Table 1. Numbers of plum curculios captured daily by traps in unmanaged apple trees. May 24 - June 15, 1997.

Traps

Number of replicates
Mean number of curculios captured per trap *

Clear Plexiglas, low position

12
10.0 a

Clear Plexiglas, high position

12
7.6 a

Black pyramid traps

12
9.1 a

* Numbers followed by a different letter are significantly different at odds of 19:1.