How did the spotted wing drosophila get to America?

How did the spotted wing drosophila get to America?

Spotted-wing drosophila (Drosophila suzukii), is an invasive fruit fly species that causes about $500 million in economic damage to fruit crops in the U.S. each year. A native to southeast Asia, it arrived in the U.S. in Hawaii in the 1980s and in the continental U.S. in California in 2008.

Where did the spotted wing drosophila originate?

Origin. Spotted wing drosophila are native to Southeast Asia.

Are Drosophila safe to eat?

Although not harmful to eat, raspberries, blackberries, and other soft fruit with spotted wing drosophila larvae inside are not marketable for commercial fruit growers.

How do I get rid of SWD?

After harvest, cool fruit as soon as possible to maintain quality. Cooling the fruit to 35°F for three days has been shown to kill SWD larvae. If fruit is sold directly to consumers, advise them to keep it in the refrigerator. Freezing the fruit will kill eggs and larvae of SWD.

How do you get rid of spotted-wing drosophila in raspberries?

Research is being conducted in multiple states on blueberries, blackberries, and raspberries with three major pruning treatments: a grower standard prune, a light prune with approximately 25% more canopy coverage, and a heavy prune with approximately 25% less canopy coverage.

What does spotted-wing drosophila eat?

In particular, SWD will feed on thin-skinned, soft fruits such as raspberries, blackberries, blueberries, strawberries, grapes, plums and cherries. They do not attack healthy apples, pears or cherry tomatoes. However, if these fruits become damaged, they can successfully infest them.

What is the spotted wing drosophila?

The Spotted Wing Drosophila (SWD) is a vinegar fly of East Asian origin that can cause damage to many fruit crops. 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.

Can ganaspis brasiliensis be used to control spotted-wing drosophila?

APHIS has prepared an environmental assessment for permitting the release of the insect Ganaspis brasiliensis for the biological control of spotted-wing Drosophila ( Drosophila suzukii) in the continental United States.

Where does Drosophila suzukii come from?

First detected within the continental United States in August 2008, Drosophila suzukii has become a serious threat to fruit crops. Drosophila suzukii is native to southeast Asia and is widely distributed in China, India, Korea, Myanmar, Russia and Thailand (Toda 1987, Oku 2003, Hauser et al. 2009).

What is a Drosophila fly?

Figure 1. Adult male spotted-wing drosophila, Drosophilia suzukii (Matsumura). Photograph by Martin Hauser, California Department of Food and Agriculture. The vast majority of Drosophila flies are associated with rotten or over-ripened fruits and are nuisance pests.

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