DENNIS KUNKEL MICROSCOPY / SCIENCE PHOTO LIBRARY DENNIS KUNKEL MICROSCOPY / SCIENCE PHOTO LIBRARY
Coloured scanning electron micrograph (SEM) of American dog tick (Dermacentor variabilis). This tick is a vector for several human diseases, including Rocky Mountain spotted fever and tularemia. Magnification: x6.5 when shortest axis printed at 25 millimetres.
Model release not required. Property release not required.