It feeds on the underside of leaves, causing the foliage to turn silver-gray. Webs may be noticeable if the mites are numerous. C. Insects that feed below ground. It has a hardened, brown shield over its last abdominal segment. Most injurious in heavy, poorly drained soils or following winter cover crops, this pest bores into young pods or attacks pegs before pods develop.
Infested plants become yellow and less productive.
It is about 19 mm long when fully grown. It may feed externally or tunnel into underground plant parts. Developing nuts are often hollowed out.