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Wood bugs, green, striped or fields !

Wood bugs, also called green bugs, are harmless to man. However, they can cause damage in the gardens and gardens. They have as major drawbacks to return very often to the interiors of the houses and, above all, to feel very bad if one is crushed by unseen.

So if it is easy to put a bug out by simply taking it on a sheet of paper and taking good care not to crush it, it becomes more difficult if a colony has invaded a window frame or a house facade exposed to the sun. impossible to crush them at the price of seeing their smell persist for a long time. Find in this folder a set of natural responses and products that will allow you to fight this insect at best.

I wish

Get to know the wood bug

(identity, feeding mode, reproduction, ...)


Fight against wood bugs

(action method, natural insecticides, ...)


Most common bugs

la punaise verte des bois - Palomena prasinaThe chick, of green color (palomena prasina,) brown or grey is everywhere in the world. their group has several thousand species of all sizes: from a few millimeters to 4 centimeters. whether they are bed, woods, Americans, striped or dull, they are always bugs with a stingy and sucer buccal device. their sizes, colors, food and shapes are quite different.


  • Wood bugs
    - size 12 mm, curved shape, camouflage type color.
    - it feeds among other things apples, cabbage, pumpkins, cereals.
    - She lives in the woods.
  • American bug (or pine)
    - size from 15 to 20 mm, elongated shape, colour to dominant red brown.
    - it is exclusively phytophage, it feeds on cones of coniferous or ornamental species.
    - it spreads where there are resinous, parks and gardens among others.

  • Bugs fields
    The bug is rather a bug of the fields than woods. It feeds on the plants of the labia family.

  • Striped bug
    - size from 8 to 12mm, flat body, red and black striped back.
    - it feeds on cherry juice and ombelliferous plant flowers.
    - She lives in the fields.

  • Bed bug
    See our special dossier on the bed bugs


la punaise des bois - Palomena prasina

Life and reproduction of the bug

The life cycle of this insect usually lasts 4 to 9 weeks but can extend up to 1 year.
The larva resembles the adult and must feed after each of these five mues, which takes 14 to 30 days.

The bugs are oviparous. the female lays 200 eggs at a rate of a few eggs a day for 2 months. eggs hatch after 3 weeks. on 30 larvae, one, on average, survival.


Wood bug habit

la punaise des bois - Palomena prasina

Bugs preferably live outside, but some species preferred to winter in homes where temperature is more clement than outside.
As soon as the temperature begins to descend (autumn,) it looks for a shelter (the glass wool of a house suits it perfectly,) sleeps during the winter, wakes up in the spring, reproduces, and as soon as the temperature is sufficiently soft, leaves outside.
Even if these insects go home, they're not home bugs. only the bed bug actually lives in the houses.


Zoom on the American bug (or pin bug)


Punaise américaine - Leptoglossus occidentalis

Discovered in the early 20th century in the Californian rocky mountains, its colonization of the United States went through time, until it reached the city of new york in 1990. trade by sea with Europe allowed it to reach the main European ports quickly on the beginning of the 21st century. In recent years, the American bug has expanded its development in French and exponentially. In the fall of 2018, due to its particularly favourable weather conditions, a resurgence of American bugs was noted. Just like the wood bug, they are numerous in the fall (and therefore in the approach of winter) to gather to find refuge in our homes. and for this, they use a method that is clean, infallible: they emit very particular pheromones, so-called aggregation, and where the species abounds ... its congeners apply by tens and are becoming more aggressive! That's why sometimes bugs grouped by dozens. The American bug attacks the cones and inflorescences of various species of resinous (including ornament). It's a phytophage insect. It is equipped with a very efficient infrared device, allowing it to spot its lunch remotely. After wintering, adult bugs reproduce. the females lay on the needles of the fed trees. the incubation of the eggs is about 2 to 3 weeks, and the young chicks take on the tenderest parts of the cones, before gaining in age and power to attack the seeds themselves. Larval development consists of 5 stages, the acquisition of wings marking the transition to adult status, which occurs in the heart of summer.


Treatment of wood bugs

la punaise des bois - Palomena prasina


This species gathers in autumn on the walls exposed to the sun. It's the time she's looking for a shelter to spend the winter.
The easiest solution will be to treat when they gather on the facade, before they return to the house.

