Beetles

Life cycle of beetles Beetle damage Both larvae and adults of beetles can cause damage to crops. The larvae of some species feed on growing tips and roots [...] bore into stems, but in other species also feed on leaves. Adult beetles cause damage by feeding on fruits, flower buds and leaves depending on the species

Western flower thrips

Damage symptoms Thrips cause damage to plants by piercing the cells of the surface tissues and sucking out their contents, causing the surrounding tissue [...] cucumber crops. In many ornamental crops, even very low numbers of thrips can cause damage by transmitting viruses, or by reducing aesthetic value by damaging

Onion thrips

Damage symptoms Thrips cause damage to plants by piercing the cells of the surface tissues and sucking out their contents, causing the surrounding tissue

Impatiens thrips

Damage symptoms Thrips cause damage to plants by piercing the cells of the surface tissues and sucking out their contents, causing the surrounding tissue

Obscure mealybug

often located on the horizontal part of the stalk. These mealybugs can also cause damage in ornamental crops such as passiflora, pelargonium, and orchids. [...] Nymphs and females extract the sap from the plant, stunting growth and causing deformation and / or yellowing of leaves, sometimes followed by defoliation [...] to render the product unfit for sale. A very small population can thus cause considerable economic damage. Life cycle and appearance of Obscure mealybug

Plant Disease Management

which are microorganisms that cause diseases in plants. The primary goal of biological control is to reduce the damage caused by these pathogens while minimizing [...] our food production systems. Understanding plant diseases Plant diseases, caused by various pathogens such as fungi, bacteria, and viruses, can wreak havoc

Tobacco whitefly

and has affected an extremely wide range of crops throughout the world. It causes damage in (sub-)tropical areas especially. The tobacco whitefly ( Bemisia [...] with larger larvae expelling large quantities. The damage that whiteflies cause to a crop is the result of sucking out the sap from the plant leaves and [...] alter their normal physiological processes. In some host plants, this can cause damage, including irregular ripening in tomatoes and sweet peppers, yellowing

Citrus mealybug

horticulture, and in the tropics and sub-tropics on outdoor crops. The insect causes damage especially in fruit trees and ornamental crops, particularly in pot [...] Nymphs and females extract the sap from the plant, stunting growth and causing deformation and / or yellowing of leaves, sometimes followed by defoliation [...] to render the product unfit for sale. A very small population can thus cause considerable economic damage. Life cycle and appearance of Citrus mealybug

Aphids

Aphids are among the most harmful pests in greenhouse and field crops, causing plant stress, virus transmission and yield loss. Effective aphid control [...] all belong to the family Aphididae, a family containing many species that cause damage in cultivated crops. The most significant aphids that occur in greenhouses [...] may also be found on stems, buds, flowers and fruit. Damage: Aphids can cause damage to leaves, stems, and flowers by piercing the plant tissue and sucking

Bugs

The most obvious damage is the deformation of growing points. They also cause tissue damage and deformed growth as a result of toxic substances that they