Tuta absoluta

Tuta absoluta is a species of moth in the family Gelechiidae. It is commonly known as the South American tomato moth or tomato leafminer, and is a significant pest of tomato crops worldwide.

Description

The adult Tuta absoluta is a small moth with a wingspan of 6-7mm. The forewings are gray-brown with black spots, while the hindwings are fringed and lighter in color. The larvae are green or yellowish and up to 10mm long.

Distribution

Originally from South America, Tuta absoluta has spread to other parts of the world, including Europe, Africa, and Asia. It was first reported in Spain in 2006 and has since become a significant pest in the Mediterranean region.

Life cycle

The life cycle of Tuta absoluta includes four stages: egg, larva, pupa, and adult. The female moth lays her eggs on the leaves of the tomato plant, and the larvae feed on the plant tissue, creating mines in the leaves, stems, and fruits.

Impact on tomato crops

Tuta absoluta is a major pest of tomato crops. The larvae feed on all parts of the plant, causing significant damage and yield loss. In severe infestations, the pest can cause up to 100% crop loss.

Control

Control of Tuta absoluta involves a combination of methods, including the use of insecticides, biological control agents such as parasitoids and predators, and Integrated Pest Management strategies.

See also

• List of pests and diseases of roses
• List of Lepidoptera that feed on tomatoes