article Google Scholar Kim W, Gilet T, Bush J W M. Optimal concentrations in nectar feeding. Proceedings of the National Academy of Sciences, 2011, 108, 16618–16621. binghamton occt transportWebDec 7, 2015 · Nectar-intake movements consist of rapid protraction and retraction of glossa from a tube formed by the maxillae and labial palps. We establish a physical model to reveal the driving mechanism of hair erection. Results indicate that the glossa of honeybees is similar to a compression spring. binghamton occt bus

"WebAug 22, 2015 · In order to evaluate our model, we compared the model output against our empirical results from actual feeding birds, using the following model parameters: pa = 3. 3 kPa, E = 4 kPa, and four tube lengths from 10 to 13.4 … " - Optimal concentrations in nectar feeding

Optimal concentrations in nectar feeding

WebDec 7, 2024 · The range of theoretically optimal concentrations found rationalizes the nectar concentration (35%) of flowers pollinated by honey bees in nature, providing a possible mechanistic explanation for the bees' preferred nectar concentration. ... Kim W, Gilet T and Bush J W 2011 Optimal concentrations in nectar feeding Proc. Natl Acad. Sci. 108 ... WebSep 25, 2015 · Nectar-feeding bats constitute the largest number of specialized nectarivorous mammals and are found in two families: the Old World fruit bats (Pteropodidae) and the New World leaf-nosed bats (Phyllostomidae) in a number of genera traditionally placed in the subfamily Glossophaginae (6, 7).Floral nectar is generally …

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WebNectar-feeding birds (e.g., hummingbirds* and sunbirds) employ capillary suction, in which capillary pressure drives flow along the ... Inset: Optimal concentrations for suction … WebOct 15, 2024 · In nature, bees with damaged tongues are adapted to have a feat in collecting nectariferous sources in a large spectrum of concentrations (19%–69%) or viscosities (10 –3 Pa·s to 10 –1 Pa·s); however, effects of nectar property on compensated dipping behavior remain elusive.

WebSep 26, 2011 · We here rationalize the different optimal concentrations reported for the different drinking strategies by developing a dynamic model for viscous dipping and … WebMar 1, 2015 · From the formula of nectar intake mass listed above, we can speculate that if all of the hairs erect vertically, namely α ( x )=90°, the proboscis will ideally lift the largest amount of nectar, which can be calculated as . However, the average erection angle was 37.26°, which was not in accordance with the optimal erection angles.

WebAug 5, 2003 · 1 . Specialised nectar-feeding birds tend to prefer sucrose over glucose-fructose mixtures or to be indifferent when tested at concentrations close to 584 mmol L −1 sucrose equivalents. The role of the potential interaction between sugar composition and concentration on the sugar preferences of these birds, however, has not been explored. WebSep 26, 2011 · A relatively complete physical picture of the fluid dynamics of nectar feeding has emerged. First and foremost, the optimal nectar concentration for a given creature …

WebAs sucrose concentration increased, the volume of solution ingested per meal first increased and then decreased gradually, while sucrose intake was highest at concentrations ≧40%. Females fed more than males at all concentrations >10% while temperature had no significant effect on meal size.

WebAug 12, 2024 · We found that the optimal concentration of suction mode in honeybees coincided with the one calculated for other typical suction feeders. Moreover, we found … czechoslovakia part of russiaWebof nectar trapping, as opposed to capillarity, while feeding (cf. 2, 5). Hence, the outputs of their model and conclusions with regard to optimal concentrations in nectar feeding may be broadly unrealistic. Alejandro Rico-Guevara1 and Margaret A. Rubega Department of Ecology and Evolutionary Biology, University of Connecticut, Storrs, CT 06269 1. czechoslovakia on world maphttp://oastats.mit.edu/handle/1721.1/72959 binghamton occupational therapyWebApr 10, 2012 · By demonstrating that this model successfully predicts the dependence of nectar intake rate on nectar concentration, Kim et al. [18] recently provided a rationale for the optimal... czechoslovakia peace in our timeWebThe model predicts that optimal sugar concentrations vary for particular pollinators as a function of two primary factors: (1) the energy flux derived from the nectar, as discussed above, as well as (2) the relative contribution of transit costs to overall foraging costs. ... Daniel TL (1983) Mechanical determinants of nectar feeding strategy ... binghamton observatoryWebNov 12, 2024 · The western honey bee, Apis mellifera L. (Hymenoptera), is arguably the most important pollinator worldwide. While feeding, A. mellifera uses a rapid back-and-forth motion with its brush-like mouthparts to probe pools and films of nectar. Because of the physical forces experienced by the mouthparts during the feeding process, we … czechoslovakia porcelain figural dishWebNational Center for Biotechnology Information czechoslovakia plastic pipe in case