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| 1 | Psychophysics of the hoverfly: categorical or continuous color discrimination?显示文摘There is increasing interest in flies as potentially important pollinators. Flies are known to have a complex visual system, in eluding 4 spectral classes of photoreceptors that con tribute to the perception of color. Our current understanding of how color signals are perceived by flies is based on data for the blowfly Lucilia sp., which after being conditi oned to rewarded mono chromatic light stimuli, showed evidenee of a categorical color visual system. The resulting opponent fly color space has 4 distinct categories, and has been used to interpret how some fly pollinators may perceive flower colors. However, formal proof that flower flies (Syrphidae) only use a simple, categorical color process remains outstanding. In free-flying experiments, we tested the hoverfly Eristalis tenax, a Batesian mimic of the honeybee, that receives its nutrition by visiting flowers. Using a range of broadband similar-dissimilar color stimuli previously used to test color perception in pollinating hymenopteran species, we evaluated if there are steep changes in behavioral choices with continuously increasing color differences as might be expected by categorical color processing. Our data revealed that color choices by the hoverfly are mediated by a continuous monotonic function. Thus, these flies did not use a categorical processing, but showed evidenee of a color discrimination function similar to that observed in several bee species. We therefore empirically provide data for the minimum color distanee that can be discriminated by hoverflies in fly color space, enabling an improved un derstandi ng of plant-poll in ator interactions with a non-model insect species. | Lea Hannah Adrian G. Dyer Jair E. Garcia Alan Dorin Martin Burd | 2019 | Current Zoology2019，65，4： | 2 |
| 2 | Exchange diffusion of Cu^2+,Ni^2+,Pb^2+ and Zn^2+ into analcime synthesized from perlite显示文摘 | Sudapom T Kunwadee R Alan Dyer | 2004 | Microporous and Mesoporous Materials2004，75，3： | 1 |
| 3 | Ion exchange of Cu^2+, Ni^2+, pb^2+ and Zn^2+ in analcime (ANA)synthesized from Thai per]ire 显示文摘 | S TANGKAWANIT K RANGSRIWATANANON ALAN DYER | 2005 | Microporous and Mesoporous Materials2005，79，： | 1 |
| 4 | Ion-exchange in chabazite显示文摘 | ALAN Dyer MOHAMMAD Zubair | 1998 | Microporous and Mesoporous Materials1998，22，2： | 1 |
| 5 | Urinary biochemical markers of dietary intake in the INTERSALT study显示文摘 | Alan Dyer Paul Elliott Chee D | 1997 | Am J Clin Nutr1997，65，4： | 1 |
| 6 | Ion exchange of Cu2+,Ni2+,Pb2+ and Zn2+ in analcime (ANA) synthesized from Thai perlite显示文摘 | SUDAPORN Tangkawanit KUNWADEE Rangsriwatananon ALAN Dyer | 2005 | Microporous and Mesoporous Materials2005，79，1： | 1 |
| 7 | 25- Hydroxyvitamin D and cardiovascular risk factors in women with systemic lupus erythematosus 显示文摘 | Wu Peggy W Rhew Elisa Y Dyer Alan R | 2009 | Arthritis Rheum2009，10，61： | 1 |
| 8 | The Hyperglycemia and Adverse Pregnancy Outcome (HAPO) study: paving the way for new diagnostic criteria for gestational diabetes mellitus显示文摘 | Donald R. Coustan Lynn P. Lowe Boyd E. Metzger Alan R. Dyer | 2010 | American Journal of Obstetrics and Gynecology2010，，6： | 1 |
| 9 | The Hyperglycemia and Adverse Pregnancy Outcome (HAPO) study: paving the way for new diagnostic criteria for gestational diabetes mellitus显示文摘 | Donald R. Coustan Lynn P. Lowe Boyd E. Metzger Alan R. Dyer | 2010 | American Journal of Obstetrics and Gynecology2010，，6： | 1 |
| 10 | Pulse Pressure Compared With Other Blood Pressure Indexes in the Prediction of 25-Year Cardiovascular and All-Cause Mortality Rates: The Chicago Heart Association Detection Project in Industry Study显示文摘 | Katsuyuki Miura Alan R. Dyer Philip Greenland Martha L. Daviglus MaryAnn Hill Kiang Liu Daniel B. Garside Jeremiah Stamler | 2001 | Hypertension: Journal of the American Heart Association2001，，2： | 1 |
| 11 | Alcohol Consumption, Cardiovascular Risk Factors, and Mortality in Two Chicago Epidemiologic Studies显示文摘 | ALAN R. DYER JEREMIAH STAMLER OGLESBY PAUL DAVID M. BERKSON MARK H. LEPPER HARLLEY MCKEAN RICHARD B. SHEKELLE HOWARD A. LINDBERG DAN GARSIDE | 1977 | Circulation1977，，6： | 1 |
| 12 | Exchange diffusion of Cu^2+ , Ni^2+ , Pb^2+ and Zn^2+ into analcime synthesized from perlite 显示文摘 | Alan Dyer Sudaporn Tangkawanit Kunwadee Rangsriwatananon | 2004 | Microporous and Mesoporous Materials2004，75，： | 1 |
| 13 | Ion exchange of Cu2+ , Ni2+ , Pb2+ and Zn2+ into analeime (ANA) synthesized from Thai perlite 显示文摘 | Sudaporn Tangkawanit Kunwadee Rangsriwatananon Alan Dyer | 2004 | Mieroporous and Mesoporous Materials2004，79，： | 1 |
| 14 | Pulse pressure compared with other blood pressure indexes in the prediction of 25 year cardiovascular and allcause mortality rates显示文摘 | Katsuyuki M Alan R Dyer | 2001 | Hypertension2001，38，： | 1 |
| 15 | 星空延时视频制作指南显示文摘在胶片摄影时代,只有个别摄影师尝试过制作星空延时摄影。为此,他们必须使用非常昂贵的、定制的电影摄影机。如今,数码单反相机已经使延时摄影相当普及,这使得几乎任何人都能制作出具有巨幕电影级别分辨率的视频。不过要想取得成功,还需要学习一些有用的技巧。 | Alan Dyer 傅承启 | 2015 | 中国国家天文2015，0，11： | 0 |
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