The scientific name Tetranychus turkestani Ugarov et Niko1ski is a species of arachnid, Arachnida, Aceraceae. Distributed in Xinjiang, the Middle East, the Soviet Union, the United States.
Host cotton, sorghum, strawberries, beans, corn, potatoes, leeks, eggplant, leeks, spinach, radish, cabbage, cucumbers, apples, grapes, pears, hops and so on.
The characteristics of damage, if Ruan in the back of the leaf sucking juice, the beginning of a small gray point, the posterior leaf surface gray or orange to red speckles, affecting photosynthesis.
The morphological characteristics of the female body is 0.54mm long, 0.26mm wide, oval or oval body, yellow-green. The sensilla is cylindrical and the end sensilla is longer than the sensilla. The end of the valve groove is "U" shaped. The posterior half of the epidermis is diamond-shaped. There are 3 pairs of needle hairs between the feet. The male is small and has a body length of 0.33mm. The shank of the penis forms a large end hammer on the back. Its proximal protrusion is blunt and the distal protrusion is sharp. The back edge of the hammer has a distinct angle at one-third of the back end. Ovoid globose, yellowish green.
Living habits 12-15 years old in the North, and Chengyu grows in the middle and late l0th in the dry leaves, weeds, rhizosphere and clods of the weeds, bark gaps overwintering winter; mainly male and female sexual reproduction, but also camp Parthenogenetic reproduction occurs when the eggs are produced on the weeds on the field side. The initial occurrence of spotting occurs and spreads to the surrounding areas.
Control methods see truncated leaves full.
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