ultraviolet

Flower Colours through the Lens: Quantitative Measurement with Visible and Ultraviolet Digital Photography Background The study of the signal-receiver relationship between flowering plants and pollinators requires a capacity to accurately map both the spectral and spatial components of a signal...

Honeybees (Apis mellifera) Learn Color Discriminations via Differential Conditioning Independent of Long Wavelength (Green) Photoreceptor Modulation We tested honeybee vision using light emitting diodes centered on 414 and 424 nm wavelengths, which limit activation to the...