核桃举肢蛾 (Atrijuglans hetaohei)是为害核桃的一种毁灭性蛀果害虫 ,在长治市一年 1代 ,以老熟幼虫在树冠下 1 cm～ 5 cm深的土层内或杂草、石缝中结茧越冬。晚秋或早春刨树盘 ,在刨过的树盘内喷洒辛硫磷药液 ,可消灭部分越冬幼虫及蛹。在6月中旬至 7月中旬成虫羽化产卵盛期 ,树冠喷 40 %氧化乐果 1 0 0 0倍液或速灭杀丁 30 0 0倍液 ,喷两次 ,两次间隔 1 0 d,消灭成虫、卵和初孵幼虫 ,防治效果分别可达90 %、80 %以上 ,经济效益显著。 Atrijuglans hetaohei is a devastating fruit-boring pest that damages walnuts. In Changzhi City, for a generation of one year, mature larvae live in soil layers 1 cm to 5 cm below the canopy or in weeds and stones Cocoon winged in the winter. Late autumn or early spring planing tree, planed trees in the sprinkling phoxim liquid, can eliminate some of the overwintering larvae and pupae. In mid-June to mid-July adult fecundity spawning peak crown spray 40% omethoate 100 times the liquid or speed kill Ding 30 0 times, spray twice, twice at intervals of 10 days, Elimination of adults, eggs and newly hatched larvae, prevention and control effects were up to 90%, 80% or more, significant economic benefits.