Hello! The insects that can be seen in the attached photos are aphids (Aphids - pest management), but on the leaves the attack of the curled rose sawfly (Allantus cinctus) can also be seen. Against these two pests it is recommended to apply , in a dose of 5 ml / 10 l water, together with an adjuvant such as (which is added to the prepared solution). Dissolve according to the recommendations on the label and apply by foliar spraying as evenly as possible on the plants, both on the underside and on the topside of the leaves (). At the same time as the treatment is carried out, in order to ensure the necessary nutrients and to increase the resistance of the roses to frost and other unfavorable weather conditions during the cold season, it is recommended to use a granular fertilizer such as .
More tips and information can be found in our articles:
Roses, planting guide and care work, Roses, pest and disease control; Rose pruning - specific guide.