Spotted wing Drosophila (SWD) is a vinegar or fruit fly of East Asian origin. It has been in Hawaii since the 1980s, but was first discovered in California in 2008. By 2010, it had made its way into Florida, Utah, the ...

Increased global trade facilitates the movement of invasive pests like the false codling moth. Native to sub-Saharan Africa, false codling moth can be transported to the U.S. via cargo and passenger luggage—the transport ...

A relatively new exotic pest in North America, cherry bark tortrix was found in British Columbia in 1989, in Washington in 1991, spread to Oregon, and has now established itself as a pest of ornamental cherries in the ...

The organism responsible for this disease of apples, stone fruits, and other perennial fruit trees is a phytoplasma: a very small bacterium lacking a cell wall and enclosed in a single membrane. Inhabiting primarily the ...

Asiatic brown rot, caused by the fungus Monilia polystroma, is native to Japan. Unlike our native brown rot which infects primarily stone fruit, Asiatic brown rot readily infects apple and pear. Asiatic brown rot has been ...