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The green aphid of the rose

 

Who's green rose aphid ?

Le puceron vert - Macrosiphum sp.Latin name: Macrosiphum rosae L
Order: hémiptères
Family: aphididae
Size: 3 mm
Location: roses and other plants

 

What you need to know about the green rose aphid

The cycle of aphid is very special and deserves to be discussed. It winters in the form of egg in the scales of the buds or near the soil on multi-year plants. Egg is born in spring, a female. This female gives birth directly to young aphids. The next bridge only arrives in the next fall.

The aphids appear from the beautiful days on the young rose shoots and flower buds.
Since the development cycle is very short (8 days to 20°C), you can have from spring to autumn about 15 generations that will colonize all your plants.

The aphids feed on the plant sap. If they are few, they do not pose a particular problem, apart from the risk of transmitting virus diseases. But as long as they become numerous, they can inhibit plant growth and cause deformation of leaves.
In addition, they secrete a honeycomb that promotes smoking (champions), and arouses the interest of ants who raise them precisely for this honeycomb.

 

How do I hunt the green rose aphid?

Le puceron vert - Macrosiphum sp.The main predator of the aphid is, of course, the coccinel, but there are also the syrphs and forticles.

Many simple and natural methods will allow you to hunt them easily :

- Ortie or fern purin: You will find it easily in the garden. If you live in the countryside, then it will be easy to make it yourself. This is an excellent way to fight aphids 100% organically.

- The rhubarb purin: idem, easy to find in the garden or to make yourself (if you have rhubarb leaves in the garden of course)

- The extract of margosaThe main property of Margosa is to make insect consumption unfit for all treated surfaces, so insects must either leave the treated area in search of food or starve. Thanks to its wide spectrum and long-lasting action, Margosa is effective in most infested locations. Spray application. Margosa blocks larvae development, disrupts food research and sterilizes adult insects. The treatment will be sprayed on the plant with a concentration of 2% in preventive use, at 4% in curative.

- Dish product or Soap black : Diluted in water and sprayed on the plant, the soap prevents aphids from adhering to the leaves.

- Plant repulsive plants nearby:Capuchins, indeed eyelets and above all Lavender will naturally control the invasions of aphids.

 

How to eliminate the green rose aphid?

As a last resort, you can deal with our insecticide 4J small insects (diluted to 1.5%). If you have many plants to treat, use this same product but under itconcentrated formAnd you'll make a 5% dilution. It must be known that this product, based on plant pyrethra with short remanence. It will therefore be effective in quick curative action but not long-term curative action. From the moment the insect will be contact with the 4J product, it will die instantly (the neurotoxic effect of the pyrethre).

N.B.: Beware that this product is not approved for gardens, we can only recommend it on apartment plants, balconies or gardeners. And do not use this product with a dilution greater than 1.5% or 2%. The foliage of your plants may otherwise burn under the influence of the pyrethre.

Photos below before and after treatment with our insecticide Small insects 4J diluted to 1.5%

pucerons vivantspucerons morts

 

The products you need against green rose aphids

Direct access to the detailed product data sheets to fight the aphids

Insecticide 4J diluted 1.5% - Special...

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Insecticide 4J concentrated in vegetable...

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This is what the green rose aphid looks like in motion