Frank Drummond wants growers to know that SWD has been caught in southern Maine and one area in Columbia on the barrens this week (July 23, 2015) ? Very spotty captures, little threat at this point, but all growers should have traps out.
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This past week (September 12) saw a sharp increase in the number of SWD trap captures, both in the Blue Hill Peninsula (70.2 flies/trap) and in the Jonesboro area (80.4 flies/trap). Infestation of fruit was found to be 6.4% in the Blue Hill Peninsula and only 0.5% in the Jonesboro area. If the weather warms […]
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A few days ago (the end of August) we started to have a slight surge in SWD trap captures throughout the Downeast area. Average male trap captures ranged from nine to eleven per trap and total SWD ranged from 19 to 31 per trap. We also STARTED to find infested fruit. The percent infestation, where […]
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Last week (August 19) SWD trap captures in both the Blue Hill and Jonesboro area remained stable with little change in adult captures compared to the previous week (Blue Hill = 10-20 flies/trap; Jonesboro = four to six flies/trap). As of last week, we have not detected any SWD in fruit samples. We will be […]
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Last week (August 13) SWD trap captures in the Blue Hill area started to increase dramatically to 10-20 flies/trap. In the Columbus and Jonesboro area, trap capture increased to four to six SWD/trap. As of last week, there was still NO detectable SWD larval infestations in the fruit. We will be sampling the traps and […]
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SWD adults are still being trapped in single numbers. This suggests that the population has not started to build yet, although it is anticipated that this might occur in the next seven-ten days. As of yet, we have NOT yet found any wild blueberry fields that have SWD infested berries, although blueberry maggots have been […]
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Last week we captured SWD in traps that were placed in Jonesboro. So far, SWD has been captured in a few fields in Coastal Maine, the Blue Hill area and in Jonesboro. SWD was also captured in Nova Scotia last week. Please deploy traps if you have not already done so and monitor them at […]
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Fact sheet for SWD management in Michigan Highbush blueberries: SWD Management Recommendations for Michigan Blueberry, Updated June 2014 (PDF), which is very informative and includes a table with rain steadfast properties of some of the SWD insecticides. SWD Management Recommendations for Michigan Blueberry, Updated June 2014 (PDF) (Michigan State University College of Agriculture & Natural Resources […]
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SWD trap captures in Washington County remained steady and similar to last week. At the University of Maine Blueberry Hill Farm, we continue to capture anywhere from one to thirty flies per trap; and the proportion of fruit that has SWD larvae appears to be very low (less than 1%) as we still have not […]
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SWD trap captures continue to build throughout the state. At the University of Maine Blueberry Hill Farm, we are now catching 10-30 flies/trap. Traps in other areas Downeast are now capturing 30+ flies/trap. These SWD continue to be mostly females; however, males appear to be making up a larger percentage than in previous weeks. The […]
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