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Acrolepiopsis assectella (leek moth)
Cultivated Allium plants, particularly leek and onion, from the south of Norway and Sweden to Italy, Spain and Algeria, are frequently attacked by...
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Acroptilon repens (Russian knapweed)
Russian knapweed can be a serious crop pest in its native range and elsewhere. It forms large monotypic stands that reduce diversity and degrade...
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Aculops fuchsiae (Fuchsia gall mite)
A. fuchsiae, the fuchsia gall mite, is native to South America. It was first found in California, USA in 1981 where it has spread...
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Aculops lycopersici (tomato russet mite)
A. lycopersici may cause serious reductions in yield in tomato crops, especially when young plants are exposed to attack. Losses of up to 65% have...
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Adelges piceae (balsam woolly adelgid)
A. piceae was introduced from Europe into North America (Maine, first report: 1908) before or around 1900 with imported nursery stock. In the first...
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Adelges tsugae (hemlock woolly adelgid)
The hemlock woolly adelgid (Adelges tsugae) is a small, aphid-like insect that has become a serious pest of...
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Adenanthera pavonina (red-bead tree)
Binngeli 1999 classed A. pavonina as a moderately invasive woody weed. In the USA, A. pavonina is listed as a Category II invasive species in the...
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Adiantum raddianum (delta maidenhair fern)
A. raddianum is a delicate fern native to tropical and subtropical South America. The fern grows terrestrially or on rocks and...
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Aecidium glycines
There is little published information on this plant pathogenic fungus, which has limited geographic distribution. As hosts exist in other...
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Aedes albopictus (Asian tiger mosquito)
The Asian tiger mosquito is spread via the international tyre trade (due to the rainwater retained in the tyres when stored...
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