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Liriomyza trifolii (American serpentine leafminer) L. trifolii is now a major pest of the Compositae worldwide, in particular chrysanthemums in North America, Colombia, and elsewhere, as well as...
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Peronospora farinosa f.sp. spinaciae (downy mildew) Downy mildew of spinach has been reported as an economically important disease in the USA and Europe since before the nineteenth century (Greville,...
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Phyllotreta cruciferae (crucifer flea beetle) P. cruciferae is one of several pests of oilseed and vegetable crucifers in India (Bakhetia and Labana, 1978). It is a limiting factor in the...
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Aspergillus flavus (Aspergillus ear rot) A. flavus is a member of a group of fungi known as storage fungi which cause deterioration of grain or seeds of all plant species stored at seed...
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Sphaerolecanium prunastri (plum scale) S. prunastri is an important pest of stone fruits, especially plum and peach. It causes damage through direct feeding, by removing fluid and...
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Xanthomonas arboricola pv. corylina (hazelnut blight) In the USA, bacterial canker is considered to be the most serious disease of hazelnut in terms of economic importance. The greatest yield losses...
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Panonychus citri (citrus red mite) P. citri is considered to be an economically important and widespread pest of citrus crops (Jeppson et al., 1975). Peak infestations of this pest...
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Cephalcia lariciphila (european web-spinning larch sawfly) C. lariciphila is only a pest in the part of Europe where Larix is planted outside its natural distribution area. Feeding by the larch sawfly...
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Erysiphe cruciferarum (powdery mildew of crucifers) E. cruciferarum occurs on a wide range of wild and cultivated hosts of the Brassicaceae, including Acachmaena, Alliaria, Alyssum, Arabis,...
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Grapholita molesta (oriental fruit moth) C. molesta is a serious pest of economic importance to commercial orchards of peaches, nectarines and apricots, and can also attack and cause...
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