| IPM scouting in Michigan apples > variegated leafroller |
| Newly hatched larvae are yellow with a black head capsule (1.2 mm); mature larvae are green with a brown head capsule (20 mm). Mature larvae can be present from early May until August. Fruit damaged by variegated leafroller shows a shotgun pattern of isolated feeding sites. VLR is generally controlled with sprays applied for other pests. Newly hatched larvae are yellow with a black head capsule (1.2 mm); mature larvae are green with a brown head capsule (20 mm). |
 |
 |
 |
| Newly hatched larvae |
The male’s forewings are dark brown with a golden or cream colored band at the wing base and tip. Females are brown with 2 dark red horizontal bands. |
Damaged fruit |
|
- For more monitoring information and evaluation of available pesticides:
Michigan Fruit Management Guide
- A Practical Guide to Scouting Apple Orchards – a DVD showing how to scout apple orchards.
- MSU Diagnostic Services for assistance in pest identification.
- MSU Fruit Crop Advisory Team Alert newsletters for current pest/crop conditions.
|
| This information was developed from A Pocket Guide for IPM Scouting in Michigan Apples by David Epstein, Larry J. Gut and George W. Sundin. Purchase this in a pocket-sized guide for reference in the orchard from MSU Extension (publication E-2720). |
