(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**

* Above threshold