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Hemigrapsus takanoi
Hemigrapsus takanoi is a small crab native to the rocky coasts of northwest Pacific regions (Asakura and Watanabe, 2005). H....
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Limnoria lignorum (gribble)
Limnoria lignorum (Rathke, 1799) is a wood-boring isopod (Crustacea) yellowish in colour and up to 5.6 mm in length. The species is...
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Vespa velutina (Asian black hornet)
The hornets (Vespa and Provespa) are a group of well known, conspicuous hymenopterans which are found...
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Phenacoccus solenopsis (cotton mealybug)
This mealybug species has the ability to increase rapidly in population size and spread to cover vast areas where host plants occur, in a...
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Arthurdendyus triangulatus (New Zealand flatworm)
A. triangulatus is a free-living terrestrial flatworm. Native to New Zealand, it was found outside its natural habitat in Belfast,...
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Candidula intersecta (wrinkled dune snail)
C. intersecta can be invasive in its countries of origin and is considered an agricultural pest in Europe where it can feed on...
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Diabrotica virgifera virgifera (western corn rootworm)
D. virgifera virgifera is thought to originate from Central America (Krysan and Smith, 1987). In the twentieth century, Diabrotica v. virgifera...
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Dryocosmus kuriphilus (Oriental chestnut gall wasp)
By attacking the vegetative buds and forming a gall, D. kuriphilus disrupts twig growth and reduces fruiting. Commercial growers may expect yield...
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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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Paracoccus marginatus (papaya mealybug)
Colonies of P. marginatus excrete honeydew, which coats nearby plant surfaces. Fouling of plant leaves by honeydew and sooty mould blocks out...
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