In habits and life history the typical Ixodid differ greatly from the argasid.
Of the argasid, we have in the United States, several species which have been reported as attacking man.
Like others of the argasid, it resembles the bed-bug in its habit of feeding primarily at night.
As mere parasites of man, apart from their power to transmit disease, the Ixodid are much less important than the argasid.
In habits and life history the argasid present striking characteristics.
argasid ar·gas·id (är-gās'ĭd)
A member of Argasidae.