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单词 microtus
释义

Microtus


Thesaurus
Noun1.Microtus - voles of the northern hemisphereMicrotus - voles of the northern hemisphere genus Microtusmammal genus - a genus of mammalsCricetidae, family Cricetidae - mostly small New World rodents including New World mice and lemmings and voles and hamstersmeadow mouse, meadow vole, Microtus pennsylvaticus - widely distributed in grasslands of northern United States and CanadaMicrotus richardsoni, Richardson vole, water vole - of western North AmericaMicrotus ochrogaster, prairie vole - typical vole of the extended prairie region of central United States and southern Canada

Microtus


Microtus

 

(meadow mice), a genus of rodents of the subfamily Microtinae. The body length reaches 20 cm; the slightly or moderately bushy tail is no greater than one-half as long as the body. The molars have no roots and are ever-growing. The coloration of the upper parts is usually grayish brown; the lower parts are lighter, sometimes white.

Meadow mice are distributed in Eurasia and North America from the tundra to the subtropics; in the mountains they are present even in the alpine zone. There are approximately 60 species, assigned to four subgenera (according to other data, five to ten subgenera). In the USSR there are 12 species of the subgenus Microtus. The most common species are M. arvalis and M. oeconomus. Meadow mice feed mainly on green parts of plants and on roots; some store a substantial quantity of roots. In winter the mice usually congregate in haystacks and similar places. Many species are characterized by mass reproduction. Most meadow mice are dangerous pests of pasture plants and grain and fruit crops; they also are carriers of the causative agents of a number of diseases (tularemia, leptospiroses).

microtus


microtus

(mī-krō′tŭs) [″ + ous, ear] A person with abnormally small ears.

Microtus


Related to Microtus: Geomys, Clethrionomys, Reithrodontomys, Peromyscus, Microtus pennsylvanicus
  • noun

Synonyms for Microtus

noun voles of the northern hemisphere

Synonyms

  • genus Microtus

Related Words

  • mammal genus
  • Cricetidae
  • family Cricetidae
  • meadow mouse
  • meadow vole
  • Microtus pennsylvaticus
  • Microtus richardsoni
  • Richardson vole
  • water vole
  • Microtus ochrogaster
  • prairie vole
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更新时间:2025/2/22 14:28:47