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Retinal regionalization and heterogeneity of butterfly eyes

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Abstract

The regional characteristics of the eyes of butterflies from different families have been surveyed using epi-illumination microscopy, utilizing the eyeshine visible due to the tapetum situated proximally to the rhabdom. All butterflies studied have a high spatial acuity in the frontal region. The facet diameter varies slightly across the eye, and the interommatidial angle and the eye parameter p are especially large dorsally. Whereas the ommatidial lattice is generally highly regular, the eyeshine colours distinctly depend on the species. Sometimes the eyeshine is locally uniform, but often it is heterogeneous. It is hypothesized that the regional characteristics as well as the local heterogeneity are adaptations that optimize spectral discrimination.

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Authors and Affiliations

  1. Department of Neurobiophysics, University of Groningen, The Netherlands

    D. Stavenga

  2. Graduate School of Integrated Science, Yokohama City University, Japan

    M. Kinoshita & K. Arikawa

  3. Department of Entomology, National Chung Hsing University, Taiwan

    E.-C. Yang

Authors
  1. D. Stavenga
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  2. M. Kinoshita
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  3. E.-C. Yang
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  4. K. Arikawa
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Accepted in revised form: 17 August 2001

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Stavenga, D., Kinoshita, M., Yang, EC. et al. Retinal regionalization and heterogeneity of butterfly eyes. Naturwissenschaften 88, 477–481 (2001). https://doi.org/10.1007/s001140100268

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  • DOI: https://doi.org/10.1007/s001140100268

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