Acarids definitions

Acarids

1) Blacklegged ticks 2) Mites and ticks 3) They might be mites 4) Tick and mite
Found on https://www.crosswordclues.com/clue/acarids

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Acarids

Small spiders (arachnids) of which certain species can be found in household dust and particularly in bed linen.
Found on http://www.encyclo.co.uk/local/20667

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