- A genus of ticks that includes some species that usually infest birds but that may infect humans.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Examples from the Web for argas
The Argas reflexus lives on pigeons, and is allied to the Ixodes.Animal Parasites and Messmates
P. J. Van Beneden
Gerstaecker states that the Argas Persicus is very annoying to travellers in Persia.Our Common Insects
Alpheus Spring Packard
When the spirochtes are ingested by Argas persicus, some of them pass through the gut wall into the cœlomic fluid.
About six other species of Argas from various parts of the world, parasitic on birds and mammals.