窃达刺蛾是樟树新害虫，在福建一年发生３代，以幼虫在叶背越冬。翌年３月上旬化蛹，４月上旬成虫出现并产卵，４月中旬幼虫孵出，５月中旬陆续化蛹，６月上旬成虫羽化，６月中旬第二代幼虫开始出现，８月下旬第三代幼虫出现。在幼虫三龄前，喷洒５％辛硫磷，４０％氧化乐果乳剂或８０％敌敌畏乳剂１０００倍液。均可收到良好效果。 Stolen thorn moth is a new camphor tree pests, occurs in Fujian three generations a year, with larvae in the back of the winter. In the following March, pupation occurred. In early April, adults appeared and laid eggs. In mid-April, larvae hatched. In mid-May, they gradually became pupal, and adults became predatory in early June. The second generation larvae began to appear in mid-June. Three generations of larvae appear. Before larvae were sprayed with 1000% phoxim, 40% omethoate or 80% dichlorvos emulsion. Can receive good results.