Use a garden sprayer. mix our insecticide 4j up to 10% with water (900ml of water + 100ml of 4d concentrate) and spray on the whole colony. to give you an idea of the covered surface, a 500 ml bottle of 4j concentrated, once diluted to 10% with water will allow you to treat about 50 m2.

All bug species are insecticide resistant. We recommend using this concentration of 10% for an optimal result. this insecticide also exists in its ready-to-use form, already diluted to 10%. So you don't have to take your head with the proportions.

Results achieved with'insecticide Tor insects Aries are also excellent. Paraffine combined with pyrethra promotes the destruction of wood bugs very quickly. the fact that it is an aerosol allows to target the insect precisely.


You can also apply our rampant and flying insect barrier on window frames to limit their intrusion in your accommodation. neem oil contained in this product will hold remotely these insects that hate the smell.

Finally, in the field of fumigationfogger habitat BiovétolGive good results on this type of insect. insecticide based on plant-based assets (pyrethre + géraniol) for the background treatment of habitat. very volatile, the solution is deposited in the smallest corners where pests and insects are located. immediate and prolonged action.


Punaise pyrrhocoris


The products you need against the wood bugs

Directly access the detailed product data sheets to fight wood bugs.

4J insecticide diluted 10% - Resistant...

Insecticide 4J diluted to 10% ready to use. With this concentration, you will destroy very quickly all the insects some are their sizes...
In stock

4J Insecticide concentrate with plant...

4J insecticide concentrate to be diluted. Effective against a large number of crawling and flying insects in our homes. Available in...
In stock

Fogger Habitat with plant-based active...

This is fogger composed of plant-based assets is intended for the background treatment of the habitat in case of infestation by mites,...
In stock


Frequently asked questions about wood bugs

Q: We are invaded by wood bugs, often the facade is full. Actually, we'll find it inside. What does he do to end it ?
R: Just spray with a garden sprayer our insecticide on all the facades where the bugs are located (the bugs being very resistant, you have to water them well). treat until complete disappearance. 1 litre of diluted product / 10m2 . You can also, in addition, treat with our insect barrier all exits to limit their inputs.

Q: In autumn and spring, the wood bugs enter my house especially when there was sun; What can I do to get them away from my windows ?
R: If you take them away from the windows, they will go back under the combles (especially in the fall), so I think the best thing is to kill them and you have to take advantage of the moment when they gather on the facades to spray them with insecticide. Use a garden sprayer equipped with a spear and water insecticide 4j diluted 10.% if well wet, the effect is very fast. plan 1 litre of diluted insecticide for 10 m2 treated.

Q: Can give me a biological recipe to get rid of bugs on tomatoes
R: Neem oil yields good results in biological treatment. our margosa extract can be diluted with water and sprayed on tomato plants. Similarly, spray-applied sulphur-based products will be used to repel them.

Punaise graphosoma

Q: I installed a garden living room under a lime tree and I am invaded by small black-colored bugs. I've already done an insect treatment, no result, what do I do ?
R: Less to treat lime, which is not very simple, you can try to treat your garden lounge with our insect barrier. However, the external use of this product is quickly degraded by the uv and thus to renew regularly.

Q: I have bugs of gray woods and with a strong smell of almonds that regularly return to my house attic in hungary. it can find them under the attic, in a inhabited area. As they gather on the facade at the floor level, I cannot apply your suggestion to vaporize a product. the interior walls under the attic are covered with wood panelling. it seems to me that a smoke-like solution would be the most convenient to apply to the attic already.
R: By experience (we have done many tests with various products), we know that wood bug is very resistant to insecticides. We have never tried the smoke, to try, but choose a powerful product, not the ones found in pharmacy.

Q: I read your page on the wood bug and your suggestion for treatment (spray on the front before the colony returns). I have a renovated old house recently (this is the first winter renovated) and I have a room with lots of wood bugs (I eliminate 10 every day). How can I treat inside? I think they have a nest in corners in the ceiling beams (open beams but not painted or processed for the moment); Do you have an effective product ?
R: I think, following our tests, that the most effective currently on the wood bug is the insecticide all pestal insects. paraffine helping the pyreethra to its destruction.

Q: Last year, I ordered you from CH6 against green bugs. at the receipt of the package, I found attached to my invoice a post-it, indicating that this product was a little limit for this bug. That used me anyway. these insects already making their appearance, given the diversity of your products, that you advise me more effective.
R: To destroy this insect, it takes at least 4j insecticide diluted to 10.% you can also use the insecticide all pests that is effective on this type of insect.