Abstract

Phototactic responses of Liriomyza trifolii adults to six different light-emitting diodes (LEDs) were investigated, and their responses were compared to that using a luring lamp (BLB) under laboratory conditions. Based on the attraction rate under optimal light conditions, the green LED (520 ± 5 nm) showed the highest attraction rate (99.7 %), followed by the yellow LED (590 ± 5 nm, 96.1 %), the red LED (625 ± 10 nm, 91.4 %), the blue LED (470 ± 10 nm, 91.2 %), the UV LED (365 nm, 71.0 %), and the IR LED (730 nm, 5.6 %). Moreover, the green LED was approximately 1.4 times more attractive than BLB (71.1 %) to L. trifolii adults. These results suggest that the green LED was the most useful for monitoring of L. trifolii adults under optimal conditions.

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