ANSWER: Both are the same
Explanation:
This enables the species (Common bluebottles or Graphium sarpedon) to observe fast moving objects better than even humans and differentiate between UV and polarised light. Earlier, no known insect had more than 9 classes of photoreceptors according to researchers. Such photoreceptors are like the rods and cons in the human eye. Having multiple photoreceptors is indispensable for observing colour. A similar system was found in another butterfly studied by this research group, the Asian swallowtail or Papilio xuthus. This has around 6 photoreceptors.
