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Capsid bug

Lygocoris pabulinus

Mirid bug

A true bug which sucks sap from plants. Maybe be found active on the plant or distorted leaves/flowers will indicate activity of the Capsid bug. Can affect ornamental, fruit and vegetable plants.

Detection

Appearance
Adults vary in colour from green to red/ brown, around 6mm in length, winged and have a long, slender feeding tube. The wings are folded flat over the body when at rest, so the colourless part of the wings shows as a defined diamond-shaped area at the tip. Young Capsid bugs are known as nymphs, they are similar in shape and paler green colour to the adult, but are smaller and wingless. Eggs are laid into cracks in tree bark, woody stems, and at the base of hedges. They hatch in late spring. Depending on species, over-wintering takes place as eggs or as adults in plant debris.
Symptoms
Active late spring to autumn. Capsid bugs feed on plant sap at the shoot tips or flower buds. They insert their mouth piece into the plant material, on doing so release toxic saliva and so cause deformation of plant material as it develops. Young leaves develop distorted in shape, possibly with small brown edged holes, that may die off completely. Flower buds may develop distorted and the flower maybe lopsided or may fail.
Activity
Diurnal

Personality

Order
Hemiptera
Family
Mirinae
Metamorphosis
Incomplete
Distribution
Europe

Biological treatment

Most plants can cope with Capsid bug attack, but it may look unsightly. Affected leaves can be removed with care and disposed of safely. Removal of plant debris in autumn, winter months and dispose of safely. Will remove over-wintering sites for some Capsid bugs. Growing young vegetable plants under fine insect resistant mess may give some protection.

Chemical treatment

Check availability with local garden centre.

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