中文摘要：

花绒寄甲Dastarcus helophoroides是蛀干害虫天牛的重要天敌,释放花绒寄甲卵和成虫能有效控制林木被害率和天牛的虫口数量。释放花绒寄甲卵,北方选择在3月下旬至6月中旬,南方的释放期可延长至8月;将卵卡固定在天牛虫粪孔下方的背阴处（虫孔高度〈3m）或距离地面2.5~3.0m的树干背阴处（虫孔高度〉3m）。花绒寄甲成虫释放在北方选择5-7月初期,南方选择3月下旬或9月中旬;直接将释放盒钉在距离地面约2.5m树干背阴处。若立木被害率较小,则一次性每公顷投放成虫释放盒或卵卡200~250个;若被害林株天牛密度较大,则应连续释放2年且每年释放1次,每被害木释放花绒寄甲卵40~80粒（卵卡1~2个）和成虫5~10头。

英文摘要：

Dastarcus helophoroides is an important natural enemy of long-horned beetle.The release of the eggs and adults of D.helophoroidesis can effectively control the forest infestation percentage and long-horned beetle population number.In the releasing process of eggs,the release of eggs in the north of China is usually at March to June and at March to August in the south.The egg cards are directly placed in the shady spot under long-horned beetles’ fecula hole（the height of the fecula hole〈3m）or in the shady spot of the stem 2.5~3.0mabove the ground（the height of the fecula hole〉3m）.The release of adults in the north of China is at May to July and March or September in the south.The boxes containing adults are placed in the shady spot of stem 2.5mabove the ground.If the infestation percentage of stumpage is small,usually 200~250adult boxes or egg cards per hectare are released one-time.If the infestation percentage of stumpage and the density of long-horned beetle are large,release of eggs or adults should be conducted once a year in two consecutive years.The number of eggs released is 40~80（1~2egg cards）and adults 5~10boxes.