18.0 MB (974.0 KB compressed)
2800 x 2250 pixels
23.6 x 19.1 cm ⏐ 9.3 x 7.5 in (300dpi)
VOLKER STEGER / SCIENCE PHOTO LIBRARY VOLKER STEGER / SCIENCE PHOTO LIBRARY
German cockroach. Coloured scanning electron micrograph (SEM) of a German cockroach (Blattella germanica). These insects have changed little in millions of years, and are considered living foss- ils. This cockroach's long antennae can be seen protruding from its head (upper right). Its wings (blue) can be seen at lower left. Despite their name, they are not native to Germany, but instead originated in warmer areas. They spread with humans, however, and now live throughout the world. They are unpopular as they feed on human scraps in many areas, forming huge populations. They give areas a foul smell, and carry bacteria and viruses. Magnification: x15 at 6x7cm size.
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