DENNIS KUNKEL MICROSCOPY / SCIENCE PHOTO LIBRARY DENNIS KUNKEL MICROSCOPY / SCIENCE PHOTO LIBRARY
Coloured scanning electron micrograph (SEM) of Brown dog tick (Rhipicephalus sanguineus). The brown dog tick is small, red-brown arachnid (called the red dog tick outside the U.S.) with specialized mouthparts for sucking blood. It is found on dogs, in kennels and houses, and occasionally on other animal wildlife. In the U.S, the brown dog tick is a vector of disease in dogs. Unlike most other ticks, it can complete its entire life cycle indoors, allowing it to establish populations in cold climates. Because of this, it is found in much of the world. Magnification: x5 when shortest axis printed at 25 millimetres.
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