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Concept
Acaricide
Summary
Acaricides are pesticides that kill members of the arachnid subclass Acari, which includes ticks and mites.
Acaricides are used both in medicine and agriculture, although the desired selective toxicity differs between the two fields.
More specific words are sometimes used, depending upon the targeted group:
"Ixodicides" are substances that kill ticks.
"Miticides" are substances that kill mites.
The term scabicide is more narrow, and refers to agents specifically targeting Sarcoptes.
The term "arachnicide" is more general, and refers to agents that target arachnids. This term is used much more rarely, but occasionally appears in informal writing.
As a practical matter, mites are a paraphyletic grouping, and mites and ticks are usually treated as a single group.
Examples include:
Permethrin can be applied as a spray. The effects are not limited to mites: lice, cockroaches, fleas, mosquitos, and other insects will be affected.
Ivermectin can be prescribed by a medical doctor to rid humans of mite and lice infestations, and agricultural formulations are available for infested birds and rodents.
Antibiotic miticides
Carbamate miticides
Dienochlor miticides
Formamidine miticides
Oxalic acid is used by some beekeepers against the parasitic varroa mite.
Organophosphate miticides
Diatomaceous earth will also kill mites by disrupting their cuticles, which dries out the mites.
Dicofol, a compound structurally related to the insecticide DDT, is a miticide that is effective against the red spider mite Tetranychus urticae.
Lime sulfur is effective against sarcoptic mange. It is made by mixing hydrated lime, sulfur, and water, and boiling for about 1 hour. Hydrated lime can bond with about 1.7 times its weight of sulfur (quicklime can bond with as much as 2.2 times its weight of sulfur). The strongest concentrate is diluted 1:32 before saturating the skin (avoiding the eyes), applied at six-day intervals.
Official source
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