Optimal concentrations in nectar feeding

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WebDec 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. WebJun 6, 2013 · Optimization of sugar flow and transport efficiency predicts optimal concentrations of 23.5 per cent (if the pressure differential driving the flow is independent of concentration) and 34.5 per cent (if the pressure is proportional to concentration).

Optimal sugar concentrations of floral nectars

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. WebOptimal sugar concentrations of floral nectars -dependence on sugar intake efficiency and foraging costs Oecologia. 1983 Nov;60 (2):198-213. doi: 10.1007/BF00379522. Author Amy J Heyneman 1 Affiliation 1 Department of Zoology, University of California, 90027, Berkeley, CA, USA. PMID: 28310487 DOI: 10.1007/BF00379522 Abstract lakewood wa passport office

Optimization in nectar feeding - John W. M. Bush

WebApr 1, 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... 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 ... 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 … helmer quickthaw dh8

The Honeybee’s Protrusible Glossa is a Compliant Mechanism

Optimal concentrations in nectar feeding - pnas.org

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 … WebMar 20, 2011 · We identify three nectar drinking techniques: active suction, capillary suction, and viscous dipping. For each, we deduce the dependence of the volume intake rate on … helmer printingWebSummary. A 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 … lakewood wa parks and recreation

"WebFeb 7, 2024 · Harder LD (1986) Effects of nectar concentration and flower depth on flower handling efficiency of bumble bees. Oecologia 69:309–315. Article PubMed Google Scholar Kim W, Gilet T, Bush JWM (2011) Optimal concentrations in nectar feeding. Proc Natl Acad Sci USA 108:16618–16621 " - Optimal concentrations in nectar feeding

Optimal concentrations in nectar feeding

Concentration‐dependent sugar preferences in nectar‐feeding …

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 … WebSep 24, 2024 · Optimal concentrations for nectar drinking are limited by the steep increase in the viscosity of sugar solutions with concentration. However, nectar viscosity is inversely related to temperature, which suggests there are advantages to foraging from flowers that are warmer than the surrounding air.

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WebOptimal concentrations in nectar feeding WebThe 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 ...

WebNov 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 … Webof 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.

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. WebNational Center for Biotechnology Information

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helmer property services ltdWebDec 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 ... helmer rainWebMar 20, 2011 · For each, we deduce the dependence of the volume intake rate on the nectar viscosity and thus infer an optimal sugar concentration consistent with laboratory measurements. Our results provide the first rationale for why suction feeders typically pollinate flowers with lower sugar concentration nectar than their counterparts that use … lakewood wa municipal codeWebSep 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 … lakewood wa personal injury attorneyWebA 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 … lakewood wa phone directoryWebWe 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 … lakewood wa road conditionsWebDec 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. helmer refrigerator service contact