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Keywords: Sensitivity
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Journal Articles
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J Exp Biol (2021) 224 (13): jeb242166.
Published: 07 July 2021
... hosts, which are also used to discriminate between hosts and non-hosts, and A. vaga demonstrated a behavioural activity for 4-oxoisophorone. A high sensitivity to floral scents enables the specialized bees to effectively find flowers and it appears that A. vaga bees are highly tuned to 4-oxoisophorone...
Includes: Supplementary data
Journal Articles
J Exp Biol (2011) 214 (8): 1283–1293.
Published: 15 April 2011
... complex non-spherical shapes reminiscent of those described in other ocelli. Intracellular electrophysiology revealed that the photoreceptors have high absolute sensitivity, but that the threshold location varied widely between 10 9 and 10 11 photons cm –2 s –1 . Higher sensitivity and greater visual...
Includes: Supplementary data
Journal Articles
J Exp Biol (2009) 212 (15): 2448–2453.
Published: 01 August 2009
... and role as pollinators, much less is known about the other Apis species. We studied the anatomical spatial resolution and absolute sensitivity of the eyes of three sympatric species of Asian honeybees, Apis cerana , Apis florea and Apis dorsata and compared them with the eyes of A. mellifera...
Journal Articles
J Exp Biol (2008) 211 (11): 1737–1746.
Published: 01 June 2008
..., have only around 30 times greater optical sensitivity than the eyes of their closest diurnal relatives, a fact that is apparently inconsistent with their remarkable nocturnal visual abilities. Moreover, signals generated in the photoreceptors, even though amplified by a high transduction gain, are too...
Journal Articles
J Exp Biol (2006) 209 (5): 781–788.
Published: 01 March 2006
... of photoreceptors, they use one highly sensitive receptor, thus improving the signal-to-noise ratio. However, nocturnal moths and geckos can discriminate colours at extremely dim light intensities when humans are colour-blind, by sacrificing spatial and temporal rather than spectral resolution. The advantages...
Journal Articles
J Exp Biol (1992) 170 (1): 57–69.
Published: 01 September 1992
... eye gastropod sensitivity resolution optics Littorina littorea J. exp. Biol. 170, 57-69 (1992) 5 7 Primed in Great Britain © The Company of Biologists Limited 1992 RESOLUTION AND SENSITIVITY IN THE EYE OF THE WINKLE UTTORINA LITTOREA BY JAN-OLOF SEYER Department of Zoology, University...