Below are several links to Pear Ester Articles by Alan Knight:

Pear Ester Biofix Model (Excel Spreadsheet)

Discovery of the activity of pear ester for codling moth adults

Discovery that codling moth larvae are attracted to pear ester

Host plant volatile chemistry related to the discovery of pear ester's activity for codling moth\

Pear ester is a specific attractant for codling moth and not for other moth pests in horticultural crops

Pear ester stimulates egg deposition by female codling moth

Optimizing the lure strength of pear ester for monitoring codling moth males and females

 

Improved pear ester lures for monitoring codling moth in pear

 

Monitoring codling moth with pear ester in pears

Monitoring the seasonal flights of codling moths with pear ester in apple

Monitoring codling moth with combo lures loaded with pear ester and sex pheromone

Factors associated with trapping effectiveness for codling moth with a pear ester lure

Establishing a Biofix for codling moth with pear ester

Establishing action thresholds with pear ester-baited traps for management of codling moth

Using pear ester to monitor codling moth in sex pheromone treated orchards