False-colour scanning electron micrograph (SEM) of a dust mite, Dermatophagoides sp., in a sample of household dust taken from a vacuum cleaner. The dust mite thrives in damp houses, feeding on groceries, furniture stuffing, wallpaper paste and other such delicacies. It is seen here foraging among skin scales, cat fur, synthetic and woollen fibres and soil particles - typical contents of a vacuum cleaner. Magnification: x145 at 35mm size, x1000 at 8x10-inch size. Red & yeloow colorvir