Dieldrin or Chlordane into the soil kills the ants. It is controlled by trunk banding with a brown tar oil solution. Diazion also kills this bug. A minute beetle which is capable of immense damage as an adult and as larvae. A small dark brown, almost black beetle which bores into the fruit.
Symptoms are small holes in the fruit and the fruit has discoloration.
When the fruit is pulped, it has varying quantity of beans. It is a ground beetle which likes weedy areas. Generally, an infestation is caused by poor ground keeping. The beetle itself eats the berry and the larvae eats the berry. Natural parasites may hold the pest in control.