Tetranychus urticae

Common name: Two-spotted spider mite


The adult is 0,5-0,6mm long, pale yellowish or greenish with two dark patches on the body. They become active in March and they lay their eggs on the underside of the leaves. Immature stages are light green with darker markings. It has many overlapping generations annually, and the colonies are protected by strands of fine webbing


Leaves: Pale spots on leaves, distinct speckling, silvering or bronzing of the foliage, and sometimes withering and premature leaf fall. Presence of silken webbing

Fruits: Reduction of fruit size and quality

Hosts: greenhouse crops (such as tomato, cucumber, pepper), grapevines, fruit trees (such as apple tree, pear tree), ornamental plant etc.

Kingdom Animalia
Class Arachnida
Order Trombidiformes
Family Tetranychidae
Genus Tetranychus
Species urticae

Alford D. V. (2014). Pests of Fruit Crops. A Colour Handbook, CRC Press, 2nd Edition