[Trial results with dilor in controlling the taiga tick].

Laboratory and field trials of dilor (beta-dihydroheptachlorine) have demonstrated its high acaricidal characteristics, but this pesticide is not recommended as a means for extermination of Ixodes persulcatus, tick-borne encephalitis virus vectors. The tested compound is characterized by a high persistence, superior even to that of DDT. Dilor metabolites retain their toxicity in the forest up to 4-5 years.