response to optical cue during pre-oviposition stage and oviposition response to chromaticity Chromaticity results from (i)its hue, or dominant wavelengths, and (ii) its chroma (saturation), the extend to which the predominant colour is unadulterated with white. Experiments with females of Aedes aegypti showed that acceptance was low to green and yellow-green, moderate to orange, and high to violet and red. IDOMAL:0002328 IDOMAL:0002328 idomal_namespace