Cereal crop mites
Cereal crop mites
Cereal crop mites
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• Overwintered female <strong>mites</strong> begin to come<br />
out as fruit trees bud (average 9-119<br />
11℃).<br />
Egg laying peak is consistent with apple<br />
and pear flower stage.<br />
• Most eggs laid on two sides of main vein<br />
on backside of leaves.<br />
• Generations overlap each other from 2 nd<br />
generation on. Cause most severe damage<br />
from Jul. to Aug.<br />
• Spin silk to form webs.