STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY
Squirrel flea (Orchopeas howardi howardi), coloured scanning electron micrograph (SEM). The two structures protruding from the centre of the flea's head (top left) are sensory palps. Fleas are external parasites that may carry and transmit diseases.
Model release not required. Property release not required.