Assessment of Color Response and Flight Activity of Leptinotarsa decemlineata (Say) (Coleoptera: Chrysomelidae) Using Window Flight Traps

Zehnder, G. W.; Speese, John

doi:10.1093/ee/16.5.1199

Cited by 34 publications

(41 citation statements)

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“…Interception traps have been convenient tools to sample the population of Colorado potato beetles in ßight to determine their age structure or their sexratio (Voss and Ferro 1990), their color preference (Zehnder and Speese 1987), or their ßight direction (Noronha and Cloutier 1999). The trapping efÞciency of these devices being unknown, the representativeness of the beetle samples obtained must always be questioned and the use of these catches as an index of the absolute population cannot be considered.…”

Section: Discussionmentioning

confidence: 99%

“…Together these traps caught only 7, 3, 3, and 11 adult Colorado potato beetles in ßight in 1992Colorado potato beetles in ßight in , 1993Colorado potato beetles in ßight in , 1994Colorado potato beetles in ßight in , and 1995 Together, these catches are representative of the seasonality of the Colorado potato beetle ßight in this area (14 June to 19 July and 2 August to 20 September) and of the ability of this beetle to ßy as high as 14.3 m, but the small numbers of beetles caught do conÞrm for Þeld conditions that potato beetles avoid the interception traps and their supports. Based on these observations, the Plexiglas window traps used by Zehnder and Speese (1987) did not represent an estimate of the randomly dispersing beetle population. It seems that Plexiglas is perceived by beetles similarly to black.…”

Section: Discussionmentioning

confidence: 99%

“…The behavior of adult potato beetles in ßight as they approach a yellow window trap (experiment 1) was studied in a greenhouse headerhouse at Ϸ29ЊC. The trap, similar in design to that of Zehnder and Speese (1987), consisted of a wooden frame 76 by 140 cm holding a yellow interception surface of 65 by 52 cm (0.34 m 2 ) on either side of which were attached sections of gutters Þlled with a 50% solution of antifreeze. The trap was placed against a wall in a room.…”

Section: Methodsmentioning

confidence: 99%

“…Window traps have been developed to study ßight dispersal activity and orientation (Zehnder andSpeese 1987, Voss andFerro 1990). A screen trap has been developed to monitor aerial movement of adult Colorado potato beetle (Noronha and Cloutier 1999).…”

mentioning

confidence: 99%

“…Zehnder and Speese (1987) used clear Plexiglas window traps to estimate the random interception of potato beetles in ßight. The authors concluded that potato beetles in ßight were attracted to yellow window traps because of signiÞcantly greater catches in these than in clear Plexiglas traps.…”

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confidence: 99%

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Efficiency of Flight Interception Traps for Adult Colorado Potato Beetles (Coleoptera: Chrysomelidae)

Boiteau

2000

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Interception traps have been used to monitor and sample Colorado potato beetle, Leptinotarsa decemlineata (Say), populations in flight, but the efficiency of these traps was unknown. The efficiency of interception window traps is limited because flying adults avoid the traps and may bounce off the trap without being collected. All trap types tested were avoided in flight chamber tests, including those constructed of transparent Plexiglas or yellow wood boards. A larger screen trap and a harp trap designed to reduce detection were also avoided by the beetles in flight. None of the traps provide a direct estimate of the number of adults randomly flying in the trap area. The highest level of efficiency for window traps was obtained with the yellow trap, which caught 16% of the expected flying population. Harp and screen traps without frames intercepted 60-62% of the expected flying population. The presence of a frame did not increase significantly the avoidance of the screen and harp traps by beetles in flight. Recommendations are made to maintain or increase the efficiency of some traps.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

mentioning

confidence: 99%

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confidence: 99%

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Efficiency of Flight Interception Traps for Adult Colorado Potato Beetles (Coleoptera: Chrysomelidae)

Boiteau

2000

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10.1007/BF00188242

2011

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Sources of Insect and Plant Volatiles Attractive to Cottonwood Leaf Beetles Feeding on Hybrid Poplar

Kendrick

Raffa

2006

J Chem Ecol

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The cottonwood leaf beetle, Chrysomela scripta, is the most damaging insect affecting the production of Populus, an important source of sustainable forest products and biomass. Currently, there is no simple method for monitoring C. scripta populations, and nothing is known about potential chemical attractants for trapping. We conducted laboratory assays on sources of attraction to C. scripta adults. In olfactometer trials, beetles were attracted to volatiles released from conspecifics feeding on foliage. There was also significant, but lesser, attraction to odor from unwounded foliage, C. scripta alone, and frass. The latter two results indicate the presence of a pheromone. Wounding of foliage by C. scripta, but not by artificial means, enhanced its attractiveness compared to unwounded foliage, even when C. scripta by-products were removed. In direct comparisons, responses to odor from beetle-wounded foliage were not different from responses to odor from beetles feeding on foliage. We tested the attractiveness of volatiles emitted by adults feeding on foliage in the field using modified boll weevil traps. Results confirm that these volatiles are sufficient to increase trap catches in the field. Color is also important, with yellow baited traps catching more beetles than black baited. We propose that original landing by C. scripta is mediated by host odors and visual cues and that subsequent aggregation is enhanced by chemical cues associated with feeding by conspecifics. This may partially explain clustering in the field and likewise be incorporated into sampling schemes needed for integrated pest management.

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Assessment of Color Response and Flight Activity of Leptinotarsa decemlineata (Say) (Coleoptera: Chrysomelidae) Using Window Flight Traps

Cited by 34 publications

References 0 publications

Efficiency of Flight Interception Traps for Adult Colorado Potato Beetles (Coleoptera: Chrysomelidae)

Efficiency of Flight Interception Traps for Adult Colorado Potato Beetles (Coleoptera: Chrysomelidae)

10.1007/BF00188242

Sources of Insect and Plant Volatiles Attractive to Cottonwood Leaf Beetles Feeding on Hybrid Poplar

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