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East Lansing (MSUHort) Alfalfa Weevil Development Assist Chart (Report issued 4/23/2014 20:50)

Start scouting for adults when temperatures are greater than 48°F

Life Stage Predicted Date Observed Date
Light feeding starts Not expected before 4/30/2014  
Major feeding starts Not expected before 4/30/2014  
Pupation starts (major feeding continues) Not expected before 4/30/2014  
End of pupation and feeding Not expected before 4/30/2014 ------