Tarnished Plant Bug
The tarnished plant bug is found throughout North America, but it is primarily a pest in temperate nondesert areas. It feeds on more than fifty economically important plants, including alfalfa, cotton, strawberries, brambles, and most tree fruits ... [... more]
NY State IPM |
Pear Psylla
The pear psylla, (pronounced sil-la), is the primary pear pest in North America. It was accidentally introduced into Connecticut in about 1832 and remained an Eastern pest until it was found in the Spokane Valley of Washington State in 1939. The ... [... more]
NY State IPM |
Plum Curculio
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 100th meridian. The PC has a single generation in most areas but may have a partial second generation in the ... [... more]
NY State IPM |
San Jose scale
The San Jose scale (SJS) is a pest of tree fruit. Trees attacked include apple, peach, and pear. Originating in the Orient, it was introduced into California's San Jose Valley on infested plant stock in 1870. The SJS has since spread throughout ... [... more]
NY State IPM |
Sooty Blotch and Flyspeck
Wayne F. WilcoxDepartment of Plant Pathology, NYS Agricultural Experiment Station, Cornell University Sooty blotch and fly speck are the two most common "summer diseases" of apples in the Northeast; they are also problems on pears. Although ... [... more]
NY State IPM |
American Plum Borer
The American plum borer (APB) is a cambium-feeding moth pest of fruit and ornamental trees. It is unusual because it belongs to the pyralid, rather than the sesiid (clearwing) family, which is more commonly associated with this kind of damage. It ... [... more]
NY State IPM |
Woolly Apple Aphid
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. Its reproduction on ... [... more]
NY State IPM |
Spotted Tentiform Leafminer
Spotted tentiform 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 species, P. ... [... more]
NY State IPM |
Why is Typhlodromus pyri such an effective predator?
See also the Insert for IPM Pub. 215: Supplemental information on monitoring European red mite, and relative toxicity of pesticides to the mite predator, Typhlodromus pyri. European red mites (ERM), Panonychus ulmi, feed on leaves of apple trees ... [... more]
NY State IPM |
Black Knot of Plums
Black knot is a common and often serious disease of plum and prune trees in New York. Once established, the disease becomes progressively more severe each year unless control measures are taken. Infected limbs and twigs lose vigor and may ... [... more]
NY State IPM |
Phytophagous Mirid Bugs
Mullein plant bug (MPB) and apple brown bug (ABB) are occasional pests of apple and pear in New York. Because they occur in the same place at the same time and cause the same kind of damage, they are collectively referred to here as "mirid bugs" [... more]
NY State IPM |
Phytophthora Root and Crown Rots
Department of Plant Pathology, NYS Agricultural Experiment Station, Cornell University Phytophthora root and crown rots (sometimes called collar rot) are common and destructive diseases of fruit trees throughout the world. In New York, apple, ... [... more]
NY State IPM |
