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
Lepidoptera Caterpillars What are caterpillars? Caterpillars are the larvae of butterflies and moths. Butterflies and moths form the order Lepidoptera, a very large group with more than 150,000 specie
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
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
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
Two-spotted spider mite ( Tetranychus urticae ) and other Tetranychus spp., except Tetranychus evansi . Mode of action Predatory mites multiply in the sachet and disperse into the crop over a period o
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
General The greenhouse whitefly ( Trialeurodes vaporariorum ) is one of the major pests of vegetable and ornamental crops in greenhouses throughout the world. The greenhouse whitefly ( Trialeurodes va
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
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