Root-eating grubs can cause major problems in raised beds. But not all of them are harmful.
Before you jump into the fight, it is important to distinguish between beneficial and harmful grubs. The rose beetle larvae are protected by the Federal Species Protection Ordinance and may not be killed. The huge, eight to ten centimeter large larvae of the rhinoceros beetle also do no harm. If it is the larvae of May, June or garden beetles, you can either collect them or, depending on the type and size, fight them naturally.