SWD counts this week have climbed to levels that are considered potentially damaging to ripening berry crops, especially raspberries and blueberries (see table below). Spotted Wing Drosophila Traps on Your Farm Although our Metro Area SWD Network provides one indicator of annual pest pressure, it cannot fully reflect the SWD pressure, or onset of SWD activity, that you experience on your farm. The soap decreases the surface tension of the bait, making it easier for the small flies to fall in and drown. The SWD was first detected in 2008 in the western United States and it has since rapidly spread SPOTTED WING DROSOPHILA (Drosophila suzukii) Although there are native species of fruit or vinegar flies in North America, the spotted wing drosophila (SWD) is a relatively new introduction that damages certain fruit crops throughout the country. The bottom line is that apple cider vinegar works very well as a bait. Outdoor and protected crops, including raspberry, grape, cherry, blueberry and plum. The spotted wing drosophila, Drosophila suzukii Matsumura (Diptera: Drosophilidae), is an invasive pest native to Asia that has recently invaded Europe and the Americas. Confirmed 2020 trap captures in New York: Counties colored white either don’t have traps reporting to the map or have not entered trap catch data into the … The spotted wing drosophila (Drosophila suzukii) is a fruit fly, very similar to the native common fruit fly which is often found on decaying fruit. The University of Maine is an equal opportunity/affirmative action institution. Traps in wild areas should be hung 1 metre above ground level and out of direct sunlight. Claim: A saltwater solution will force insect pests out of infested strawberries. The most successful traps are described in more detail in the 2014 Recommendations for Sweet Cherry (PDF). Presence of the pest is the first step to determine future management strategies. Start protective sprays on any berries that have begun to ripen, when more than four spotted wing drosophila flies are caught in a trap, or any larvae are noticed in the fruit. This small insect has been in Hawaii since the 1980s, was detected in California in 2008, spread through the West Coast in 2009, and was detected in Florida, Utah, the Carolinas, Wisconsin and Michigan for the first time in 2010. Making a Spotted Wing Drosophila Fruit Fly Trap I made this trap by taking half gallon milk containers and poking holes in the top half of the container. Growers of the berries on these farms have had an active insecticide program in place for SWD. 3. https://extension.umaine.edu/.../insects/spotted-wing-drosophila-traps Presence of the pest is the first step to determine future management strategies. What is a spotted wing drosophila fruit fly trap? Look for fruit flies hovering around fruit and symptoms of premature fruit decay. AKA: vinegar fly, cherry fruit fly, cherry vinegar fly, Drosophila suzukii . Post date: Mar 4, 2013. Research suggests that when six to ten flies are caught in a yeast-baited trap in a week, larvae will start appearing in the fruit. How to make a trap to catch the Spotted Wing Drosophila Fly Amy Dreves, an entomologist with the Oregon State University Extension Service, demonstrates how to make traps out of plastic cups to catch the spotted wing drosophila fly. The red cup trap, two bottle traps, and the Trappit trap. This means it can be much more damaging to garden crops. I used about 5-6 containers in my small raspberry patch. July 7th, 2016. Be sure to read and follow all pesticide product labels carefully, especially in regards to days to harvest restrictions and the number of applications allowed per growing season. Prepared by Frank Drummond, Professor of Insect Ecology/Entomology, The University of Maine, Orono, ME 04469. Place the dough bait container into the trap. It is therefore best to make, or purchase two or more SWD traps for your farm, to have the best information about SWD infestation potential. In raspberries in Orleans County, 8 SWD were caught in 2 traps (3 males and 5 females). Source: R. Cowles, Connecticut Agricultural Experiment Station. Genus: Drosophila. (B) A strainer is used to filter flies from the bait solution. In my last post I introduced the spotted wing drosophila fruit fly and how damaging it is. For the bait: Stir together live yeast, sugar, and water in a container large enough to handle some expansion. This fly lays its eggs in soft fruits like raspberries, grapes, blueberries, and strawberries. Spotted Wing Drosophila Trap with whole wheat dough bait – Cornell Fruit Resources (pdf) There is a trap network run by Extension personnel across New York State who are monitoring SWD in fruit plantings. SWD is a difficult pest to control. Our lab has continued the monitoring project into the 2016 season. Contact email@example.com or call 207.933.2100. Adult flies are needed to confirm species. Always consult product labels for rates, application instructions and safety precautions. Genus species: Drosophila suzukii. The best way to find out if you have spotted wing drosophila in your garden is to set up some simple traps. The spotted wing drosophila (SWD), Drosophila suzukii, is an exotic vinegar fly originating from South-East Asia and has invaded many American and European countries. Although monitoring traps are used for early D. suzukii adult detection to time the start … In the field, pour apple cider vinegar into the trap (red plastic cup) until it is about 2 inches deep. The most effective management plans integrate a mix of cultural, preventative and chemical (either organic or synthetic pesticide) practices. Sites capturing more than four SWD flies in a week should remain on a protective spray schedule to prevent fruit from becoming infested with larvae. It attacks a range of soft skinned fruit and reduces crop yield and quality through direct feeding damage and … Then I filled it with an inch of apple cider vinegar and hung them around the raspberries. Add just a drop or two of liquid soap to the bait. Let the mixture ferment 24 hours.