Efficacy of LED-enhanced blue sticky traps combined with the synthetic lure Lurem-TR for trapping of western flower thrips (Frankliniella occidentalis)

Otieno, Jacinter A.; Stukenberg, Niklas; Weller, Jessica; Poehling, Hans‐Michael

doi:10.1007/s10340-018-1005-x

Cited by 35 publications

(62 citation statements)

References 49 publications

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“…This requires a reliable catch quota, which is not always given by color as indicated above. Since the use of reflective color traps has the highlighted shortcomings, the use of light-emitting diodes (LEDs) alone or in addition to colored traps are a valid possibility to increase the attractiveness of visual traps [ 9 , 10 ]. LEDs emit narrow-bandwidth light independent of the ambient light, which can be individually controlled and combined.…”

Section: Introductionmentioning

confidence: 99%

“…Color choice studies using stimuli with different broadband reflection patterns commonly do not clearly separate intensity and wavelength-dependent responses. Therefore, the use of adjustable narrow-bandwidth LEDs has also turned out to be a suitable tool to study the color choice behavior of insects [ 10 , 11 , 12 , 13 ]. With one exception [ 10 ], the analyses carried out on the color preference of F. occidentalis are based exclusively on the use of reflective color traps.…”

Section: Introductionmentioning

confidence: 99%

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Wavelength-Specific Behavior of the Western Flower Thrips (Frankliniella occidentalis): Evidence for a Blue-Green Chromatic Mechanism

Stukenberg

Pietruska

Waldherr

et al. 2020

Insects

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The western flower thrips (Frankliniella occidentalis) is a serious pest in horticulture, feeding on leaf tissue and floral resources. Blue and yellow sticky traps are commonly used for monitoring and control in greenhouses. The mechanisms underlying the color preferences are largely unknown. The use of light-emitting diodes (LEDs) is a promising approach to increase the attractiveness of visual traps and to study the color choice behavior in insects. The color preferences of F. occidentalis were systematically investigated in a series of choice experiments with several LEDs from the ultraviolet (UV) and visible spectral range. Blue LEDs were most attractive, followed by green, while only a moderate attractiveness of UV was observed. Blue and green were identified as two separate attractive ranges. When light from blue and green LEDs was mixed, the attractiveness decreased compared to its single components. In conclusion, F. occidentalis exhibits two different wavelength specific behaviors towards blue and green. Compelling indications are provided that these behaviors are controlled by two photoreceptors maximally sensitive in the blue and green range with an inhibitory chromatic interaction between both. Since the known UV sensitive photoreceptor could be confirmed, a trichromatic photoreceptor setup is suggested for F. occidentalis. For advanced plant protection strategies, the results offer several opportunities to optimize monitoring or even develop mass trapping devices.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Wavelength-Specific Behavior of the Western Flower Thrips (Frankliniella occidentalis): Evidence for a Blue-Green Chromatic Mechanism

Stukenberg

Pietruska

Waldherr

et al. 2020

Insects

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“…The appearance of a colour does not only depend on the reflected wavelength, but also on other physical characteristics such as shininess or smoothness of a given surface, as well as trap size, dispersal distance and direction of thrips movement (Moreno et al 1984;Roth et al 2016). Recent studies by Otieno et al (2018) indicate that adding blue narrow bandwidth LEDs with a peak emission of 445 nm to the blue sticky traps enhanced their performance for trapping western flower thrips as compared to conventional blue sticky traps. Also, the effects of other stimuli (biochemical, physiological, etc.)…”

Section: Discussionmentioning

confidence: 99%

“…Also, the effects of other stimuli (biochemical, physiological, etc.) may modify insect behaviour (Koschier et al 2002;Otieno et al 2018;Symporien et al 2018). In a detailed study on the susceptibility of pea cultivars to infestation and feeding by T. tabaci, Pobozniak (2013) stated that thrips were affected by the higher contents of green pigments in the leaves of pea plants, and the cultivars with grassy or rich green-coloured leaves were the ones most frequently colonised by onion thrips.…”

Section: Discussionmentioning

confidence: 99%

Evaluation of sticky trap colour for thrips (Thysanoptera) monitoring in pea crops (Pisum sativum L.)

