How Salt, a Coffee Filter, and a Microscope Could Aid in Managing Spotted-Wing Drosophila

filter method for finding spotted-wing drosophila

By Andrew Porterfield The red-eyed, spotted fly first appeared in the United States in strawberry, raspberry, and blackberry crops in Santa Cruz County, California, in 2008. Then the Southeast Asian invader Drosophila suzukii began showing up in crops in other areas of coastal California, eventually making its way to the far Pacific Northwest and then […]

Could Repellents Be Useful in Protecting Crops From Spotted-Wing Drosophila?

spotted-wing drosophila on leaf

By Edward Ricciuti Cornell University scientists are tuning up the entomological version of psych war tactics that, instead of killing insect pests outright, manipulate their behavior so they avoid crops they might otherwise damage. Repellents that modify the behavior of insects might not stand alone as deterrents, but they could be deployed more extensively in […]

Designing Effective Baits for Spotted Wing Drosophila is No Easy Task

spotted wing drosophila on berry

By John P. Roche Spotted wing drosophila (Drosophila suzukii), is an invasive fruit fly species from eastern Asia, first seen in the United States in 2008. The species is devastating to fruit crops, causing economic losses in the U.S. of hundreds of millions of dollars. Spotted wing drosophila feeds on a wide range of host […]

New Formula Doubles Performance of Spotted Wing Drosophila Lure

spotted wing drosophila

To slightly modify an old adage, you can catch more flies with increased levels of acetoin, acetic acid, and ethanol than with methionol. Specifically, the fly in question is spotted wing drosophila (Drosophila suzukii), an invasive pest in North American and Europe that attacks several fruit crops. A lure for catching and monitoring in D. […]

A Spoonful of Sugar Helps Insecticide Go Down

The spotted wing drosophila (SWD) is a small fly that was first discovered in the western U.S. in 2008. Since then it has colonized many fruit-growing areas in North America and has caused major problems for growers of cherries, berries, grapes, and tree fruits. To manage the SWD, an insecticide called spinosad “is effective and […]