High Quality Content by WIKIPEDIA articles! The Asian Longhorned Beetle (Anoplophora glabripennis) (ALB) is native to China and other areas of the Far East, where it causes widespread mortality of poplar, willow, elm and maple trees. The beetle, known as the Starry Sky or Sky Beetle in China, is a large black insect, with white spots dashed irregularly on its elytra (wing covers). Adults are typically 1-1.5 inches (2.5-3.8 cm) long. The distinctive long antennae that give the beetle its common name are as long as the body in females and almost twice the body length in males. The ALB is considered an invasive species in North America, where it is a serious threat to many species of deciduous hardwood trees. During the larval stage, the ALB bores deep into a tree's heartwood, where it feeds on the tree's nutrients. The tunneling damages and eventually kills the tree. Tree species considered ALB host species include all species of maple (Norway, sugar, silver, and red maple) as well as Horse chestnut, Poplar, Willow, Birch, London plane, Mountain ash, Mimosa (silk tree), Elm and Hackberry.