Haemaphysalis

[hē′mə-fīsə-lĭs, hĕm′ə-]
n.
  1. A genus of small eyeless widely distributed ticks that are important vectors of certain disease-causing bacteria, protozoa, and viruses.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.