锈色粒肩天牛在安徽 2年 1代 ,跨 3个年度 ,以幼虫在枝、干蛀道内两次越冬。成虫于 6月上、中旬相继羽化 ,白天取食、交尾 ,夜间在直径 8cm以上的树枝、干皮裂缝中产卵 ,6月中、下旬为产卵盛期 ,6月下旬至 7月上旬幼虫陆续孵化危害 ,1 1月第 1次越冬 ,第 2年 3月下旬恢复活动危害 ,1 1月中旬第 2次越冬 ,第 3年 3月中旬取食到 5月上旬陆续化蛹 ,蛹期 1 8～ 2 5d。幼虫经 6次脱皮 7龄 ,其幼虫龄级预测式为 N =Y -0 .2 4 711 .1 3 82 (Y为幼虫头宽 )。在野外调查证实 ,该虫在安徽合肥只危害国槐 Rust-colored shoulder Shui Niu 2 years in Anhui 1 generation, spanning 3 years, with larvae in the branches, dry tunnel two winters. Adult in June, mid-emergence have emerged during the day feeding, mating, at night in the branches of more than 8cm in diameter, dry skin cracks in the spawning, mid-June, late for spawning, late June to early July larvae One after another in winter, the first 2 in January to resume activities in late March endangered, 1 mid-February 2nd winter, the third year in mid-March to early May gradually pupation, pupal stage 1 8 ~ 2 5d. Larval larvae after 6 times of peeling age 7, the age class prediction of larvae is N = Y -0 .2 4 711 .1 3 82 (Y larvae head width). Investigation in the field confirmed that the insects in Hefei, Anhui only harm Sophora japonica