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A six-rhabdomere, open rhabdom arrangement in the eye of the chrysanthemum beetle Phytoecia rufiventris: some ecophysiological predictions based on eye anatomy

VICTOR BENNO MEYER-ROCHOW1,2,*, MONALISA MISHRA1
1. Faculty of Engineering and Sciences, Jacobs University, Bremen, D-28759, Germany.
2. Department of Biology (Eläinmuseo), University of Oulu, SF-90014 Oulu, Finland.
* Address correspondence to: V.B. Meyer-Rochow. E-mail: b.meyer-rochow@jacobs-university.de

BIOCELL 2009, 33(2), 115-120. https://doi.org/10.32604/biocell.2009.33.115

Abstract

We are describing a rhabdom organization of the eye of the chrysanthemum beetle Phytoecia rufiventris that to date has not been described from any other insect. In cerambycid beetles free rhabdomeres, forming a circular, open rhabdom, surround a central rhabdom made up of the rhabdomeres of one or two cells. In Phytoecia rufiventris the central rhabdomeres are missing throughout the eye and the microvilli of the outer 6 rhabdomeres are regularly oriented in three directions. Following the classification of rhabdom types suggested by Wachmann (1979), we suggest to name the rhabdom arrangement seen in the retina of Phytoecia rufiventris “Grundmuster 3”. This pattern ought to facilitate polarization sensitivity and movement perception, features that agree with the behavioural repertoire of Phytoecia rufiventris.

Keywords

compound eye, retina, vision, polarization sensitivity

Cite This Article

MEYER-ROCHOW, V. B., MISHRA, M. (2009). A six-rhabdomere, open rhabdom arrangement in the eye of the chrysanthemum beetle Phytoecia rufiventris: some ecophysiological predictions based on eye anatomy. BIOCELL, 33(2), 115–120.

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This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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