vine weevil (otiorhynchus sulcatus) on leaf adult beetles have dull black bodies 8-10mm long. they are active after dark between the spring and autumn, eating irregular notches in the leaf margins of many plants, especially rhododendron and evergreen euonymus. this damage is rarely sufficient to affect plant growth and it is the larval stage which is the serious pest. vine weevils are female and each can lay up to 1,000 eggs during the summer. the larvae are creamy white, legless grubs with brow