Adults are ~15 mm, copper-brown with green thorax. Larvae (white grubs) feed on roots. One generation/year. Overwinters as larvae. Males attract females via pheromones. Prefers grasses, maize, and soft fruits .

Larvae damage roots of crops (maize, strawberries), causing stunting/wilting. Adults skeletonize leaves and feed on fruits .

Native to East Asia; invasive in North America and Europe (e.g., US, Canada, Italy) .

Visual inspection of root damage. Pheromone-baited traps for adults. Soil sampling for larvae .

Sex pheromone traps (e.g., delta traps) .