Boll Weevils: 1 Response to Light Sources and Colors on Traps 2 , 3

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Abstract
The response of Anthonomus grandis Boheman to colored lights in the laboratory confirmed that the 500–525-nm region of the spectrum has the greatest attraction. Poor response to red was noted in the laboratory and in the field. In the field, the response of both early- and late-season boll weevils to the traps increased as the intensity of reflected light was increased and also when the pigment more closely approached the 500–525-nm region of the spectrum. The greatest response was obtained with highly reflective daylight fluorescent pigments that had this spectral characteristic.

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