The Rose chafer (Macrodactylus subspinosus) is a hungry garden pest. This beetle begins its life as larvae under the soil. ... Rose beetles are especially abundant in areas with sandy soil because the adult beetles prefer to lay eggs in sandy soil.

Do rose chafers damage roses?

Damage: Adult rose chafers can be a problem on roses and other flowering plants where they feed on the petals. The larval grubs are however beneficial to the soil as they help in the decomposition of plant material and contribute to the natural composting process.

Are Flower chafers bad?

They do not cause damage to home lawns or landscape plants. Rose chafers contain a toxin and can be deadly to birds (including chickens and small animals) when they eat these beetles.