The cottonwood borer (Plectrodera scalator) is a species of longhorn beetle found in the United States east of the Rocky Mountains that feeds on cottonwood trees. It is one of the largest insects in North America, with lengths reaching 40 millimetres (1.6 in) and widths, 12 mm (0.47 in). It is the only … See more The adult cottonwood borer is a large longhorn beetle with a black-and-white coloration and black antennae as long or longer than the body. The white portions are due to microscopic masses of hair. The See more The female cottonwood borer will chew small pits in the base of the tree in which to lay her eggs. The larvae can take up to two years to mature, after which they pupate in a root below ground level for approximately three weeks. Once metamorphosis has … See more Although larvae can kill young trees by girdling them, infested mature trees are usually not seriously injured. The larvae can also structurally weaken a young tree, which is then more susceptible to falling over in high winds. Adults feed on leaf stems and the bark … See more WebJan 9, 2024 · The emerald ash borer (EAB) is an exotic insect that belongs to a group of metallic wood-boring beetles. Unlike our native beetles that kill weakened trees as part …
Poplar-and-willow borer - NRCan
WebMar 12, 2024 · Cottonwood borer beetle of the longhorn beetle family is indigenous to certain parts of the United States. It has a length and width of 40 mm and 12 mm, emerging as one of North America’s largest insects. … Web13. Air Potato Leaf Beetle. Air Potato Leaf Beetle. The Air Potato Leaf Beetle (Lilioceris cheni) is native to Asia and was deliberately introduced to Florida in 2012 to control air … expand uilabel more
Tree Insect Treatment Sick Trees Cottonwood Borer Beetle
WebThe Cottonwood Borer Beetle is a major threat to various tree types including poplar, willow and - or course - cottonwood. HOME. BEETLES INDEX. BEETLE IDENTIFIER. BY STATE. COMPARE 1/5. Image … WebFigure 1. Long-horned beetles or roundheaded borers: locust borer (left); cottonwood borer (center); and red-headed ash borer (right). Red oak borer larvae girdle main trunks and branches during the second year of larval devel-opment. Female twig girdler beetles chew a V-shaped groove entirely around twigs, branches or termi-nals. (Photo by M ... WebHome US Forest Service expand \u0026 simplify x + 8 x + 10