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| Effects of Different Angle and Height of Blue Sticky Cards on the Trap Efficacy of Tuta absoluta（Meyrick） |
| LI Hao1 ☆，SHENG Chengfa2 ☆，LI Yanhui3，WU Jianhua1，HUANG Zhiqiang1，ZHAO Li1，WANG Huimin1，SHNEG Shimeng2，WANG Shaoli4* |
| 〔1Inner Mongolia Bayannur Development Center for modern agriculture and animal husbandry，Bayannur 015000，Inner Mongolia，China；2Institute of Zoology，Chinese Academy of Sciences，Beijing 100083，China；3Shenyang Rural Revitalization and Development Center（Shenyang Agricultural Technology Extension Training Center，Shenyang Agricultural Inspection and Monitoring Center，Shenyang Plant Protection Center），Liaoning Province，Shenyang 110036，Liaoning，China；4State Key Laboratory of Vegetable Biobreeding，Institute of Vegetables and Flowers，Chinese Academy of Agricultural Sciences，Beijing 100081，China〕 |
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Abstract Abstract：Tomato leaf miner〔Tuta absoluta（Meyrick）〕is an important invasive pest，which bringsserious threat to the tomato industry．To demonstrate the trap effects of different setting method of blue sticky cards on the captured number of T. absoluta，the experiments of trapping effects with different setting anglesand heights of blue sticky cards with sex pheromone lure were carried out．The results showed that both thedifferent angles and heights of the blue sticky cards had great effects on the numbers of trapped moths．Theaverage number of moths of blue sticky cards in flat was 1.438 times and 8.590 times，compared to that in45?-inclined to the ground and 90?-inclined（blue cards placed vertically on the ground），respectively；and thesignificant differences were both existed between the flatted and vertical，45?-inclined and vertical treatments．As for the different laying height，the average trapped moths in 0 cm treatment was 1.491 times and 2.485times，compared to the heights 30-35 cm and 60-65 cm，respectively，with a significant difference betweenthe height 0 cm and 60-65 cm treatments．Therefore，it is recommended that the blue sticky cards are placedhorizontally on the ground to get the higher trapping effects for T. absoluta in the field．
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Received: 18 September 2023
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