Rhabdom evolution in butterflies: insights from the uniquely tiered and heterogeneous ommatidia of the Glacial Apollo butterfly, Parnassius glacialis.

@article{Matsushita2012RhabdomEI,
  title={Rhabdom evolution in butterflies: insights from the uniquely tiered and heterogeneous ommatidia of the Glacial Apollo butterfly, Parnassius glacialis.},
  author={Atsuko Matsushita and Hiroko Awata and Motohiro Wakakuwa and Shin-ya Takemura and Kentaro Arikawa},
  journal={Proceedings. Biological sciences},
  year={2012},
  volume={279 1742},
  pages={3482-90}
}
The eye of the Glacial Apollo butterfly, Parnassius glacialis, a 'living fossil' species of the family Papilionidae, contains three types of spectrally heterogeneous ommatidia. Electron microscopy reveals that the Apollo rhabdom is tiered. The distal tier is composed exclusively of photoreceptors expressing opsins of ultraviolet or blue-absorbing visual… CONTINUE READING