Hoverfly eye, SEM

Numéro d’image : 12581543
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.
Licence : Droits gérés
Crédit: Science Photo Library / Jannicke Wiik-Nielsen
Taille de l’image : 4069 px × 3051 px
Model Release : Non requis
Property Release : Non requis
Restrictions : -

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