thousands of years, before European colonists introduced the tree to North America. The deciduous apple tree belongs to the rose family and is now cultivated
widespread throughout Europe and also present in the Russian Far East and North America. Damage symptoms Blackcurrant aphids produce large amounts of sticky honeydew
It is widespread in Europe and also occurs in Africa, North and South America, and Asia and can cause severe damage to both shoots and fruits. Damage
which is originally from Asia, has spread extensively in North and South America and Europe where it has caused severe yield losses in many berry crops,
early autumn but their eggs do not develop. Contrary to the situation in America, South Africa, and Australia, woolly aphid does not infest roots in Europe
annually. These crops are distributed to markets in Asia, Europe, North America, and domestically. The large production scale, high water demand, and pest
and is a key pest of tobacco crops in both the United States and South America. The tobacco aphid ( Myzus persicae subsp. nicotianae ) is also encountered
American serpentine leaf miner ( Liriomyza trifolii ) originates from North America, but occurs also in Europe since about 1976. The American serpentine leaf
Trialeurodes vaporariorum ) originally comes from tropical and subtropical America, probably Brazil or Mexico. Hundreds of plant species from different families
of vegetable and ornamental crops. It originates from South and Middle America and has subsequently spread via plant material. It is now wide-spread across