Comparison of Commercial Lures and Food Baits for Early Detection of Fruit Infestation Risk by Drosophila suzukii (Diptera: Drosophilidae)

Drosophila suzukii (Matsumura; Diptera: Drosophilidae) is one of the most serious invasive pests of berries and cherries worldwide. Several adult monitoring systems are available to time foliar application of insecticides with the expectation of detecting the presence of D. suzukii before they infes...

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Bibliographic Details
Published in:Journal of economic entomology 2018-04, Vol.111 (2), p.645-652
Main Authors: Cha, Dong H, Hesler, Stephen P, Wallingford, Anna K, Zaman, Faruque, Jentsch, Peter, Nyrop, Jan, Loeb, Gregory M
Format: Article
Language:English
Subjects:
Baits
Berries
Blueberries
chemical lure
Cherries
Cider
Diptera
Dough
Drosophila suzukii
Drosophilidae
early detection
ECOLOGY AND BEHAVIOR
Fermentation
Foliar applications
Fruits
Infestation
infestation risk
Insecticides
Insects
monitoring
Pests
spotted wing drosophila
Trapping
Traps
Vinegar
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Summary:Drosophila suzukii (Matsumura; Diptera: Drosophilidae) is one of the most serious invasive pests of berries and cherries worldwide. Several adult monitoring systems are available to time foliar application of insecticides with the expectation of detecting the presence of D. suzukii before they infest susceptible crops. We tested this by comparing four different trapping systems based on two homemade baits, apple cider vinegar (ACV) or fermenting dough, and two fermentation volatile-based commercial lures, Scentry and Trécé. Traps baited with dough or Scentry captured more D. suzukii than traps baited with ACV or Trécé in blueberries and traps baited with Trécé in raspberries. In blueberries, traps baited with Scentry, Trécé and dough provided 11–21 d of warning prior to first detection of fruit infestation. However, these traps were not as effective in summer floricane raspberries. The Scentry lure baited traps detected D. suzukii on the same week as the first detection of fruit infestation and other trapping systems detected the fly 4 to 11 d after the first detection, suggesting the need for an improved D. suzukii detection system in raspberries. Both synthetic lures (Scentry and Trécé) were significantly more selective for D. suzukii than dough bait, although the selectivity of all four tested lures/baits were relatively low at
ISSN:0022-0493
1938-291X
DOI:10.1093/jee/tox369