Evaluating Light Attraction to Increase Trap Efficiency for Tribolium castaneum (Coleoptera: Tenebrionidae)

Duehl, Adrian J.; Cohnstaedt, Lee W.; Arbogast, Richard T.; Teal, Peter E. A.

doi:10.1603/ec10458

Cited by 62 publications

(45 citation statements)

References 32 publications

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“…LEDs can produce narrow spectrum light with little heat, and have been proved to have high quality, long lifetime, low cost, and a high degree of safety (Duehl et al 2011). LEDs have been widely used in phototaxis tests of Þsh, zooplankton, and invertebrates such as insects (Ralston et al 2007, Katsuki et al 2012, Chen et al 2013.…”

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confidence: 99%

Phototaxis of <I>Grapholitha molesta</I> (Lepidoptera: Olethreutidae) to Different Light Sources

et al. 2014

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The Oriental Fruit Moth Grapholita molesta (Busck) causes substantial damage to stone and pome fruit crops worldwide. Light-based traps offer a potential means for pest monitoring and management. In this study, we tested the preference of G. molesta for the following light sources: monochromatic light produced from light-emitting diodes (LEDs) (red, orange, yellow, green, blue, violet, and white), specific wavelengths of light produced from filters (405, 450, 480, 512, 540, 576, and 610 nm), and polychromatic light produced by different numbers (0, 12, 24, and 36) of green, blue, and violet LEDs. The arrangement of polychromatic lights was based on an orthogonal design matrix of L16 (4(3)). Based on the results of former studies, we further determined the optimal number of green and violet LEDs. The results showed that: 1) G. molesta strongly preferred the green, violet, and blue LEDs; 2) G. molesta significantly preferred light at 405 nm, followed by 540 nm, and showed no phototaxis to 480 nm; 3) for the polychromatic light configuration, violet and green were the factors that determined the preference of G. molesta, and the lamp with 12 violet LEDs captured the most moths; and 4) for the lamps with different light intensities, 36 violet LEDs or 12 green LEDs attracted the most moths, with the former performing better.

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confidence: 99%

Phototaxis of <I>Grapholitha molesta</I> (Lepidoptera: Olethreutidae) to Different Light Sources

et al. 2014

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“…It is particularly notable that the sweetpotato weevil response to green light alone was very limited, yet the combination of the light with the strong semiochemical lure resulted in a major increase in trap response. An increase in trap catch in response to light (near UV: 390 nm) + an aggregation pheromone has also been observed with the red flour beetle, Tribolium castaneum (Herbst), relative to catch in traps baited with aggregation pheromone alone20, but, in that case, there had been a good catch of beetles in traps baited with light alone and low catch in traps baited with the aggregation pheromone (a reversed relative response to light versus lure compared with what was observed in the present trial).…”

Section: Discussionmentioning

confidence: 73%

Green Light Synergistally Enhances Male Sweetpotato Weevil Response to Sex Pheromone

McQuate

2014

Sci Rep

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Sweetpotato, commercially grown in over 100 countries, is one of the ten most important staple crops in the world. Sweetpotato weevil is a major pest of sweetpotato in most areas of cultivation, the feeding of which induces production in the sweetpotato root of extremely bitter tasting and toxic sesquiterpenes which can render the sweetpotato unfit for consumption. A significant step towards improved management of this weevil species was the identification of a female-produced sex pheromone [(Z)-3-dodecenyl (E)-2-butenoate] to which males are highly attracted. Reported here are results of research that documents a nearly 5-fold increase in male sweetpotato weevil catch in traps baited with this pheromone and a green light provided by a solar-powered, light-emitting diode (LED). The combination of olfactory and night-visible visual cues significantly enhanced trap effectiveness for this nighttime-active insect species. These results provide promise for improved sweetpotato weevil detection and suppression in mass trapping programs.

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“…Light traps increased the number of insects caught, since many nocturnal insects are attracted to light (Duehl et al. ; Goretti et al. ).…”

Section: Discussionmentioning

confidence: 99%

Using insect traps to increase weaver ant (Oecophylla longinoda) prey capture

Lynegaard

Offenberg

Fast

et al. 2013

J Applied Entomology

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Weaver ants (Oecophylla spp.) are managed in plantations to control insect pests and are sometimes harvested as a protein‐rich food source. In both cases, the amount of insect prey caught by the ants is imperative for returns, as more prey leads to more effective biocontrol and to a higher production of ants. Malaise‐like traps placed in trees may catch flying insects without catching ants, as ants may use pheromone trails to navigate in and out of the traps. Thus, ants may increase their prey intake if they are able to extract insects caught in traps. In a mango plantation in Tanzania, we estimated the amount of insects caught by simple traps (cost per trap = 3.9 USD), and whether Oecophylla longinoda was able to collect insects from them. On average, a trap caught 110 insects per month without catching any weaver ants. The number of insects found in traps with ant access was 25% lower than in control traps (ants excluded), showing that ants were able to gather prey from the traps. Ant activity in traps increased over time, showing that prey extraction efficiency may increase as ants customize to the traps. The prey removed from traps by ants constituted 5% of the number of prey items collected by O. longinoda under natural conditions (without traps), potentially increasing to 14% if ants learn to extract all insects. Thus, prey intake may be increased with 5–14% per 3.9 USD invested in traps. These numbers increased to 38 and 78%, respectively, when light was used to attract insects during night time. Combining ant predation with insect trapping is a new approach potentially building increased returns to ant biocontrol and to ant entomophagy.

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Evaluating Light Attraction to Increase Trap Efficiency for Tribolium castaneum (Coleoptera: Tenebrionidae)

Cited by 62 publications

References 32 publications

Phototaxis of <I>Grapholitha molesta</I> (Lepidoptera: Olethreutidae) to Different Light Sources

Phototaxis of <I>Grapholitha molesta</I> (Lepidoptera: Olethreutidae) to Different Light Sources

Green Light Synergistally Enhances Male Sweetpotato Weevil Response to Sex Pheromone

Using insect traps to increase weaver ant (Oecophylla longinoda) prey capture

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