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单词 chigger
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chigger


chig·ger

C0290500 (chĭg′ər)n.1. Any of various small, six-legged larvae of mites of the family Trombiculidae that parasitize humans and other vertebrates. The chigger's bite produces a wheal that is usually accompanied by severe itching. Also called chigoe, harvest bug, harvest mite, jigger2, red bug.2. See chigoe.
[Alteration of chigoe.]

chigger

(ˈtʃɪɡə) n1. (Animals) Also called: chigoe or redbug US and Canadian the parasitic larva of any of various free-living mites of the family Trombidiidae, which causes intense itching of human skin2. (Animals) another name for the chigoe1

chig•ger

(ˈtʃɪg ər)

n. 1. Also called harvest mite. the six-legged, bloodsucking larva of a mite of the family Trombiculidae, parasitic on vertebrates. 2. chigoe. [1735–45, Amer.; variant of chigoe]
Thesaurus
Noun1.chigger - small tropical fleachigger - small tropical flea; the fertile female burrows under the skin of the host including humanschigoe, chigoe flea, Tunga penetransflea - any wingless bloodsucking parasitic insect noted for ability to leapgenus Tunga, Tunga - a genus of Siphonaptera
2.chigger - larval mite that sucks the blood of vertebrates including human beings causing intense irritationharvest mite, redbug, jiggertrombiculid - mite that as nymph and adult feeds on early stages of small arthropods but whose larvae are parasitic on terrestrial vertebratesgenus Trombicula, Trombicula - type genus of the family Trombiculidae
Translations

chigger


chigger,

minute, six-legged, reddish larva of the harvest mitemite,
small, often microscopic arachnid that belongs to several orders in the subclass Acari (or Acarina), to which the tick also belongs; mites and ticks are related to the spiders.
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, one of various red bugsred bug,
name for various red insects or arachnids. Chief among them are the cotton stainer of the S United States, which pierces the seeds of the cotton plant and discolors the fibers, and the larva of the harvest mite, or chigger, the cause of red-bug dermatitis.
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 widely distributed throughout the world and common in the S United States. Attaching itself by its mouthparts to the skin of its vertebrate host, the chigger injects saliva that destroys cells and may cause an intense irritation known as red-bug dermatitis. The food of the chigger consists of the cellular contents and tissue fluid of the host. Certain Asian species carry minute organisms (rickettsias) that cause scrub typhus, a disease of humans. Chiggers are classified in the phylum ArthropodaArthropoda
[Gr.,=jointed feet], largest and most diverse animal phylum. The arthropods include crustaceans, insects, centipedes, millipedes, spiders, scorpions, and the extinct trilobites.
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, class Arachnida, subclass Acari, order Trombidiformes, family Trombiculidae.

chigger

[′chig·ər] (invertebrate zoology) The common name for bloodsucking larval mites of the Trombiculidae which parasitize vertebrates.

chigger


chigger

 [chig´er] the six-legged red larva of any of the mites of the family trombiculidae (see trombicula and eutrombicula); they attach to their host's skin and their bite produces a wheal, usually with severe itching and dermatitis. Some species are vectors of the rickettsiae of scrub typhus" >typhus. Called also harvest mite.

chig·ger

(chig'er), The six-legged larva of Trombicula species and other members of the family Trombiculidae; a bloodsucking stage of mites that includes the vectors of scrub typhus.

chigger

(chĭg′ər)n.1. Any of various small, six-legged larvae of mites of the family Trombiculidae that parasitize humans and other vertebrates. The chigger's bite produces a wheal that is usually accompanied by severe itching. Also called chigoe, harvest bug, harvest mite, jigger2, red bug.2. See chigoe.

chigger

Dermatology
A popular term for the dermatitis caused by mite larvae (chiggers).
 
Clinical findings
Intense pruritis, red rash on the waist, ankle and skin folds.
 
Management
Usually resolve spontaneously; ± antihistamines for itching.
 
Entomology
Harvest mite, red bug.

chigger

A popular term for the dermatitis caused by mite larvae–chiggers Clinical Intense pruritis, red rash on the waist, ankle and skin folds Management Usually resolve spontaneously; ± antihistamines for itching. See Chigger.

chig·ger

(chig'ĕr) The six-legged larva of Trombicula species; a bloodsucking stage of mites that includes the vectors of scrub typhus.

chigger

The harvest mite, commonly encountered in the fields in autumn. The bites cause irritation, a form of SCABIES, and sometimes severe dermatitis. In the Far East chiggers transmit scrub typhus. They can be avoided by the use of insect repellents. Not to be confused with CHIGOE.

chigger


  • noun

Synonyms for chigger

noun small tropical flea

Synonyms

  • chigoe
  • chigoe flea
  • Tunga penetrans

Related Words

  • flea
  • genus Tunga
  • Tunga

noun larval mite that sucks the blood of vertebrates including human beings causing intense irritation

Synonyms

  • harvest mite
  • redbug
  • jigger

Related Words

  • trombiculid
  • genus Trombicula
  • Trombicula
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