May beetle
beetles are harmful to crops, since they feed on plant roots, resulting in visible water stress and ultimately ending in the death of the plant. From the third [...] aggressive. In early spring they either start feeding again or when the larvae are fully grown a kind of earthern cell is created in the ground in which they [...] second instars. When they move to the next stage, the larvae start to feed on larger plant roots, which later leads to signs of wilting and stunted growth