Diamond back moth

can disperse, on average, only 13 to 35 m within a crop field, however, they are readily carried by the wind and as such can disperse 400 to 500 km per night [...] xylostella) are covered with a white, loose, silken cocoon, usually formed on the lower or outer leaves. They often stick to leaves and frequently hide in [...] suggested to have its origin in Europe, South Africa or East Asia, but is now present wherever its cruciferous hosts exist and it is considered to be the

Click beetles

yellowish brown to black. The eggs are laid in May or June in groups in the soil. They hatch about one month later and the larvae start to feed on roots. The [...] skinned. They are up to 25 mm long and usually shiny yellowish brown or light brown with a darker head. Larval development takes 4 to 5 years. When fully [...] beetles are elongate beetles with a hard exoskeleton, with the head deeply retracted into the thorax. When disturbed they lie on their back feigning death and

Phytoseiulus persimilis

development stages only feed on smaller prey stages. The larvae do not eat. They develop quickly to protonymph and then start to feed on spider mites. The quantity [...] cap to open the dosage hole Sprinkle material on leaves or pour into Diboxes Make sure the material remains on the introduction site for at least a few [...] resting period in the larval and nymphal stages. On plants, the oval eggs are usually deposited close to, or in a spider mite colony. They are approximately

Woolly apple aphid

apple aphid In contrast to other aphids , the life cycle and survival from year to year of the woolly aphid depends entirely on wingless, parthenogenetic [...] Eriosoma lanigerum , is a serious worldwide apple pest. It is probably of North American origin and has been distributed to other parts of the world mainly [...] occasionally also be found in pear, quince and a few other woody Rosaceae. Damage symptoms Galls are often produced on infested wood. These galls may seriously

Western flower thrips

occidentalis) can be found on a wide variety of plants, including many vegetable and ornamental crops in greenhouses, and on various weeds. It is an especially [...] into the plant tissue with a saw-like ovipositor. Larvae are nearly transparent white or yellowish to orange-yellow, with a large head and bright red eyes [...] and many ornamental crops. Western Flower Thrips Frankliniella occidentalis on a leaf Life cycle and appearance of Western flower thrips The western flower

Potato aphid

the world. It is a highly polyphagous species with a preference for Solanaceae (particularly potato), but has also been identified on more than 200 plant [...] Plant sap is rich in sugars, but has a low protein content. Aphids therefore need to extract large quantities of sap to get sufficient protein. The excess [...] and disturb the balance of growth hormones. As a result, the plant’s growth is retarded giving rise to deformed leaves or, if the infestation occurs early

Tobacco aphid

never glossy. Winged individuals have a brown-black head and thorax and a reddish abdomen. There is a dark brown spot on the abdomen and several transverse [...] Plant sap is rich in sugars, but has a low protein content. Aphids therefore need to extract large quantities of sap to get sufficient protein. The excess [...] The tobacco aphid tends to form denser colonies, closer to the top of the plant, than the peach potato aphid . It is not known to what extent tobacco aphids

Biological Pest Control

or parasitoids, to control invasive pest species. This method is typically used when a new pest species poses a significant threat to agriculture or ecosystems [...] referred to as biocontrol, is a method of managing pests using natural predators, parasitoids, or pathogens. This approach partners with nature to maintain [...] biological control focuses on enhancing the presence of natural enemies and beneficial organisms in the environment to maintain a balance between pests and

Tomato leaf miner

ground to pupate. A small percentage of the larvae remain hanging on the leaf and pupate there, sometimes on the upper surface but more commonly on the underside [...] larva, that emerges from its tunnel just prior to pupating, is known as a prepupa. This stage lasts only a few hours. [...] miners cause damage to plants both directly and indirectly. The most direct damage is caused by the larvae mining the leaf tissue, leading to desiccation, premature

Predatory insects

, they actively hunt and feed on various harmful pests, helping to maintain a balanced ecosystem. Predatory bugs play a vital role in controlling whitefly [...] have a unique and interesting life cycle that contributes to their effectiveness as biological control agents. Female gall midges lay their eggs on plant [...] referred to as "aphid lions," are particularly effective in controlling aphids . They use their strong jaws to grasp and consume aphids at a high rate