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