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The group which includes eriophyoid mites is of enormous importance among phytophagous mites not only because of the fact they attack agri-horticultural crops and suck the sap causing direct damage like devitalization of plants, reducing growth and yield, formation of galls, erinea, malformation, deformation, witche's broom effects, etc. on one hand and on the other hand act as vectors of various plant viral diseases. Contrary to their harmful roles, they have some beneficial role also and that they do by acting as biocontrol agents against weeds. Though from India over 535 species under 129...