Red spider mite

Tetranychus urticae

Two spotted spider mite

Tetranychus urticae is a tiny red insect that is barely visible to the naked eye, measuring 0.4mm long. They are most commonly found in the greenhouse or tropical houses, where temperatures are warmer. They spin very fine webs on and under leaves.
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Traits

Feeds off of the cells in leaves which in turn leaves pale spots on the plant.

Appearance

Tetranychus urticae are extremely small mites that you can barely see. They are a deep red in colour and when squished they leave behind red stains. They measure around 0.4mm in length.

Symptoms

Pale spots or scars can be seen in the leaves on damaged plants where the mites have been feeding off of the cells inside the leaves.

Activity

Diurnal

Personality

Order

Trombidiformes

Family

Tetranychidae

Metamorphosis

Incomplete

Biological treatment

Create a soap spray. Soap sprays are a common, natural way to kill spider mites. Combine two tablespoons of gentle soap, one to two tablespoons of cooking oil, and a gallon of water. Spray plants thoroughly, repeating every four to seven days until spider mites appear gone.

Chemical treatment

Check availability with your local Garden Centre. Spray Bioneem / Biocure.

Attracts this pest

Pears, tomatoes, ornamental cut flowers, cape gooseberries.
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Knowledge and advice

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