Rhode Island Apple IPM
2000 - Current Pest Report - European Apple Sawfly

Tree stage:
3/27/2000 - green tip
4/7/2000 - half inch green
4/14/2000 - tight cluster
5/1/2000 - pink
5/4/2000 - early bloom
5/8/2000 - early petal fall
5/10/2000 - petal fall


European apple sawfly trap captures

5/4/2000 - Caught first European apple sawfly in white sticky trap
5/11/2000 - See European apple sawfly egg laying scar on fruit

Average number of adult European apple sawfly adults caught on white sticky traps in each monitored block. Averages are cummulative.
**Threshold = 9/trap if no prebloom insecticide; 5/ trap if applied prebloom insecticide**

orchard 5/8/2000 5/15/2000 5/2000 5/2000
Steere   21/ 4 traps  
D. Smith      
Piti      
Jaswell    
Christiansens      
Phantom 176/ 4 traps*    
Hill 12/4 traps  
Dermksian      
Lamore    
East Farm    

* Above threshold