| IPM scouting in Michigan apples > speckled green fruitworm |
| Speckled green fruitworms have one generation per year. Pupae overwinter in the soil and adults emerge starting in very early spring. Egg hatch occurs at the half-inch-green stage. |
| Larvae feed on leaves, buds and developing fruit. Most damaged fruit will drop prematurely. Larval feeding results in deep, corky scars. Injury may be con-fused with that caused by early RBLR feeding, but is usually deeper. |
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| Adults of most species are large brownish
moths with wingspans of about 40 mm. |
Larvae are light green with a pair of lateral
white
stripes and additional white spots (35-40 mm long). |
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- 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.
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| 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). |
