Home > Uncategorized > Eye adaptations for a day-night lifestyle

Eye adaptations for a day-night lifestyle

We are used to the idea that the visual systems and behaviour of ants will be tuned to the foraging habits of particular species. For some species their niche may present more of a challenge. We have already met the Intertidal ant Polyrhachis sokolova <https://insectandrobotnavigation.wordpress.com/2013/09/09/navigating-in-the-mudflats/> who foraging between the tides, occasionally having to swim! to achieve this. Here, Narendra et al. look at the eye adaptations of this ant. The headline finding is that there exists a pupillary mechanism which protects the photoreceptors from bright light, making the eyes less sensitive during the day.
 
Narendra A, Alkaladi A, Raderschall CA, Robson SKA, Ribi WA (2013) Compound Eye Adaptations for Diurnal and Nocturnal Lifestyle in the Intertidal Ant, Polyrhachis sokolova. PLoS ONE 8(10): e76015.
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