Iberoformica subrufa

Systematic position: Iberoformica subrufa belongs to the order Hymenoptera, family Formicidae. It is a specific species of ant primarily found in Southwestern Europe, known for its behavioral interactions with other garden insects.

Crops damaged: This species is commonly associated with various fruit trees, shrubs, and ornamental plants. While they do not directly consume plant tissues as their primary food source, their presence is closely linked to agricultural damage in orchards and gardens.

Biology and lifecycle: The insect follows a complete metamorphic cycle including egg, larva, pupa, and adult stages. They nest primarily in the soil, often choosing locations near the roots of plants or under structures. Their activity peaks during warmer months, which coincides with the growing season of many agricultural crops.

Nature of damage and pest status: The primary harm is indirect, caused by the symbiotic relationship between these ants and aphids. The ants protect aphid populations from predators, allowing the aphids to thrive and cause severe damage to plant foliage, ultimately leading to stunted growth and reduced harvest quality.

Control measures: Integrated Pest Management (IPM) is essential for effective control:

• application of physical barriers and sticky traps on tree trunks;
• use of targeted ant baits that are safe for the surrounding environment;
• direct management of aphid populations to eliminate the food source for ants;
• regular soil monitoring and maintenance to disrupt nest structures.