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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 03713naa a2200457 4500 | |
| 001 | oai:lup.lub.lu.se:d328bd22-0a9f-4c79-babe-4de206491ebd | |
| 003 | SwePub | |
| 008 | 160401s2006 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://lup.lub.lu.se/record/6297112 URI |
| 024 | 7 | a https://doi.org/10.1093/beheco/arj0012 DOI |
| 040 | a (SwePub)lu | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a art2 swepub-publicationtype |
| 072 | 7 | a ref2 swepub-contenttype |
| 100 | 1 | a Kelber, Almutu Lund University,Lunds universitet,Funktionell zoologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Functional zoology,Department of Biology,Faculty of Science4 aut0 (Swepub:lu)zool-ake |
| 245 | 1 0 | a Light intensity limits the foraging activity in nocturnal and crepuscular bees. |
| 264 | c 2005-11-16 | |
| 264 | 1 | b Oxford University Press (OUP),c 2006 |
| 520 | a A crepuscular or nocturnal lifestyle has evolved in bees several times independently, probably to explore rewarding pollen sources without competition and to minimize predation and nest parasites. Despite these obvious advantages, only few bee species are nocturnal. Here we show that the sensitivity of the bee apposition eye is a major factor limiting the ability to forage in dim light. We present data on eye size, foraging times, and light levels for Megalopta genalis (Augochlorini, Halictidae) in Panama, and Lasioglossum (Sphecodogastra) sp. (Halictini, Halictidae) in Utah, USA. M. genalis females forage exclusively during twilight, but as a result of dim light levels in the rain forest, they are adapted to extremely low intensities. The likely factor limiting their foraging activity is finding their nest entrance on return from a foraging trip. The lowest light intensity at which they can do this, both in the morning and the evening, is 0.0001 cd m–2. Therefore, they leave the nest at dimmer light levels in the morning than in the evening. Lasioglossum (Sphecodogastra) foraging is limited by light intensity in the evening, but probably by temperature in the morning in the temperate climate of Utah. We propose that the evolution of nocturnality in bees was favored by the large variance in the size of females. | |
| 650 | 7 | a NATURVETENSKAPx Biologix Zoologi0 (SwePub)106082 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Biological Sciencesx Zoology0 (SwePub)106082 hsv//eng |
| 653 | a insects | |
| 653 | a foraging | |
| 653 | a ocelli | |
| 653 | a visual ecology. | |
| 653 | a sensitivity | |
| 653 | a eyes | |
| 653 | a bees | |
| 700 | 1 | a Warrant, Ericu Lund University,Lunds universitet,Funktionell zoologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Functional zoology,Department of Biology,Faculty of Science4 aut0 (Swepub:lu)zool-ewa |
| 700 | 1 | a Pfaff, M4 aut |
| 700 | 1 | a Wallén, Ritau Lund University,Lunds universitet,Funktionell zoologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Functional zoology,Department of Biology,Faculty of Science4 aut0 (Swepub:lu)zool-rwa |
| 700 | 1 | a Theobald, Jamieu Lund University,Lunds universitet,Biologiska institutionen,Naturvetenskapliga fakulteten,Department of Biology,Faculty of Science4 aut0 (Swepub:lu)cob-jth |
| 700 | 1 | a Wcislo, W4 aut |
| 700 | 1 | a Raguso, R4 aut |
| 710 | 2 | a Funktionell zoologib Biologiska institutionen4 org |
| 773 | 0 | t Behavioral Ecologyd : Oxford University Press (OUP)g 17:1, s. 63-72q 17:1<63-72x 1045-2249x 1465-7279 |
| 856 | 4 | u http://dx.doi.org/10.1093/beheco/arj001x freey FULLTEXT |
| 856 | 4 | u https://academic.oup.com/beheco/article-pdf/17/1/63/17274870/arj001.pdf |
| 856 | 4 8 | u https://lup.lub.lu.se/record/629711 |
| 856 | 4 8 | u https://doi.org/10.1093/beheco/arj001 |
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