2020

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We compared the effectiveness of three different trap colours (blue, yellow and white) to identify the optimal trap colour for the monitoring of the thrips Frankliniella intonsa, Thrips tabaci, Thrips fuscipennis and Aeolothrips intermedius in the three pea cultivars, namely Polar, Izolda and Tarchalska. The number of captured thrips specimens was significantly affected by trap colour, pea cultivar and interaction between these factors. The two most attractive trap base colours for thrips were blue (peak at 450 nm) and yellow (peak at 550 nm). Irrespective of the pea cultivar, most F. intonsa were captured on the blue and yellow traps. Blue traps were the most attractive to T. fuscipennis and T. tabaci, followed by yellow and white ones, and yellow traps were most attractive to A. intermedius. More thrips were caught on the traps located in the plots with cultivars characterised by a longer growing season Tarchalska and Izolda, which were inhabited by large numbers of thrips. There was a significant interaction effect between trap colour and pea cultivar on the number of caught F. intonsa and T. fuscipennis in both years and for T. tabaci in 2010. Overall, among the tested trap colours, blue traps were the most effective ones for monitoring thrips in pea fields and could be used as an early detection tool. Yellow traps may be risky because they reduce population densities of the predaceous A. intermedius in pea fields, thus leading to an increase in pest numbers.

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“…Another conventional measure, sticky cards, are widely used by growers for monitoring thrip populations in greenhouses (Ren et al ., ). It was reported that blue cards are highly attractive to F. occidentalis (Otieno et al ., ). Because adult thrips explore their host range in part through volatiles, the commercially available F. occidentalis semiochemicals are frequently used as lures in conjunction with sticky card traps (Broughton et al ., ) to attract and monitor or eliminate thrips.…”

Section: Management Of F Occidentalismentioning

confidence: 97%

A global invasion by the thrip, Frankliniella occidentalis: Current virus vector status and its management

Guo

Reitz

et al. 2019

Insect Science

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Western flower thrip, Frankliniella occidentalis (Pergande), is among the most economically important agricultural pests globally, attacking a wide range of vegetable and horticultural crops. In addition to causing extensive crop damage, the species is notorious for vectoring destructive plant viruses, mainly belonging to the genera Orthotospovirus, Ilarvirus, Alphacarmovirus and Machlomovirus. Once infected by orthotospoviruses, thrips can remain virulent throughout their lifespan and continue transmitting viruses to host plants when and wherever they feed. These irruptive viral outbreaks in crops will permanently disrupt functional integrated pest management systems, and typically require a remedial treatment involving insecticides, contributing to further development of insecticide resistance. To mitigate against this continuing cycle, the most effective management is early and comprehensive surveillance of the pest species and recognition of plant viruses in the field. This review provides information on the pest status of F. occidentalis, discusses the current global status of the viruses vectored by this thrip species, examines the mechanisms involved in transmitting virus-induced diseases by thrips, and reviews different management strategies, highlighting the potential management tactics developed for various cropping systems. The early surveillance and the utilization of potential methods for control of both F. occidentalis and viruses are proposed.

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Efficacy of LED-enhanced blue sticky traps combined with the synthetic lure Lurem-TR for trapping of western flower thrips (Frankliniella occidentalis)

Cited by 35 publications

References 49 publications

Wavelength-Specific Behavior of the Western Flower Thrips (Frankliniella occidentalis): Evidence for a Blue-Green Chromatic Mechanism

Wavelength-Specific Behavior of the Western Flower Thrips (Frankliniella occidentalis): Evidence for a Blue-Green Chromatic Mechanism

Evaluation of sticky trap colour for thrips (Thysanoptera) monitoring in pea crops (Pisum sativum L.)

A global invasion by the thrip, Frankliniella occidentalis: Current virus vector status and its management

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