Spider mites affect many crops worldwide. There are more than 1200 species of spider mite, of which more than a hundred can be seen as a pest and about ten of them as a serious...

The two types of whitefly that affect many crops are the Bemisia tabaci or the tobacco whitefly and the Trialeurodes vaporariorum or the greenhouse whitefly. The main morphological difference by which these insects can be distinguished from each other...

Thrips are recognizable by their small size and their long, flat shape. The adult thrips have four feathered wings. They can vary in color, from gray to yellow or brown. Thrips are carriers of viruses,...

Aphids are no longer than about 4 mm, have a bulbous abdomen and come in many different colours. They are among the most destructive pests affecting cultivated plants in temperate regions. Winged aphids are especially...

Botrytis cinerea (also known as gray mold or fruit rot) attacks weak plants or dying flowers. In fact, it helps nature with the recycling process of the plants by breaking them down and making the nutrients...

Mildew is also known as "downy mildew". As the disease spreads, the leaves curl up, die, and eventually fall off. The parts of the mycelium that contain the spores of the fungus emerge through the...

The adult fungus gnat is a small black fly about 3 to 4 mm in length. They are often found in swarms in greenhouses, as they are attracted to humidity, high temperatures and decomposing organic...