Early Detection and Mass Trapping of Frankliniella occidentalis1,and Thrips tabaci1in Vegetable Crops

Natwick, Eric T.; Byers, John A.; Chu, Chia‐Chi; López, Martin I.; Henneberry, T. J.

doi:10.3958/0147-1724-32.4.229

Cited by 52 publications

(47 citation statements)

References 15 publications

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“…The parasitoids C. perminutus and L. dactylopii appear not to be affected by the differences in the wavelength of the two traps in contrast to A. pseudococci which had a more positive response to the yellow delta trap (Figures 4 and 5). The observation that the three parasitoids appear to be enticed towards the yellow traps with peak reflectance between 500 nm and 600 nm is in agreement with [5,25,[28][29][30] who found that yellow, being in the range of 500-600 nm, elicits positive responses from adult Anthonomus grandis, Trialeurodes vaporariorum, Frankliniella occidentalis, F. occidentalisi and Thrips tabaci, respectively. …”

Section: Discussionsupporting

confidence: 76%

The Comparative Efficacy of Two Traps for Monitoring Parasitoids of the Vine Mealybug Planococcus ficus Signoret (Hemiptera: Pseudococcidae) in the Western Cape Province, South Africa

Achiano¹

2017

Entomol Ornithol Herpetol

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Three parasitoids (Anagyrus pseudococci, Leptomastix dactylopii and Coccidoxenoides perminutus) of the vine mealybug, Planococcus ficus, were monitored using both yellow sticky traps and yellow delta traps, the latter baited with lures containing the female pheromone of P. ficus. The yellow sticky trap is usually used to monitor parasitoids and predators whilst the yellow delta trap is used to monitor male Planococcus ficus. All three parasitoid species showed positive phototaxis to the traps. There was no significant difference in the total number of parasitoids caught on the yellow sticky traps and yellow delta traps between the areas except at Morgenster at P=0.05. The yellow delta traps and yellow sticky traps showed different peak reflectances of 42.96% and 30.58%, respectively. The yellow delta traps (12.5 kWh/m 2 ) were more efficient than yellow sticky traps (4.2 kWh/m 2 ) in attracting parasitoids at low sunlight radiation. Generally, the results showed that the yellow delta trap with the pheromone lure used to monitor male mealybugs could also be used to monitor the natural enemies of the female P. ficus.

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Section: Discussionsupporting

confidence: 76%

The Comparative Efficacy of Two Traps for Monitoring Parasitoids of the Vine Mealybug Planococcus ficus Signoret (Hemiptera: Pseudococcidae) in the Western Cape Province, South Africa

Achiano¹

2017

Entomol Ornithol Herpetol

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“…Such data only indicate those characters that affect thrips alighting on a host and do not give information on the residence time or subsequent leaving rates (Terry 1997). Behavioral studies of the color preference of T. tabaci have provided variable results, but generally agree that greater numbers of thrips are caught by low UV-reßective white, blue, and yellow traps than are caught by green, red, black, and high UV-reßective white traps (Kirk 1984, Czencz 1987, Lu 1990, Teulon and Penman 1992, Trdan 1999, Szé nási et al 2001, Natwick et al 2007.…”

mentioning

confidence: 99%

Antixenotic Resistance of Cabbage to Onion Thrips (Thysanoptera: Thripidae). I. Light Reflectance

Fail¹,

Deutschlander²,

Shelton³

2013

j econ entomol

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Onion thrips (Thrips tabaci Lindeman) has become a signiÞcant pest of cabbage (Brasssica oleracea L.) in regions with a dry continental climate. Thrips-resistant cabbage varieties have been developed in breeding programs, but the mechanisms of resistance remain largely unknown. Antixenosis, one of the three resistance mechanisms, may play a role but no plant trait has been identiÞed as a source of antixenosis. A series of studies were conducted to identify resistance mechanisms in this insectÐ crop interaction and to seek plant traits that were correlated to resistance. In this Þrst article of the series, the result of studying antixenosis and overall resistance of cabbage and the correlation between antixenosis and light reßectance characteristics are reported. There were distinct differences in the overall resistance to thrips between the six cabbage varieties studied. There were more pronounced differences between varieties based on the number of damaged head leaves compared with the use of damage ratings as a measure of overall resistance. Varieties also differed in their level of antixenosis; proportional abundance of thrips adults on head-forming leaves was more closely correlated to overall resistance of cabbage than actual thrips numbers. Some of the variables computed from the recorded reßectance spectra of cabbage were correlated to thrips abundance on head-forming leaves only in the Þrst but not in the second year of this study, suggesting that either spectral characteristics do not affect antixenosis or other variables may affect thripsÕ responses to spectral cues. Furthermore, multiple spray applications of a kaolin particle-based product signiÞcantly changed the light reßectance characteristics of cabbage, but it did not reduce the actual thrips abundance on head-forming leaves.

