It is known to act as a disease vector.
Females reach a length of three to four mm, but can grow up to ten mm when engorged; males are about three mm long. An unfed nymph is under two mm long. There are more males than females.
All three stages target different hosts, the eggs are laid on the ground. They mate on their host around April.
H. concinna can act as a vector for Francisella tularensis (tularaemia), Rickettsia sibirica (Siberian tick typhus), Rickettsia heilongjiangensis (Far-Eastern spotted fever), Virus of Russian spring-summer encephalitis (RSSE) and tick borne encephalitis (TBE).
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