Spotted wing drosophila fly found in North Dakota

08/12/2013 10:31:00 AM
Vicky Boyd

spotted wing drosphilaBev GerdemanThe spotted wing drosophila fly, a serious pest of fruit, continues to spread, most recently having been found in North Dakota.

The pest was discovered in a cherry fruit sample sent in from the North Dakota State University Carrington Research Extension Center, according to a news release.

The fly already is entrenched in the Pacific Northwest and has been found throughout much of the East.

Unlike most fruit flies that seek out rotting fruit on which to lay eggs, the spotted wing drosophila prefers fruit just reaching maturity in which to oviposit.

The larvae develop in the fruit, feeding on the flesh and rendering it unmarketable.

Monitoring is crucial to determine if the fly is present.

Traps can be built using plastic drink cups and a mixture based on apple cider vinegar.

Spotted wing drosophila is an invasive species in the United States and is native to Asia.

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