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“…Gómez et al (2006) showed that sexual aggregation pheromone has the ability to increase WFT captures on blue sticky traps by up to three times more than traps without pheromone. Furthermore, Natwick et al (2007) observed that blue sticky traps combined with sex pheromone could further enhance the potential of WFT mass trapping. Moreover, Sampson et al (2012) reported that WFT localises flowers by using scent and colour although blue sticky traps attracted more thrips than traps of other colours, and even more so when combined with pheromone.…”

Section: Discussionmentioning

confidence: 99%

“…The use of this pheromone showed an increase in WFT captures on sticky traps up to three times more than on traps without it (Gómez et al 2006). Moreover, Natwick et al (2007) concluded that the use of blue sticky traps containing the WFT sex pheromone enhanced the potential of mass trapping. Sampson et al (2012) noted that regardless of the sticky trap colour, WFT was significantly more attracted to traps with pheromones than to traps without pheromones.…”

mentioning

confidence: 99%

Double-attraction method to control Frankliniella occidentalis (Pergande) in pepper crops in Tunisia

Elimem¹,

Silva²,

Chermiti³

2014

Plant Prot. Sci.

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Elimem M., Teixeira da Silva J.A., Chermiti B. (2014): Double-attraction method to control Frankliniella occidentalis (Pergande) in pepper crops in Tunisia. Plant Protect. Sci., 50: 90-96.Blue sticky traps with and without pheromone capsules were used to monitor and control Frankliniella occidentalis Pergande (1895) (Thysanoptera; Thripidae) in pepper crop greenhouses in Tunisia. Traps containing pheromone capsules could catch significantly more thrips than those without capsules, proving their efficiency in attracting and controlling this pest. In fact, greenhouses with traps with pheromone capsules caught 585.1, 526.7, and 668.8 adults/trap in a greenhouse with 10 traps with pheromone capsules on April 12, 19, and 26, 2012, respectively. The capture in a greenhouse with five traps with pheromone capsules was about 456.2, 412.8, and 431 adults/trap while in a greenhouse with five traps without pheromone capsules, the capture of F. occidentalis adults numbered 198, 257, and 302 adults/trap for the same three dates. Furthermore, traps with pheromone capsules captured males and females in equal numbers while traps without capsules caught much fewer males than females: 218.2 males/trap on April 26, 2012 in a greenhouse with five traps with pheromone capsules and 212.8 females/trap, 322.4 males/trap, and 342.3 females/trap in a greenhouse with 10 traps with pheromone capsules. In neither case were the differences significant. In contrast, in a greenhouse with five traps without pheromone capsules, the number of adults was about 88.6 males/trap, a significantly lower amount than the number of females/trap (213.4). This indicates that this pheromone plays a double role as a sex pheromone and as an aggregation pheromone by attracting both sexes. In fact, this double attraction approach improved the efficiency of these capsules by preventing the mating of untrapped females with males. This induced a high percentage of males and led to a decline in the thrips population on pepper flowers. Ten blue sticky traps with pheromone capsules reduced the thrips population more effectively in one week only than the use of five sticky traps, which took two weeks to achieve the control.

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Early Detection and Mass Trapping of Frankliniella occidentalis¹^,and Thrips tabaci¹in Vegetable Crops

Cited by 52 publications

References 15 publications

The Comparative Efficacy of Two Traps for Monitoring Parasitoids of the Vine Mealybug Planococcus ficus Signoret (Hemiptera: Pseudococcidae) in the Western Cape Province, South Africa

The Comparative Efficacy of Two Traps for Monitoring Parasitoids of the Vine Mealybug Planococcus ficus Signoret (Hemiptera: Pseudococcidae) in the Western Cape Province, South Africa

Antixenotic Resistance of Cabbage to Onion Thrips (Thysanoptera: Thripidae). I. Light Reflectance

Double-attraction method to control Frankliniella occidentalis (Pergande) in pepper crops in Tunisia

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