How do you protect brassica crops from the shield bug Eurydemus dominulus?

Cedar oil, control of moisture levels and night lights, horticultural oils, insecticidal soaps, pyrethrin treatments, row covers, and trimmed lawns and vegetation are ways to protect Brassica crops from the shield bug Eurydemus dominulus. The insects in question dislikes cedar oil, regularly mowed lawns and trimmed vegetation, and regulated irrigation and night-lighting around their favorite broccoli, Brussels sprouts, cabbage, and cauliflower. They respond to organic treatments of horticultural oils against their eggs and of hand-picking and of insecticidal soap and pyrethrin uses against their hatched and mature stages.