Hello. From the attached photos, the plant shows signs of an aphid attack. Against them it is recommended to carry out 2 treatments, 7 days apart, alternating insecticides such as: , in a dose of 5 ml/10 L water and , in a dose of 1.5 g/10 L water. To increase the effectiveness of the insecticides, it is advisable to add an adjuvant such as , in a dose of 2 ml/10 L to the spraying solution. It is important to prepare a volume of solution corresponding to a single treatment, respecting the mentioned dosage, because the already prepared mixture does not have a shelf life longer than 24 hours. Spray the solution as finely and evenly as possible on the plants, insisting on the areas where the aphids are present. At the same time as the treatments are carried out, to ensure that the plants get the nutrients they need and also to revitalize them, it is advisable to apply a fertilizer such as , through watering, according to the instructions on the label. Additionally, in the future, in order to detect the presence of pests (aphids, flies, etc.) in time and to be able to apply a treatment from the early stage of the attack, it is recommended to use an adhesive trap such as . The pest insects are attracted by the colour of the paper and stick to the special adhesive. For more details on the care of this species you can also consult this article in the Armuro Community: Shoeblackplant, plant care and growing guide.