Woolly Apple Aphid

dc.contributor.author	A. Seaman, A.
dc.contributor.author	Riedl, H.
dc.date.accessioned	2016-03-21T20:26:27Z
dc.date.accessioned	2018-09-06T17:09:09Z
dc.date.available	2016-03-21T20:26:27Z
dc.date.available	2018-09-06T17:09:09Z
dc.date.issued	1988
dc.description	NYS IPM Type: Fruits IPM Fact Sheet
dc.description.abstract	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 these hosts is asexual (parthenogenetic). Sexual reproduction has been thought to occur only when elm grows in close proximity to the other host plants. The portion of the life cycle occurring on elm has become more doubtful and less important than in the past, since most elms have disappeared from Eastern forests because of Dutch Elm Disease. The WAA tends to be a sporadic pest in orchards in the northeastern United States, occurring in noticeably high numbers only every few years.
dc.identifier.citation	retrieved from: http://nysipm.cornell.edu/factsheets/treefruit/pests/waa/waa.pdf
dc.identifier.uri	https://hdl.handle.net/1813/43136
dc.language.iso	en_US
dc.publisher	New York State IPM Program
dc.subject	Agricultural IPM
dc.subject	Fruits
dc.subject	Tree Fruit
dc.subject	Apples
dc.subject	Pears
dc.subject	Quince
dc.title	Woolly Apple Aphid
dc.type	fact sheet

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