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Home > All Images > 2001 > November > 26 Nov 2001

Images Dated 26th November 2001

Choose from 16 pictures in our Images Dated 26th November 2001 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.

Hover fly head, SEM Featured 26 Nov 2001 Image

Hover fly head, SEM

Hover fly head. Coloured scanning electron micrograph (SEM) of the head of a hover fly (family Syrphidae). The compound eyes (pink) are composed of numerous facets (ommatidia), each containing a lens. These produce part of an image in the fly's field of vision, resulting in a detailed mosaic image. The two protrusions between the eyes (centre) are the antennae, which sense both smell and touch. The hover fly feeds on pollen and nectar which it sucks through modified mouthparts (lower centre). Magnification: x20 at 6x7cm size