Pest
Cabbage Stem Flea Beetle
Psylliodes chrysocephalaThe cabbage stem flea beetle, Psylliodes chrysocephala, is a specialist brassica pest best known for damaging winter oilseed rape in Europe and parts of…
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Plant problem library
Detailed profiles of common plant diseases, pests, nutrient deficiencies and environmental problems.
Pest
Obscure mealybug
Pseudococcus viburniObscure mealybug (Pseudococcus viburni) is a sap-feeding insect pest of grapevines, fruit trees, greenhouse crops and ornamentals. Colonies hide in leaf axils, beneath bark,…
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Pest
Long-tailed mealybug
Pseudococcus longispinusThe long-tailed mealybug, Pseudococcus longispinus, is a sap-feeding insect pest of greenhouse, houseplant, nursery, orchard and warm-climate landscape plants. Colonies hide in leaf axils,…
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Pest
Root-lesion nematode
Pratylenchus penetrans (Cobb) Filipjev & Schuurmans StekhovenThe root-lesion nematode, Pratylenchus penetrans, is a microscopic soil pest that penetrates living roots and migrates through the cortex, producing reddish-brown lesions and a…
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Pest
Japanese beetle
Popillia japonicaThe Japanese beetle, Popillia japonica, is an invasive scarab beetle that damages ornamental plants, fruit crops, vegetables, and turf in many parts of the…
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Pest
Broad mite
Polyphagotarsonemus latus (Banks)Broad mite, Polyphagotarsonemus latus, is a minute tarsonemid mite that attacks tender growing points, young leaves, flower buds and small fruit. Its toxic saliva…
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Pest
Diamondback Moth
Plutella xylostellaThe diamondback moth, Plutella xylostella, is a small, highly mobile moth whose caterpillars damage cabbage-family crops by scraping, mining and chewing leaves. Young larvae…
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Pest
Citrus mealybug
Planococcus citriCitrus mealybug, Planococcus citri, is a sap-feeding pest of citrus, greenhouse crops, houseplants, ornamentals, fruits and vegetables. Colonies hide in leaf axils, branch crotches,…
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Pest
Six-toothed spruce bark beetle
Pityogenes chalcographus (Linnaeus)The six-toothed spruce bark beetle, Pityogenes chalcographus, is a tiny bark beetle associated mainly with Norway spruce and other conifers. It usually colonizes wind-damaged,…
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Pest
Imported cabbageworm
Pieris rapaeImported cabbageworm is the green caterpillar of the cabbage white butterfly, Pieris rapae, and one of the most common chewing pests of cole crops…
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Pest
Large White Butterfly
Pieris brassicaeThe large white butterfly, Pieris brassicae, is a destructive caterpillar pest of cabbage-family crops rather than a plant disease. Its gregarious, yellow-striped larvae chew…
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Pest
Ciklámenatka
Phytonemus pallidus (Banks)A ciklámenatka (Phytonemus pallidus) szabad szemmel gyakorlatilag láthatatlan, mégis súlyos torzulást okozhat a szamóca koronájában, valamint ciklámenen, afrikai ibolyán és más üvegházi dísznövényeken. A…
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