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 ...

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 ...

Spotted wing drosophila (SWD) is a vinegar or fruit fly of East Asian origin. Introduced into Hawaii in the 1980s, first discovered in California in 2008, by 2011 it had found its way into New York State (NY). Today, its ...

Variegated golden tortrix is a leafroller native to Europe and Asia. Also known as apple leafroller or brown oak tortrix, variegated golden tortrix is able to feed on the buds, foliage, flowers, and fruit of many plants. ...

Originally from Australia, the light brown apple moth can now be found in New Zealand, New Caledonia, Hawaii, the British Isles, and most recently, California. The light brown apple moth is a greater threat than many other ...

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 ...