Light Traps and Codling Moth Control

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Abstract
A field expt. for studying light traps as a control measure for the codling moth, Carpocapsa pomonella and for determining the relative efficiency of available light sources was conducted on a large scale at Orleans, Indiana, during 1934-35 and continued on a small scale at Poughkeepsie, New York, during 1936. Mercury-vapor tubes and G-1 mercury-vapor lamps were about equally attractive to codling moth and superior to Mazda lamps of 200 watts or less. Moths were not attracted more than 35 feet. 35% of the moths captured were [female][female]. During 2 years the infestation was reduced 90% in the control area at Orleans. Releases of marked moths indicated that moths were leaving the light-trap area as well as entering it.

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