Green June Beetles InsecticideCotinis nitida InsecticideDescription of Beetles, Green June (Cotinis nitida):Green June beetles measure between 3/4 and 1 inch long and a 1/2 inch wide. The coloring ranges from dull brown with irregular green to velvet-green stripes. However, the margins of the body are usually brown to orangish-yellow. The lower parts are metallic green to yellow, or metallic dark brown with a greenish-tint. Control Options for Beetles, Green JuneComment and Ask Questions About Green June Beetles