27.0 MB (1.6 MB compressed)
4488 x 4194 pixels
38.1 x 35.6 cm ⏐ 15.0 x 14.0 in (300dpi)
DAVID SCHARF / SCIENCE PHOTO LIBRARY DAVID SCHARF / SCIENCE PHOTO LIBRARY
Yellow fever mosquito. Coloured Scanning Electron Micrograph (SEM) of the head of a female yellow fever mosquito Aedes aegypti. The head is at centre left, with compound eyes (red). There are two hairy antennae, and a long proboscis (centre right) used for penetrating human skin and sucking blood. Only the female Aedes aegypti mosquito is a carrier of the arbovirus which causes yellow fever in humans. Affected patients develop a fever, and the skin becomes yellow due to jaundice. Yellow fever was once a fatal infection throughout the tropics, but now occurs only in parts of tropical Africa and South America. Magnification: x30 at 6x6cm size.
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