Hoverfly eye, SEM

Bildnummer 12581546
Hoverfly eye, SEM
Coloured scanning electron micrograph (SEM) of part of the compound eye of a hoverfly, also called flower fly or syrphid fly (family Syrphidae). Hoverflies are abundant on flowers and common throughout the world. They feed on nectar and pollen and a few grains are visible on the surface of the eye. The compound eye is composed of numerous facets (ommatidia), each of which contains a lens. Each ommatidium visualizes a tiny part of the hoverfly's field of vision, resulting in a detailed mosaic image of the fly's surroundings. The compound eye enables the hoverfly to orientate and detect rapid movement, although it is not capable of forming a clearly focused image. The eye also contains small touch-sensitive hairs between some of the facets. Magnification: x230 when printed at 10cm wide.
Lizenzart: Lizenzpflichtig
Credit: Science Photo Library / Jannicke Wiik-Nielsen
Bildgröße: 4069 px × 3052 px
Modell-Rechte: nicht erforderlich
Eigentums-Rechte: nicht erforderlich
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