Abstract Spotted cucumber beetle ( Diabrotica undecimpunctata howardi ; also known as southern corn rootworm) is a pest feeding on many crops, including cucurbits, (maize), peanuts, beans, and other crops wild plants in North America. On cucurbit where it co-occurs with striped Acalymma vittatum ), both are key pests that vector Erwinia tracheiphila, destructive pathogen causes bacterial wilt. ...