Aphids

Biological control of aphids Aphids are among the most harmful pests in greenhouse and field crops, causing plant stress, virus transmission and yield loss. Effective aphid control is essential for ma

Northern Corn Rootworm

General Corn rootworms ( Diabrotica sp.) are a devastating pest of cultivated corn in North America, with losses and management expenditures totaling over 1 billion dollars. In Eastern Canada, the nor

Lesser Mealworm

General The darkling beetle, or lesser mealworm, Alphitobius diaperinus is one of the most abundant insects found on the floor of poultry houses. It has long been known as a common pest worldwide, and

Onion thrips

General The onion thrips (Thrips tabaci) is distributed throughout the world. It is found outdoors on many plants and particularly damaging on onions, leek, and in greenhouses on cucurbits, tomato, sw

Impatiens thrips

General Impatiens thrips (Echinothrips americanus) is an increasing problem in greenhouse cultivation, having spread to many countries within the last 30 years. The thrips have mostly been able to spr

Two-spotted spider mite

What are two-spotted spider mites? Two-spotted spider mite ( Tetranychus urticae ) is a pest of many crops throughout the world. Despite their small size, they are capable of very rapidly doing severe

Cyclamen mite

General The cyclamen mite ( Phytonemus pallidus ) is a harmful strawberry pest as well as a common pest found in cyclamen, gerbera and other ornamentals . Mites belonging to the family of tarsonemids

Broad mite

General The broad mite (Polyphagotarsonemus latus) occurs in the tropics and in greenhouses in temperate regions. The broad mite (Polyphagotarsonemus latus) has a wide range of host plants, especially

European red mite

General As the name implies, the European red mite, Panonychus ulmi , is mainly a pest of fruit trees (apple, pear, plum and cherry). However, it can attack a large scale of other woody plants and is

Citrus mealybug

General The citrus mealybug ( Planococcus citri ) has a world-wide distribution and many and diverse host plants. In temperate regions of the world this mealybug poses a problem in greenhouse horticul