The rosy apple aphid (RAA) can be found throughout the apple growing regions of North America. In the spring, the aphids feed on apple leaves and fruits, and in the summer move to alternate hosts, such as narrow-leaved ...

The white apple leafhopper (WALH) is native to and widely distributed throughout the apple growing regions of North America. The WALH has 2 generations a year and overwinters in the egg stage.

The larvae of several Lepidoptera are collectively called green fruitworms because of their general appearance and tendency to damage apple and pear fruit. One species, Orthosia hibisci, which will be referred to as the ...

The dogwood borer (DWB), a native clearwing moth, can be found from southeastern Canada to Florida, and as far west as the Mississippi. The insect has a wide host range including dogwood, pecan, oak, plum, and apple. The ...

The European red mite (ERM) is a European species introduced to North America in the early 1900’s. It rapidly extended its range, and is now established in most deciduous fruit growing areas. It is the most important mite ...

The woolly apple aphid (WAA), reportedly native to North America, occurs in most apple-growing areas of the world. The WAA feeds mainly on apple, but can also be found on pear, quince, mountain ash, hawthorn, and cotoneaster. ...

Spotted lentiform leafminer (STLM) was first used to name P. blancardella but has been ascribed to and describes the injury to apple leaves caused by all five species. P. blancardella, of European origin, and the two native ...

The peachtree borer (PTB), a native insect, is a major pest of stone fruits in the United States and Canada. Prior to the introduction of the peach, it lived on native wild cherries and plums. The majority of PTB have a ...

The plum curculio (PC), a native of North America, is a major pest of pome and stone fruits in the United States and Canada east of the 1 DOth meridian. The PC has a single generation in most areas but may have a partial ...

The obliquebanded leafroller (OBLR) is native to and widely distributed throughout temperate North America. Larvae feed on a wide range of plants; members of the rose family are their preferred hosts. OBLR outbreaks have ...