Table 2 . Field attraction of H . nubiferanamales to components identified from the female pheromone gland, in
untreated apple orchards (N=10) and orchards permeated with codlemone,E 8,E 10-12OH (N=6), June to July 1997. Means followed by
the same letter are not significantly different (Tukey test,
F(7,72)=61.95, P <0.0001).