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Rhode Island Apple
IPM
2001 - Current Pest Report - European Apple Sawfly
(set up traps at pink)
Tree stage:
4/2/01 - Silver tip
4/9/01 - bud break
4/18/01 - 1/4 inch green
4/20/01 - 1/2 inch green
4/23/01 - tight cluster
5/1/01 - pink
5/3/01 - bloom
Found 2 European apple sawfly on traps today. Now is the time to hang
the white sticky traps at head height.
European apple sawfly trap captures
**Threshold = 9/trap if no prebloom insecticide; 5/ trap if applied prebloom
insecticide**
| orchard |
5/1/01 |
5/9/01 |
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| Steere |
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| D. Smith |
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| Piti |
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| Jaswell |
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| Christiansens |
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| Phantom |
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| Hill |
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| Dermksian |
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| Lamore |
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5/ 4 traps |
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| East Farm |
2/ 4 traps |
16/ 2 traps |
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* Above threshold
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