Just over 1/2” long. They have an iridescent copper-colored wing area and a deep green thorax and head.
Damage / Signs of Presence:
Spend most of their life in the larva stage.
Rose Bushes, Ornamental plants, Birch and Maple Trees to name a few.
Egg, larva, pupa and adult. Eggs hatch within 2 weeks and feed on roots and organic material. Larva hibernate in soil and will emerge in the Spring. The adult stage only last 35 to 45 days before they die. The females lay between 40 to 60 eggs and the full life span is about 1 year.
You can try to control the population in the larva stage. The problem is doing a large enough area. If you have their desired food source as adults pheromones from the other beetles will attract them to your site. Pheromone traps can be affective but that also