Trapping effects of the environment-friendly insect pests trap on several main piercing-sucking pests in tea field
Using a kind of home-made environment-friendly simple insect pests trapping device,the trapping effects and environmen-tal security of the device with several color combinations on the main piercing-sucking insect pests were researched in the tea field of the southern region of Anhui province.The results indicated that,of five color combinations,the combinations of the golden yellow-ja-cinth and golden yellow-red showed better trapping effects on piercing-sucking pests,and the number of pests trapped per lamp was 105.6 and 102.4,respectively.The combinations of the golden yellow-jacinth,khaki-red and orange yellow-red showed weak trap-ping effects on the major beneficial insects,with the number of 16.2,19.4 and 17.4 per lamp,respectively,and the ratio of beneficial insects to insect pests above was 0.15,0.20 and 0.18,correspondingly.Furthermore,the combination of the golden yellow-jacinth showed a minimum insect diversity index(1.767),and it was better friendly to the ecological environment of the tea field.495 lamps/hm2 of golden yellow-jacinth and the golden yellow sticky card traps were continuously applied for 105 days,and the control effects on small green leafhoppers in the tea garden were 57.14%and 42.86%,respectively.
environment-friendly insect pests traptea treepiercing-sucking insect peststrapping effectsratio of beneficial in-sects to pests
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