花椒瘿蚊属双翅目瘿蚊科,主要危害花椒枝干,是花椒树的主要害虫之一。1983—1989年在茂县风仪镇、渭门乡两地的调查结果,轻的地块受害株率为37.63％,严重的地(?)受害株率达100％。每年平均有58.62％的植株,35％的枝干受害(其中25％的枝条枯干死亡)。花椒产量损失常年在10—20％左右。一、识别 1、成虫。暗褐色,体长2.8—3.2毫米,体宽0.5—0.8毫米。触角14节,连珠状,着 Zanthoxylum is a genus of Diptera, which is one of the main pests of Zanthoxylum bungeanse. In 1983-1989, the results of the surveys in Fengyi Town and Weimen Township in Maoxian County show that the rate of damaged plants in light land plots is 37.63%, and the rate of serious landmine damage plants is 100%. Each year an average of 58.62% of the plants, 35% of the branches suffer (25% of the branches died). Pepper production loss perennial in about 10-20%. First, identify 1, adult. Dark brown, body length 2.8-3.2 mm, body width 0.5-0.8 mm. Antenna 14 knots, even beads, with