High value plants, particularly younger trees that are still getting established, may be protected by covering them with netting to exclude the adults. The largest species in Colorado, primarily found in the southeastern areas of the state. T. dealbatus, a native of forested areas along rivers, has adapted well to landscape plantings and has become common in many towns and cities, particularly along the Arkansas Valley. Cottonwood and maples are common hosts for the nymphs. However, it is also now found in irrigated landscapes.
Some egg laying wounding can occur on plants such as maple, crabapple and honeylocust.
Males make a soft clicking call, similar to that produced by striking together two coins. Males produce a shrill, piercing song. A black and red species often common in montane areas of aspen intermixed with conifers. Males make a long, shrill song that often lasts one to two minutes. Go to top of this page.