DAVID SCHARF / SCIENCE PHOTO LIBRARY DAVID SCHARF / SCIENCE PHOTO LIBRARY
Mouth hairs of a mosquito larva. Coloured Scanning Electron Micrograph (SEM) of hairs surrounding the mouth of a mosquito larva. Flattened curved hairs are seen, each with a small comb-like row of spines. The hairs beat through the water filtering out algal spores, scattered pollen, bacteria and other microorganisms on which the larva feeds. The mosquito larva hatches from a floating egg and floats horizontally just below the surface of the water. Apart from this well-adapted feeding mechanism, the larva posseses a respiratory siphon through which it breathes. Magnification: x410 at 6x7cm size.
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