2002 – Current Pest Report – European Apple Sawfly

(set up traps at pink)

Tree stage: 
3/31/02 – green tip
4/13/02 – half inch green
4/15/02 – tight cluster
4/18/02 – pink
4/20/02 – bloom
5/6/02 – petal fall

5/20/02 – First see trail on fruit caused by European apple sawfly larva


European apple sawfly trap captures
(trap captures are not cumulative)

**Threshold = 9/trap if no prebloom insecticide; 5/ trap if applied prebloom insecticide**

 

orchard 4/26/02 5/6/02 5/10/02 5/15/02
East Farm 3/ trap 3/ trap 7/ trap*
Elwood O. 3/ trap
Steere 0/ trap 19/ trap*
Sweet B. Farm 0/ trap

* Above threshold