Trapping the African Fig Fly (Diptera: Drosophilidae) with Combinations of Vinegar and Wine

Epsky, Nancy D.; Gill, Micah A; Dong, H.; Landolt, Peter J.

doi:10.1653/024.097.0111

Cited by 12 publications

(22 citation statements)

References 8 publications

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“…Interestingly, Z. indianus captures in central Florida were more than twice as high in ACV + beer as in the synthetic lure or commercial trapping systems, particularly for a few weeks in January and early February. Previously, Z. indianus captures were improved when wine or ethanol was added to vinegar . The combination of acetic acid, ethanol, acetoin and methionol was most attractive to D. suzukii (the components of the synthetic lure), and the same four compounds plus isoamyl alcohol and ethyl hexanoate were strongly attractive to Z. indianus .…”

Section: Discussionmentioning

confidence: 99%

“…However, it may be able to colonize fruit already compromised by D. suzukii , thus accelerating fruit decomposition and exacerbating damage. Zaprionus indianus is captured incidentally in traps for D. suzukii , as it is attracted to wine, vinegar and some of the same compounds as D. suzukii . Determining which attractants are also most effective for Z. indianus will help combine trapping and monitoring efforts for both pests in regions in which they co‐occur.…”

Section: Introductionmentioning

confidence: 99%

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Trapping system comparisons for and factors affecting populations of Drosophila suzukii and Zaprionus indianus in winter‐grown strawberry

Renkema

Iglesias

Bonneau

et al. 2018

Pest Management Science

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Florida strawberry is at risk of D. suzukii infestation, as flies were captured throughout the growing season. However, fly captures remained relatively low, peaking at 1.5 flies per trap per day. In central Florida, the low availability and suitability of non-crop hosts likely limit population growth. The finding of few flies in northern Florida may additionally be attributable to a greater proportion of flies displaying winter morph coloration than in central Florida. © 2018 Society of Chemical Industry.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Trapping system comparisons for and factors affecting populations of Drosophila suzukii and Zaprionus indianus in winter‐grown strawberry

Renkema

Iglesias

Bonneau

et al. 2018

Pest Management Science

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“…In fact, it has been suggested that D. suzukii and Z. indianus may rely on different sets of behaviourally important volatiles (Epsky et al. ). Indeed, we found that Z. indianus are behaviourally responsive to two wine compounds (isoamyl acetate and ethyl hexanoate) that were not attractive to D. suzukii .…”

Section: Discussionmentioning

confidence: 99%

“…All experiments were conducted in a guava, Psidium guajava L. , orchard, where Z. indianus have been previously reported (Epsky et al. ).…”

Section: Methodsmentioning

confidence: 99%

“…In fact, a recent study shows that Z. indianus can be trapped with a mixture of wine and vinegar (Epsky et al. ). In that same study, a mixture of acetic acid and ethanol was more attractive to Z. indianus than either acetic acid or ethanol alone, a mixture of wine and vinegar was more attractive than either wine or vinegar alone, and wine was significantly more attractive than vinegar.…”

Section: Introductionmentioning

confidence: 99%

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From a non‐target to a target: identification of a fermentation volatile blend attractive to Zaprionus indianus

Chi¹,

Gill

Epsky

et al. 2014

J Applied Entomology

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The African fig fly, Zaprionus indianus Gupta, is rapidly spreading through the New World and is a new potential pest for numerous fruit crops. Methods are needed to detect and monitor Z. indianus. A recent study shows that Z. indianus can be attracted with a mixture of wine and vinegar, but there are no chemical attractants yet identified. This fly was captured incidentally as a non‐target insect in experiments to develop chemical lures, based on wine and vinegar fermentation volatiles, for Drosophila suzukii Matsumura and Drosophila melanogaster Meigen. We then generated testable hypotheses on what combination of these volatiles was involved in Z. indianus attraction to wine and vinegar. We determined through a series of trapping experiments that the blend of ethanol, acetic acid, acetoin, isoamyl acetate, methionol and ethyl hexanoate constitutes a strong attractant for Z. indianus and accounts for its attraction to the combination of wine and vinegar. These results and findings provide the first opportunity to develop a long‐lasting and consistent chemical lure for trapping of Z. indianus. Such a lure in a suitable trap should provide a good means to document the spread of the fly and determine its seasonality and abundance in new areas and crops.

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Identification and Optimization of Microbial Attractants for Philornis downsi, an Invasive Fly Parasitic on Galapagos Birds

et al. 2016

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We investigated the role of olfactory cues from actively fermenting yeast (Saccharomyces cerevisiae) in attraction of adult Philornis downsi and identified two synergistically attractive yeast volatiles. Larvae of this invasive fly parasitize the hatchlings of passerines and threaten the Galapagos avifauna. Gas chromatography coupled with electroantennographic detection (GC-EAD), coupled gas chromatography-mass spectrometry (GC-MS), and field trapping experiments were used to identify volatile compounds from a yeast-sugar solution. EAD responses were consistently elicited by 14 yeast volatiles. In a series of field trapping experiments, a mixture of the 14 EAD-active compounds was similarly attractive to P. downsi when compared to the yeast-sugar solution, and we found that acetic acid and ethanol were essential for attraction. A mixture of 0.03 % acetic acid and 3 % ethanol was as attractive as the 14-component blend, but was not as attractive as the yeast-sugar solution. Philornis downsi showed positive and negative dose-responses to acetic acid in the ranges of 0.01 ~ 0.3 % and 0.3 ~ 9 %, respectively. Further optimization showed that the mixture of 1 % acetic acid and 3 % ethanol was as attractive as the yeast-sugar solution. Both mixtures of acetic acid and ethanol were more selective than the yeast-sugar solution in terms of non-target moths and Polistes versicolor wasps captured. These results indicate that acetic acid and ethanol produced by yeasts are crucial for P. downsi attraction to fermented materials on which they feed as adults and can be used to manage this invasive fly in Galapagos.

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Trapping the African Fig Fly (Diptera: Drosophilidae) with Combinations of Vinegar and Wine

Cited by 12 publications

References 8 publications

Trapping system comparisons for and factors affecting populations of Drosophila suzukii and Zaprionus indianus in winter‐grown strawberry

Trapping system comparisons for and factors affecting populations of Drosophila suzukii and Zaprionus indianus in winter‐grown strawberry

From a non‐target to a target: identification of a fermentation volatile blend attractive to Zaprionus indianus

Identification and Optimization of Microbial Attractants for Philornis downsi, an Invasive Fly Parasitic on Galapagos Birds

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