Botrytis

General Grey mould ( Botryotinia fuckeliana / Botrytis cinerea ) is a commonly found fungus in many environments. It survives in plant parts like bulbs and crop residues or as sclerotia (drought- and

Damping-off

General Pythium is considered a ‘weak pathogen’, meaning that it can usually only affect plants that are in a sub-optimal condition or suffer from stress, caused for example by too much water, too hig

Phytophthora blight

General Late blight (Phytophthora infestans f.sp. infestans) is also known as Phytophthora blight, tomato blight, early / late blight tomato, potato blight and late / early blight of potato. Damage sy

Beetles

Coleoptera Beetles What are beetles? Beetles belong to the order Coleoptera, a well-known group of insects that are easily recognizable on account of their hard wing covers (elytra). With more than 35

Bugs

What are bugs? Heteropteran bugs form a group in the order Hemiptera , a highly diverse group of insects, containing both harmful and beneficial species. Heteropteran bugs are insects which have flatt

Psyllids

Flies

Diptera Flies What are flies? There are several flies that are pests in agriculture, horticulture and mushroom cultivation. Species that can cause damage or nuisance, are particularly small flies of t

Leaf miners

Diptera Leaf miners What are leaf miners? Leaf miners belong to the order Diptera (the true flies ) and form the family Agromyzidae. This is a family of small flies whose larvae tunnel into the leaves

Mealybugs and scales

Hemiptera Mealybugs and scales What are mealybugs & scales? Mealybugs (family Pseudococcidae), soft scales (family Coccidae) and armoured scales (family Diaspididae) form three important families with

Tobacco whitefly

General The tobacco whitefly ( Bemisia tabaci ) belongs to the family Aleyrodidae , and the sub-family Aleyrodinae . This insect was first identified on tobacco in Greece in 1889, hence the name tabac