Zum Bewegungssehen des Mehlkäfers Tenebrio molitor

Götz, KG; Gambke, C

doi:10.1007/BF00272520

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Zum Bewegungssehen des Mehlkäfers Tenebrio molitor

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Götz, KG
Forschungsgruppe Kybernetik, Max-Planck-Institut für Biologie, Max Planck Society;

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Gambke, C
Forschungsgruppe Kybernetik, Max-Planck-Institut für Biologie, Max Planck Society;

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http://link.springer.com/content/pdf/10.1007%2FBF00272520
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Citation

Götz, K., & Gambke, C. (1968). Zum Bewegungssehen des Mehlkäfers Tenebrio molitor. Kybernetik, 4(5), 225-228. doi:10.1007/BF00272520.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-F23C-E

Abstract

The locomotory turns of the beetle Tenebrio molitor were recorded from free walking animals which were held in stationary position and orientation by means of a tread compensator. Striped patterns revolved around an animal elicit optomotor responses which undergo an inversion at smaller stripe widths. The position of the inversion point characterizes the resolving power of the motion detectors, and corresponds to a 6.5° average angle between the optical axes of interacting elements in the motion detecting device. This indirectly determined value is consistent with the anatomically measured 7° average angle between the axes of neighbouring ommatidia in the Tenebrio compound eye.