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Capsid bug | How to control?

The capsid bug or Liocoris tripustulatus is found on common stinging nettles but also on a large number of different ornamental plants. In horticulture they are mostly found in the tops of plants of both ornamentals and in fruiting vegetables.
Capsid bug
Jan-Paul de Wit
Product specialist Crop Protection | April 25, 2023 | 2 min. reading time

Identification of capsid bugs

The identification of capsid bugs is simple due to their easily recognized appearance. For example, this bug has a dark-colored shield that has a remarkable heart or triangle shape on it. The color of this marking can vary from yellow-white to orange. The wing tips have a small circle that is the same color as the heart or triangle. A brown-colored band is also often seen across the middle of the body. Furthermore, the legs of the capsid bug are covered in spots.

Life cycle

The capsid bug passes through a total of seven stages from egg to adult insect and only one generation develops per year. In the months of May and June, the females lay their eggs. When the eggs hatch, the nymphs (unlike an adult insect) are green in color. From June to August, the nymphs are very active, after which they grow into adult insects. They hibernate between hollow plant stalks, fallen leaves and other sheltering places.

Damage symptoms

The capsid bug specifically causes damage in the tops of plants. The insect pierces growth points and flower- and leaf buds to feed itself on plant sap, resulting in dehydrated buds. If flower buds are not yet visible, the capsid bug pierces the stem, after which the flower does not develop any further.

Capsid bug control

To keep the capsid bug out of greenhouses, you can use insect netting over the air vents. If you have already noted the presence of capsid bugs in the crop, it is advisable to fight this pest as soon as possible. You can do this by using natural enemies such as predatory assassin bugs. A chemical alternative is Sivanto Prime.
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Capsid bug | How to control?

The capsid bug or Liocoris tripustulatus is found on common stinging nettles but also on a large number of different ornamental plants. In horticulture they are mostly found in the tops of plants of both ornamentals and in fruiting vegetables.
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Jan-Paul de Wit
Jan-Paul de Wit
Product specialist Crop Protection | April 25, 2023 | 2 min. reading time
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Capsid bug

Identification of capsid bugs

The identification of capsid bugs is simple due to their easily recognized appearance. For example, this bug has a dark-colored shield that has a remarkable heart or triangle shape on it. The color of this marking can vary from yellow-white to orange. The wing tips have a small circle that is the same color as the heart or triangle. A brown-colored band is also often seen across the middle of the body. Furthermore, the legs of the capsid bug are covered in spots.

Life cycle

The capsid bug passes through a total of seven stages from egg to adult insect and only one generation develops per year. In the months of May and June, the females lay their eggs. When the eggs hatch, the nymphs (unlike an adult insect) are green in color. From June to August, the nymphs are very active, after which they grow into adult insects. They hibernate between hollow plant stalks, fallen leaves and other sheltering places.

Damage symptoms

The capsid bug specifically causes damage in the tops of plants. The insect pierces growth points and flower- and leaf buds to feed itself on plant sap, resulting in dehydrated buds. If flower buds are not yet visible, the capsid bug pierces the stem, after which the flower does not develop any further.

Capsid bug control

To keep the capsid bug out of greenhouses, you can use insect netting over the air vents. If you have already noted the presence of capsid bugs in the crop, it is advisable to fight this pest as soon as possible. You can do this by using natural enemies such as predatory assassin bugs. A chemical alternative is Sivanto Prime.
Related products
Contact form
Can't find your answer? Fill out the contact form and our specialist Jan-Paul de Wit will get back to you. On weekdays, even within 24 hours.
Jan-Paul de Wit
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