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UV-LED lights enhance the establishment and biological control efficacy of Nesidiocoris tenuis (Reuter) (Hemiptera: Miridae)
PLOS ONE ( IF 3.7 ) Pub Date : 2021-01-07 , DOI: 10.1371/journal.pone.0245165
Young-gyun Park , Joon-Ho Lee

The zoophytophagous mirid Nesidiocoris tenuis (Hemiptera: Miridae) is one of the biological control agents against the whitefly Bemisia tabaci (Hemiptera: Aleyrodidae), a major pest of greenhouse crops. The successful establishment of a biological control agent and its co-occurrence with the target pests increases the efficacy of biological control programs in greenhouses. In this study, we explored the effects of different wavelengths of LED light on establishment of N. tenuis in laboratory condition, with the goal of enhancing the biological control of B. tabaci in greenhouse crops. Nesidiocoris tenuis was most strongly attracted by LED light at a wavelength of 385 nm. This same wavelength was also highly attractive to B. tabaci in Y-tube experiments with lights of specific wavelengths provided is each arm of the apparatus. In trials in growth chambers, we verified the attraction of N. tenuis to 385 nm wavelength. When LED light at a wavelength of 385 nm was used in a growth chamber for 6 hours out of 24 hours, it significantly increased the remaining number of N. tenuis in growth chamber and level of predation compared to treatment with white LED light or without LED light. In conclusion, UV-LED light at a wavelength of 385 nm attracts both B. tabaci and N. tenuis. Thus, it would be used for enhancing early establishment of this mirid bug, better spatial congruence of both mirid bug and whitefly, and better control of the whitefly.



中文翻译:

紫外线LED灯增强了Nesidiocoris tenuis(Reuter)(半翅目:Miridae)的建立和生物防治功效

食虫性的近生Nesidiocoris tenuis(半翅目:Miridae)是对抗粉虱烟粉虱Bemisia tabaci)(半翅目:Aleyrodidae)的生物防治剂之一,后者是温室作物的主要害虫。生物防治剂的成功建立及其与目标害虫的共存增加了温室生物防治计划的效力。在这项研究中,我们探索了不同波长的LED光对N的建立的影响。Tenuis在实验室条件下,目的是增强B的生物控制。大棚作物中的烟粉虱球孢杆菌被波长为385 nm的LED光最强烈地吸引。相同的波长对B也极具吸引力。Y形管实验中的烟粉尘是设备的每个分支,提供了特定波长的光。在生长室的试验中,我们验证了N的吸引力。细叶至385纳米的波长。当在生长室中使用385 nm波长的LED光在24小时中使用6小时时,会显着增加N的剩余数量。细叶在生长室中,并与用白色LED光或不LED光治疗捕食的水平。最后,UV-LED灯在385nm的波长,同时吸引了粉虱ÑTenuis。因此,它将被用于增强这种虫的早期建立,提高虫和粉虱的空间一致性,并更好地控制粉虱。

更新日期:2021-01-07
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