黄斑星天牛危害与防治刘浩宁黄斑星天牛是杨树重要蛀干害虫之一。它广泛发生于陕西、甘肃、宁夏等省区，主要危害大关杨、箭杆杨、小叶杨、欧美杨、青杨等常导致毁灭性灾害。危害特点：黄斑星天牛以幼虫蛀食树干。成虫产卵时在树皮上咬一马蹄形刻槽，产卵于树干刻槽皮层下... The damage and control of Aspergillus australis Liu Haoning The Asclepias australis is one of the important stem borers of poplar. It occurs extensively in Shaanxi, Gansu, Ningxia and other provinces and autonomous regions, and the major hazards are the major poplar, arrowhead poplar, poplar, Europe and the United States Yang, Qing Yang and other often lead to devastating disasters. Harm characteristics: Phalarope echinoderm eats tree trunks. When the adult spawns in the bark a horseshoe-shaped groove, spawning in the trunks under the cortex ...