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  • Michigan State University Extension
  • Michigan State University Ag Bio Research
  • Project GREEEN

Current status of McIntosh and apple pests at Benton Harbor (SWMREC), 2024 (Report issued 4/19/2024 12:28)

Biofix dates



Temperature and degree day data estimated for: 4/16

Apple crop stages (McIntosh)

Last stageFull Bloom on 4/18
Next stagePetal Fall expected in 45 DD
Harvest estimatesMcIntosh: 8/30; Jonathan: 9/17; Red Delicious: 9/24
More details

Insect pest predictions

InsectLast StageNext StageSelected
Biofix
DD since biofixDD Base
Apple maggotNo development observed
Emergence of adult fly
expected in 795DD
--Current (4/19): 160.3
Forecast (4/25): 172.3
50
Codling mothNo development observed
Watch for biofix (first sustained catch)
----50
Obliquebanded leafrollerNo development observed
Watch for biofix (first sustained catch)
----42
Oriental fruit mothFirst eggs laid
4/17
Start of peak adult emergence
expected in 67DD
4/13Current (4/19): 91.9
Forecast (4/25): 118
45