Cereal Crop Mites Damage to maize,sorghum and millet 4.Life Cycle 10-20 generations per year; Female adults overwinter in silk webs in all refuges outdoor. Overwintered adults begin to be active on alternative hosts in spring,e.g.weeds rather than crops and then move into cotton or corn fields from end of May to early June.They cause the most severe damage during mid-Jul. to late Aug.Number reduces after Sep.4. Life Cycle 4. Life Cycle ‰ 10 -20 generations per year; 20 generations per year; ‰ Female adults Female adults overwinter overwinter in silk webs in all in silk webs in all refuges outdoor. refuges outdoor. ‰ Overwintered Overwintered adults begin to be active on adults begin to be active on alternative hosts in spring, e.g. weeds rather alternative hosts in spring, e.g. weeds rather than crops and then move into cotton or corn than crops and then move into cotton or corn fields from end of May to early June. They fields from end of May to early June. They cause the most severe damage during mid cause the most severe damage during mid -Jul. to late Aug. Number reduces after Sep. to late Aug. Number reduces after Sep. Cereal Crop Mites Cereal Crop Mites Damage to maize, sorghum and millet Damage to maize, sorghum and millet