pajzstetfélék

Pajzstetvék refers to a family of scale insects, scientifically known as Diaspididae. These small, immobile pests are found worldwide, infesting a wide variety of plants, including fruit trees, ornamental shrubs, and houseplants. Their common name, "pajzstetvék," translates to "shield lice" in English, a fitting description for their protective, waxy covering which resembles a small shield.

These insects are characterized by their sedentary nature as adults, with females typically remaining attached to a host plant throughout their life cycle. The protective covering, or scale, is secreted by the insect and can vary in shape, color, and texture depending on the species and host plant. This scale serves to protect them from predators, environmental conditions, and pesticide applications.

Pajzstetvék feed by piercing plant tissues with their stylets to extract sap. Heavy infestations can lead to significant damage, including leaf discoloration, stunted growth, reduced fruit production, and even plant death. Their feeding can also weaken plants, making them more susceptible to diseases. Control methods often involve horticultural oils, insecticidal soaps, or systemic insecticides, though the effectiveness can be limited by the protective scale. Identifying the specific species is important for effective management.