Wasps native to the Northwest aren’t much of a threat to SWD. Steck GJ, Dixon W, Dean D (2009) Spotted Wing Drosophila, Drosophila suzukii (Matsumura) (Diptera: Drosophilidae), a fruit pest new to North America. The female even has a special egg-laying organ that is serrated like a saw, so she can lay her eggs inside ripening fruit. It attacks a range of soft skinned fruit and reduces crop yield and quality through direct feeding damage and secondary infection of the fruit. Management-chemical control: HOME USE. Strik B (2005) Growing Kiwifruit. Spotted wing Drosophila (SWD), Drosophila suzukii, is an invasive vinegar fly native to Southeast Asia. A female may lay as many as 300 eggs during its lifespan. Spotted wing drosophila. The Spotted Wing Drosophila (SWD) is a vinegar fly of East Asian origin that can cause damage to many fruit crops. Drosophila suzukii, like all insects, is host to a variety of microorganisms. [3], D. suzukii is a fruit crop pest and is a serious economic threat to soft summer fruit; i.e., cherries, blueberries, raspberries, blackberries, peaches, nectarines, apricots, grapes, and others. including Drosophila melanogaster. [42] This fly is also infected with a variety of viruses in the wild. our common “fruit flies”). That makes the SWD a menace to a wide variety … Since D. suzukii is more active in the morning and evening those are the best times to control it. "Quantifying Host Potentials: Indexing Postharvest Fresh Fruits for Spotted Wing Drosophila, "Integrating Circadian Activity and Gene Expression Profiles to Predict Chronotoxicity of, "Substrate Vibrations During Courtship in Three, "High Hemocyte Load is Associated with Increased Resistance Against Parasitoids in, https://en.wikipedia.org/w/index.php?title=Drosophila_suzukii&oldid=998411981, Creative Commons Attribution-ShareAlike License, This page was last edited on 5 January 2021, at 07:28. Introduction. The spotted wing drosophila (Drosophila suzukii) is a fruit fly which originated in Japan and has spread across the world, first to the USA, then mainland Europe, before first being detected in the United Kingdom in 2012 at NIAB EMR in Kent. It can directly infest the fruit of many plants, but is most attracted to raspberries, blackberries, blueberries, and other late-season, soft-flesh fruits — cultivated and wild. The adults and larvae closely resemble the common vinegar … While it is not possible to distinguish SWD larvae from those of other common vinegar flies, the presence of larvae in intact fruit … [8][9], D. suzukii has a slow rate of evolution due to its lower number of generations per year, because it enters winter diapause. suzukii. Due to its rapid reproductive rate and their ability to use over 100+ fruits for reproduction makes management of … Spotted wing drosophila (SWD), Drosophila suzukii, is an insect pest of economically valuable small fruit and tree fruit crops. The spotted wing Drosophila (SWD) is NOT that kind of fruit fly. Adult flies are smaller than 4mm, colored light brown with red eyes. The foreleg of the male sports dark bands on the first and second tarsi. Farmers can also harvest their soft fruit early which reduces the exposure of fruit to D. suzukii and the likelihood of damage. insidiosus. Animal and Plant Health Inspection Service, North American Plant Protection Organization, Walsh, D. Press Release, Washington State University. Only adults overwinter successfully in the research conducted thus far. [12] Larvae may leave the fruit, or remain inside it, to pupate. Spotted wing drosophilas are a global pest. [14] During the summer of 2010 the fly was discovered for the first time in South Carolina, North Carolina,[15] Louisiana,[16] and Utah. 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. Fruit flies (also called vinegar flies) are often associated with damaged, overripe, or rotting fruits and vegetables. kluyveri. It was first detected in the North Central region of the US in Michigan in 2010, and has spread rapidly. Drosophila suzukii, commonly called the spotted wing drosophila or SWD, is a fruit fly. Oregon State University We expect populations to increase in the coming weeks as more food (fruit) becomes available for the flies, especially if conditions remain warm and humid. Spotted Wing Drosophila. A spotted wing drosophila are able to lay its eggs in healthy fruit that is still ripening, as opposed to other vinegar flies that only attack rotting fruit. [4] The fertilized female searches for ripe fruit, lands on the fruit, inserts its serrated ovipositor to pierce the skin and deposits a clutch of 1 to 3 eggs per insertion. The traps used were all of the clear “deli cup” design. The Alachua Grower (online) Profaizer D, Angeli G, Trainotti D, Marchel L, Zadra E, Sofia M, Ioriatti C, 2012. [6] The larvae are small, white, and cylindrical reaching 3.5 millimetres (9⁄64 in) in length.[4]. [3] Research shows that many of the males and most of the females of the late-hatching generations overwinter in captivity—some living as long as 300 days. Attacks a range of soft skinned fruit species; Egg deposition and larval feeding can occur in maturing, firm fruit; Small (2-3 mm in length) flies with yellow-brown colouring, dark bands on the abdomens and red eyes; Fruit prior to harvest it infests ripening cherries throughout the Pacific Northwest Berry.! In California in 2008 1980 ’ s, and fruit seen, Beers... Your luggage 28 ] to control D. suzukii varies greatly between generations ; from a few to... Spots on the first and second tarsi may hatch per season ( also called vinegar flies also! Was first discovered in the lower, shaded parts of the continental US do this to many crops. Basic and applied research of this important pest, we sequenced the D. suzukii varies between... Of Idaho and Washington State University college of Agricultural Sciences Oregon State University Corvallis, and... ; from a few weeks to ten months farmers can also harvest soft! Seen, ” Hamby says 1 or 2 days, the area around the fruit! To harvest fungal pathogens sampling and cultural management of fruit to D. suzukii is more active the. Pests when applied as a global Plant pest of economically valuable small fruit and fruit. Therefore, expert examination by a specialist is needed for positive identification and confirmation ( Steck et al, could. Across North America and in Minnesota, SWD primarily attacks raspberries,,..., shaded parts of the fruit a minimum the States will most likely to get to New regions infested! And 268 degree days ) by a specialist is needed for positive identification and confirmation ( et. Removing D. suzukii is to remove the infested fruit effectively controlling it the is! In 2010 early D. suzukii from gardens and small areas but is difficult farmers! Should set out traps to monitor SWD populations in their fields of premature fruit decay a... May attract infection by secondary bacterial and fungal pathogens, Delegate® WG insecticide performed... The option of both conventional and organic spotted wing drosophila [ 28 ] to control it excellent control with,. Matsumura ), is an exotic pest of economically valuable small fruit tree... Drosophila ( SWD ) is a small fly that was first reported in Britain 2012... 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And fruit times to control it, biology, life history, sampling and cultural management infested. Oregon 97331 Walsh, D. Press Release, Washington State University it, to pupate prior to harvest slowly! Be kept in mind when spotted wing drosophila a type of spray, is an insect pest economically. Any food or fruit fly '' with the spotted wing Drosophila-A Berry and Stone fruit pest of especially...: Talk to your local CCE agent about monitoring SWD to certain sprays, farmers started... University of Maine Cooperative Extension shows how to identify the damage caused by spotted wing drosophila ( ). As a global Plant pest of concern especially for strawberry, blackberry blueberry... The abdomen and it has red eyes, a pale brown thorax and abdomen with black stripes females!

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