
1) Arachnids 2) Category of arachnids 3) Mites 4) Some mites
Found on
https://www.crosswordclues.com/clue/acari

Acari (or Acarina) are a taxon of arachnids that contains mites and ticks. The diversity of the Acari is extraordinary and its fossil history goes back to at least the early Devonian period. As a result, acarologists (the people who study mites and ticks) have proposed a complex set of taxonomic ranks to classify mites. In most modern treatments, ...
Found on
http://en.wikipedia.org/wiki/Acari

• (pl. ) of Acarus
Found on
http://thinkexist.com/dictionary/meaning/acari/

A large, cosmopolitan order of arachnids comprising the mites and ticks, including parasites of plants, animals, and man, as well as several important disease vectors. ... (12 Dec 1998) ...
Found on
http://www.encyclo.co.uk/local/20973

Acari Mites and ticks; a diverse order of small free-living and parasitic arthropods (Arachnida) comprising about 30,000 recognized species although this may represent only a small proportion of the world fauna; a body mostly small, compact; head and abdomen fused; mouthparts include chelicerae and subcapitulum; immense variety of form and habit in...
Found on
http://www.wordinfo.info/words/index/info/view_unit/9/

Acarina, Acari The order of mites and ticks, in the class Arachnida; easily distinguished by a false head (gnathasoma) that has mouth parts, and by a lack of distinct separation between the cephalothorax and the abdomen. The Acarina is the most important order of the Arachnids, because in this group are found a number of pests of both plants and a...
Found on
http://www.wordinfo.info/words/index/info/view_unit/9/

a sub-class of Arachnids that are more commonly known as mites and ticks.
Found on
https://www.amentsoc.org/insects/glossary/begins/with/a/
No exact match found.