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Acarina    
螨目; 螨蜱目

□目; □蜱目

Acarina
n 1: mites and ticks [synonym: {Acarina}, {order Acarina}]


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  • Acarid | Characteristics Control | Britannica
    Acarid, (subclass Acari or Acarida or Acarina), any member of the subgroup of the arthropod class Arachnida that includes the mites and ticks Some mites are as small as 0 1 mm (0 0039 inch) in length, while the largest ticks are slightly more than 30 mm (1 18 inches) long
  • Acarid - Taxonomic classification | Britannica
    Subclass Acari (Acarina, Acarida; mites and ticks) Arachnids usually without visible segmentation; mostly minute in size; larvae usually with 3 pairs of legs, adults usually with 4 pairs; diverse habitats include plants, soil, animals, stored foods, fresh and marine water; parasitic forms may transmit diseases; worldwide distribution; about
  • Acarid - Structural anatomy | Britannica
    Acarid - Structural anatomy: The subclass Acari is generally distinguished by the lack of body segmentation, although it is secondarily developed in a few families An anterior region called the gnathosoma contains the mouth, specialized feeding appendages, and segmented structures called palps, or pedipalps
  • Mite | Small Arachnid, Habitat Types | Britannica
    Mite, any of numerous species of tiny arthropods, members of the mite and tick subclass Acari (class Arachnida), that live in a wide range of habitats, including brackish water, fresh water, hot springs, soil, plants, and (as parasites) animals, including humans Parasitic forms may live in the
  • Ocarina | Wind Instrument, Ceramic, Flute | Britannica
    Ocarina, globular flute, a late 19th-century musical development of traditional Italian carnival whistles of earthenware, often bird-shaped and sounding only one or two notes It is an egg-shaped vessel of clay or metal or, as a toy, of plastic and is sounded on the flageolet, or fipple flute,
  • Acarid - Ecology and habitat | Britannica - Encyclopedia Britannica
    Acarid - Ecology and habitat: The free-living acarids include species from all of the orders and suborders except Ixodida (ticks) Many free-living mites utilize insects or other arthropods to disperse themselves, a nonparasitic association known as phoresy
  • Characteristics of acarids | Britannica
    acarid, Any member of the subclass Acari, which includes the mites and ticks of the class Arachnida Acarids are found in diverse habitats, including hot springs, caves, deserts, and tundras They range in shape from minute, soft-bodied, elongated or circular individuals to large, hard-bodied, spiderlike ones
  • Acarine disease | Britannica
    Other articles where Acarine disease is discussed: beekeeping: Diseases: Acarine disease is caused by the mite Acarapis woodi that gets into the tracheae of the bee through its breathing holes or spiracles in its thorax or midsection Bees affected by this mite are unable to fly, have disjointed wings and distended abdomens There is…
  • Tick | Taxonomy, Description, Species, Facts | Britannica
    Tick, any of about 825 species of invertebrates in the order Parasitiformes (subclass Acari) Ticks are important parasites of large wild and domestic animals and are also significant as carriers of serious diseases Almost all are categorized as either hard ticks or soft ticks
  • Arachnid - Evolution, Paleontology, Classification | Britannica
    Subclass Acari, Acarina, or Acarida (mites and ticks) Approximately 50,000 species found nearly worldwide Size from 0 008 to 3 cm in some fully engorged ticks; body segments fused; mouthparts adapted to piercing, sucking, biting, grating, or sawing; many parasitic and economically important





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