Chinese Name: Changsha earth rat Generic meriones unguiculatus (milne-edwards) Generic: the case of rodents, hamsters Division Alias: yellow mouse, rat white bars, sand rat, yellow tail mice. Distribution: Distribution of northeast, northwest, north China and other provinces. Host: flax, Mi millet, millet, cocklebur, Atriplex, Salsola, Artemisia, and sometimes damage vegetables. Damage characteristics: the green part of the staple food plants, their seeds fall of stored grain food in winter, with the phenomenon of self-mutilation.
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Morphology
Length 100-150mm, tail length is less than the length of the first footer, short, end with a hair bundle. Ears small and round, almost hair mask. Claws dark brown, curved and sharp. Back hair yellow brown, dark gray wool base and sides of body hair lighter, as light brown yellow, abdomen and chest is white (pure white gerbils), wool-based gray, orange light tipping. Yellow tail hair, dark hair bundles. After the skull before the narrow width, narrow nose, listening to spore developed, perforated rear door almost molars out front, adult upper and lower cheek teeth with a tooth root, chewing surfaces due to wear and the formation of a triangle.
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Habits
Changsha, the main habitat of soil in the desert grassland mouse, also found in grasslands and agricultural areas, hi inhabit the sandy wasteland, farmland, roadsides, to ridge and other sparse vegetation, the plant is lowest. Holes in complex, multi-family units to live in a hole in the system, each hole by the hole, the hole channel, storage and nest chambers, holes can be divided into winter and summer holes and temporary hole. Winter cave complex, with a hole 4-5, sometimes 20 or more, a long tunnel, up to 10m, from the ground about 80-120cm, hole diameter 3.5-8cm, location of the nest chamber deeper, storage 1-6 a; summer, only the nest hole, 50cm at the ground floor; temporary hole is simple, with only 2-3 hole, short and straight tunnel, soil mice Changsha temporary hiding place. The rats mainly in the daytime, do not hibernate, one day event with two peaks, winter midday activity, activity from a few hundred meters away to 1 km. Reproduce prolifically, almost throughout the year when conditions are suitable for breeding. April is the breeding and 7,8 were the peak of annual births 2-3, Aberdeen 5-7 per litter. Changsha, the highest number of earth rat fall.
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Control methods
Changsha agricultural soil damage not only to big rat, but also the main reservoir host of plague bacteria and communicators, so be careful Control in. (1) of this rat hole and more focused on the wasteland, farmland, roadsides, to ridge, etc., on the intensive implementation of these special habitats, reduce the folder wasteland, rationally adjust the layout of crops, the destruction of their habitat. The harvest faster and properly store food, cut off their food source. (2) After harvest, mining mouse positions. (3) other control methods see Apodemus. Main weed of farmland and their control.