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

Current status of McIntosh and apple pests at Mecosta, 2024 (Report issued 4/25/2024 10:51)

Biofix dates



Apple crop stages (McIntosh)

Last stageOpen Cluster on 4/19
Next stagePink expected on 4/29
Harvest estimatesAvailable 41 days after full bloom

Insect pest predictions

InsectLast StageNext StageSelected
Biofix
DD since biofixDD Base
Apple maggotNo development observed
Emergence of adult fly
expected in 851DD
--Current (4/25): 104.3
Forecast (5/1): 167.5
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 mothBiofix (first adult emergence)
4/22
First eggs laid
expected on 4/29
4/22Current (4/25): 17.4
Forecast (5/1): 107.5
45