Camponotus compressus

Camponotus compressus is a species of carpenter ant belonging to the order Hymenoptera and the family Formicidae. Known for its distinct behavior, this species is considered a significant pest in agricultural sectors, particularly in warm climates where it colonizes woody plants. While they do not consume plant tissues as their primary diet, their ecological impact is highly detrimental to crop health.

These ants are commonly found infesting fruit trees, including citrus, mango, and palm species. Their presence is often associated with permanent structures or hollows within the tree trunk. The main agricultural problem arises from their mutualistic relationship with sap-sucking insects like aphids, mealybugs, and scale insects, which they protect from natural predators.

The biology of this species involves a complex caste system with polymorphic workers. The lifecycle progresses through egg, larval, pupal, and adult stages. Colonies are typically established in decayed wood or soil near the roots. These ants are primarily nocturnal, making visual detection during daylight hours challenging for field scouts.

The economic damage caused by Camponotus compressus is multifaceted:

• Increased populations of sap-sucking pests due to ant protection.
• Weakening of trees due to the constant extraction of plant sap by protected pests.
• Transmission of plant diseases and fungal pathogens.
• Structural damage to branches due to nesting activities.

Control strategies for this pest should be focused on disrupting their mutualism with aphids. Physical barriers such as sticky bands around tree trunks are highly effective at preventing access to the canopy. Additionally, the application of systematic insecticides to manage aphid populations will naturally reduce ant activity. In severe infestations, slow-acting toxic baits are recommended to eradicate the entire colony.