Rose beetle - fighting rose pests

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Rose beetle - fighting rose pests: beetle

The common rose beetle, which is also known as the gold-glittering rose beetle, is up to two inches tall and stands out especially by its metallic iridescent cover wings.

Way of life of the rose beetle

While the larvae prefer to feed on rotten wood and compost and therefore usually remain undetected in the garden, the adult beetles that occur between April and October prefer the inside of flowers. In heavy cases but also leaves are eaten. In addition to roses, the common rose beetle can attack various fruit trees, umbels and elderberry bushes. Hibernation occurs as a larva in dead tree trunks or in the soil. Overall, the larval stage can take up to three years.


In general, the damage caused by rose beetles is extremely small. Only in mass occurrence, the flowers and the leaves of the affected plants show clear traces of Befraß. Since the beetles also drink the sap, parts of the plant can die if they are heavily infested.

Fighting the rose beetle

The common rose beetle is one of the endangered species in Germany and is therefore protected. This has the consequence that only natural, non-lethal methods may be used in an infestation with the rose beetle. Chemical-based pesticides should not be used even if they have an unusually high incidence. The easiest way to combat the rose beetle is to collect it from the flowers and put it on other suitable plants for him. Particularly recommended for this are the early morning hours, as the beetles remain almost immobile on cool flowers and leaves. As soon as it gets warmer, the rose beetle becomes more mobile and sometimes very difficult to catch. Special precautions should not be taken, as the animals do not bite and are not poisonous.

Measures to grief the rose beetle

To prevent an infestation from the outset, it makes sense to make the garden so that it is as little as attractive for the common rose beetle. Since beetle females lay their eggs mostly on old, rotten wood and the larvae also prefer dead branches and stumps, the most effective way to prevent the colonization of rose beetles is to remove all dead or partially dead wood in the garden. For the remaining shrubs and trees, a courageous cut is necessary, so that only living branches and twigs remain on the plant. The compost heap can literally be a hotbed for the larvae of the rose beetle. Therefore, it should not be overcrowded and regularly implemented. Of course, no clippings may be added to the compost. In addition, the compost pile should be placed as far away as possible from rose bushes or other preferred food plants of the beetle. As the larvae of the rose beetle also like moist, almost moldy soil, the garden soil should be regularly well ventilated and not overcast. On the application of bark mulch should of course be waived.
Overall, the risk of increased infestation with the common rose beetle and associated visible damage but extremely low. Since the beetles are now relatively rare and have many natural predators among the birds, there is usually no urgent need for action.


  • Damage: mostly individually occurring rose beetles, 14- 20mm large rose beetles with strong legs and kinky feelers, the flowers and leaves eaten. The common rose beetle comes in many color variations from green or blue-green and blue to violet and towards bronze colors. Always the colors are strikingly metallic shiny. He is now very rare and is under conservation! Its appearance on the plants is therefore in any case in a special event, moreover, it causes only minor damage.
  • Time of occurrence: From April to October
  • Defense: Preventive: not required. Gentle: damage to the rose beetle usually low. Only in exceptional cases can be collected excess beetles carefully and put on other flowers, such as elder flowers or the flowers of Dolengewächsen. Hardener: Little useful and also prohibited.

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