Developing Drosophila suzukii management programs for sweet cherry in the western United States

Abstract

The results presented here form the basis for developing D. suzukii management programs in the western United States. Additional studies are needed to refine management practices for the different growing regions and conventional versus organic production requirements. Cherry growers will likely need to apply broad-spectrum insecticides in a prophylactic manner until treatment thresholds and monitoring methods have been developed and validated.

Behavioral and Antennal Responses of Drosophila suzukii (Diptera: Drosophilidae) to Volatiles From Fruit Extracts

“…Since its introduction in 2008, D. suzukii has become a devastating pest of softskinned fruit crops, such as raspberries, blueberries, and strawberries, in the continental United States of America (Beers et al 2011, Hauser 2011; although it has been in the Hawaiian Island as far back as the 1980s (Kaneshiro 1983). In Europe, D. suzukii flies were first collected in Rasquera, Spain, in 2008(Calabria et al 2010) and also in Pisa, Italy (Cini et al 2012).…”

“…Because of its economic impact on fruit crops , farmers usually resort to calendar-based applications of organophosphate, pyrethroid, and spinosyn insecticides to manage D. suzukii (Beers et al 2011, Lee et al 2011a. Early detection of this fly on farms is essential for quick management measures that could lead to reductions in the rate and amount of insecticide applications.…”

“…Early detection of this fly on farms is essential for quick management measures that could lead to reductions in the rate and amount of insecticide applications. To date, D. suzukii populations are monitored by traps that use fermentation products such as apple cider vinegar, wine, or yeast as baits (Beers et al 2011;Lee et al 2011aLee et al , 2012Lee et al , 2013Landolt et al 2012a,b). In particular, apple cider vinegar is commonly used because it is easily available and is relatively cheap (Beers et al 2010;Lee et al 2012Lee et al , 2013.…”

Effective Trapping of Fruit Flies with Cultures of Metabolically Modified Acetic Acid Bacteria

“…Although fruits are protected with sprays of chemical insecticides once the SWD is detected, growers risk the rejection of harvested fruits when the levels of residual insecticides exceed the maximum limits (5). Serious economic losses are estimated to be caused by the SWD, including increased management costs and rejection of crops, in the fruit-growing industries of the United States and Europe (6,7). Therefore, effective flytraps are important to establish a systematic pest management program to prevent economic damage by protecting fruits from the attack of the SWD and other Drosophila species.…”

Comparison of a Synthetic Chemical Lure and Standard Fermented Baits for TrappingDrosophila suzukii(Diptera: Drosophilidae)

“…The detection and monitoring of D. suzukii is important for making pest management decisions (Beers et al 2011, Dreves 2011, Isaacs 2011. Monitoring has mostly used various designs of cup traps containing fermented food baits such as vinegars, wines, and yeastÐsugar solutions , Cini et al 2012.…”