2.Generations and Life Cycle Most agricultural pest mites have 3-10 or more than 20 generations/year;20-40 days/generation; Generally,overwinter as female adults under withered sticks and leaves or in weeds,winter crops and soil;a few overwinter as male adults or young mites „ Most agricultural pest mites have 3 Most agricultural pest mites have 3-10 or more than 20 generations/year; 20 more than 20 generations/year; 20-40 days/generation; days/generation; „ Generally, Generally, overwinter overwinter as female adults as female adults under withered sticks and leaves or in under withered sticks and leaves or in weeds, winter crops and soil; a few weeds, winter crops and soil; a few overwinter overwinter as male adults or young mites as male adults or young mites 2. Generations and Life Cycle 2. Generations and Life Cycle