Info by: #Elizabeth #H
and #Stanley #C
The European red mite, as the name implies, was originally brought to the United States from Europe, where it is widely distributed and has been a prominent pest for many decades. In the United States, it was first recorded in Oregon in 1911 and has since become common throughout the United States and Canada. European red mite has a long history of developing resistance to miticides. As a result, there has been much work on biological control, with many instances of success. Outbreaks of European red mite do not usually occur in unsprayed habitats. Only release from biological control agents (through the use of pesticides) allows this pest to build to the levels seen in commercial orchards.
Although McDaniel spider mite was the outbreak mite species during the 1960s, European red mite has become the most common mite pest of apple in recent years. Twospotted spider mite is generally the most typical species on pear, but European red mite has been noted more frequently on this crop, also.
European red mite is a pest of many crops and ornamentals. Of the tree fruits, it is most commonly a problem on apple, pear, plum, prune and cherry, although mite problems on pear are more likely to be twospotted or McDaniel spider mite. Other hosts include peach, almond, grape, raspberry, currants, gooseberry, rose, black locust, elm, hawthorn, privet, lilac, chestnut, and alder buckthorn (Frangula). Although it will attack all apple varieties, it tends to build up higher populations on Red Delicious and Rome. Golden Delicious trees rarely support as high a population as do Red Delicious trees in the same orchard. Other cultivars reported as less susceptible to attack are McIntosh and Winesap. Pear cultivars also vary in their susceptibility to mite feeding.