Rose-dogrose aphid

Taxonomic position: Myzaphis bucktoni belongs to the order Hemiptera, family Aphididae. This specialized species of phytophagous insects occupies a narrow ecological niche, adapted primarily for development on plants of the genus Rosa (wild and cultivated roses).

Host plants: The primary host of this species is the dogrose (Rosa canina and related species). The pest is rarely found on other crops, making it a highly specialized parasite of Rosaceae. Mass outbreaks of this aphid are most frequently observed in specialized nurseries where rootstocks or ornamental rose varieties are propagated.

Biology and life cycle: The life cycle of Myzaphis bucktoni is closely tied to the phenology of the rose plant. The pest overwinters as eggs on the branches of the host plant. In spring, after bud break, stem mothers hatch. Throughout the season, several generations develop, including both apterous (wingless) and alate (winged) forms, which allows the species to spread rapidly throughout the bush and to neighboring plants.

Damage patterns: The aphids colonize mainly the underside of leaves, young shoots, and peduncles. By feeding on plant sap, the insects cause deformation and curling of the leaves. High populations of the pest lead to stunted shoot growth, premature yellowing, and leaf drop, which is particularly detrimental to young nursery saplings.

Protection measures: Controlling the population density requires an integrated pest management approach. Recommended actions include:

• Application of early spring insecticides before the flowering stage.
• Utilization of biological preparations based on entomophages or biopesticides.
• Regular monitoring of plant condition from spring through mid-summer.
• Removal of heavily infested shoots and adherence to proper agrotechnical practices to improve plant resilience.