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Keywords: ultraviolet
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Journal Articles
J Exp Biol (2021) 224 (18): jeb242802.
Published: 29 September 2021
...Susan D. Finkbeiner; Adriana D. Briscoe ABSTRACT In true color vision, animals discriminate between light wavelengths, regardless of intensity, using at least two photoreceptors with different spectral sensitivity peaks. Heliconius butterflies have duplicate UV opsin genes, which encode ultraviolet...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (23): jeb230979.
Published: 02 December 2020
... the spectral sensitivity of Gelasimus dampieri and to track diurnal changes in spectral sensitivity. G. dampieri has a broad spectral sensitivity and is most sensitive to wavelengths between 420 and 460 nm. Selective adaptation experiments uncovered an ultraviolet (UV) retinular cell with a peak sensitivity...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (9): jeb176727.
Published: 10 May 2018
... in macrostructure and nanostructure. This rich proximate background provides ample scope for reflectance to convey various types of information on individual quality. References Andersson , S. , Örnborg , J. and Andersson , M. ( 1998 ). Ultraviolet sexual dimorphism and assortative mating...
Includes: Supplementary data
Journal Articles
J Exp Biol (2016) 219 (18): 2790–2801.
Published: 15 September 2016
...Thomas W. Cronin; Michael J. Bok ABSTRACT Ultraviolet (UV) light occupies the spectral range of wavelengths slightly shorter than those visible to humans. Because of its shorter wavelength, it is more energetic (and potentially more photodamaging) than ‘visible light’, and it is scattered more...
Journal Articles
J Exp Biol (2015) 218 (17): 2675–2684.
Published: 01 September 2015
...Sarah D. Stellwagen; Brent D. Opell; Mary E. Clouse ABSTRACT Many spider orb-webs are exposed to sunlight and the potentially damaging effects of ultraviolet B (UVB) radiation. We examined the effect of UVB on the viscoelastic glycoprotein core of glue droplets deposited on the prey capture threads...
Includes: Supplementary data
Journal Articles
J Exp Biol (2014) 217 (15): 2698–2703.
Published: 01 August 2014
...Zhiyong Hu; Xin Xu; Zhanqi Chen; Hongze Li; Xiaoyan Wang; Lingbing Wu; Fengxiang Liu; Jian Chen; Daiqin Li Although many salticid spiders have been shown to have corneas that transmit ultraviolet (UV) light, whether the corneas of non-salticid spiders transmit UV has not been previously...
Journal Articles
J Exp Biol (2012) 215 (16): 2853–2859.
Published: 15 August 2012
...Zhiyong Hu; Fengxiang Liu; Xin Xu; Zhanqi Chen; Jian Chen; Daiqin Li SUMMARY Ultraviolet (UV) vision plays an important role in interspecific and intraspecific communication in many animals. However, UV vision and its adaptive significance have been investigated in only approximately 1% of more...
Journal Articles
J Exp Biol (2012) 215 (7): 1128–1136.
Published: 01 April 2012
... colour signal Thomisidae Thomisus UV ultraviolet predator–prey Even though sit-and-wait predators do not actively search for their food, several strategies have evolved that may increase their probability of capturing prey. Examples include the selection of profitable patches ( Janetos...
Includes: Supplementary data
Journal Articles
J Exp Biol (2008) 211 (15): 2423–2430.
Published: 01 August 2008
.... Using colour data on over 900 species of birds, we compared three methods of calculating sexual dichromatism using spectrophotometer data. We also compared sexual dichromatism calculated from spectrophotometer data, in both the ultraviolet (UV) and bird-visible range, with human estimates of sexual...
Includes: Supplementary data
Journal Articles
J Exp Biol (2008) 211 (9): 1376–1385.
Published: 01 May 2008
... ultraviolet-sensitive (UVS) cone mechanism adaptation shifted the peaks away from 90° towards either 0° or 180°. These results provide further confirmation that the 90° peak is dominated by the LWS cone mechanism and the 0° and 180° peaks are dominated by the UVS cone mechanism. In addition, a pharmacological...
Journal Articles
J Exp Biol (2006) 209 (21): 4304–4312.
Published: 01 November 2006
...Shu-Chun Chuang; Wei-Shan Lai; Jiun-Hong Chen SUMMARY The purpose of this study was to investigate the adverse effects of ultraviolet (UV) radiation on earthworms. Earthworms that crawl out of the soil may die within a few hours after sunrise. This study shows that UV exposure can be lethal...
Journal Articles
J Exp Biol (2005) 208 (20): 3925–3931.
Published: 15 October 2005
... 8 2005 © The Company of Biologists Limited 2005 2005 Thomisus spectabilis Apis mellifera communication vision colour signal ultraviolet Sensitivity in the ultraviolet (UV) range of the electromagnetic light spectrum is common in animal visual systems and occurs in all...
Journal Articles
J Exp Biol (2005) 208 (12): 2347–2361.
Published: 15 June 2005
...Johannes Spaethe; Adriana D. Briscoe SUMMARY Ultraviolet-sensitive photoreceptors have been shown to be important for a variety of visual tasks performed by bees, such as orientation, color and polarization vision, yet little is known about their spatial distribution in the compound eye or optic...
Includes: Supplementary data
Journal Articles
J Exp Biol (2005) 208 (8): 1453–1458.
Published: 15 April 2005
... the literature has failed to test preference across the full spectral range to which females might be sensitive, limiting analysis to the human-visible wavelengths of the electromagnetic spectrum. We studied the effects that the addition of ultraviolet wavelengths has on the mate-choice preferences of female...
Journal Articles
J Exp Biol (2004) 207 (10): 1683–1688.
Published: 15 April 2004
... of ultraviolet radiation. Plastic model flowers of similar spectral properties to flowers of tomato Lycopersicon esculentum Mill. were used to evaluate bee search efficiency. The results show that bumblebees perceive when ultraviolet radiation is either removed or added to an illumination source; however...
Journal Articles
J Exp Biol (2002) 205 (21): 3299–3306.
Published: 01 November 2002
...Emma L. Smith; Verity J. Greenwood; Andrew T. D. Bennett SUMMARY Whereas humans have three types of cone photoreceptor, birds have four types of single cones and, unlike humans, are sensitive to ultraviolet light(UV, 320-400 nm). Most birds are thought to have either a violet-sensitive single cone...
Journal Articles
J Exp Biol (2001) 204 (14): 2499–2507.
Published: 15 July 2001
...Sarah Hunt; Innes C. Cuthill; Andrew T. D. Bennett; Stuart C. Church; Julian C. Partridge SUMMARY There is growing evidence that ultraviolet (UV) wavelengths play an important role in avian mate choice. One of the first experiments to support this idea showed that female zebra finches ( Taeniopygia...
Journal Articles
J Exp Biol (2001) 204 (14): 2491–2498.
Published: 15 July 2001
...Stuart C. Church; Annabel S. L. Merrison; Toby M. M. Chamberlain SUMMARY It is well established that ultraviolet sensitivity plays an important role in the visually guided behaviour of birds. From a foraging perspective, evidence now exists that ultraviolet wavelengths are used by birds when...