Additional agents being tested for toadflax control include the stem boring weevil Mecinus janthinus , the root boring moth Eteobalea serratella and the root galling weevil Gymnetron linariae. However ...

Vine weevil grubs live underground, so most of the damage they cause is going to initially appear on plant roots and the lower part of the stem,' says Allan Bossel, pest control expert at BBE Bed ...