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中文摘要：
微红梢斑螟是马尾松的主要蛀梢害虫之一。2013-2015年对贵州省黔南自治州马尾松20年树龄的种子园的微红梢斑螟进行全面踏查、定点观测和室内饲养，观察记录该虫的生活习性、危害方式及在马尾松不同树冠高度层的危害程度。结果表明，贵州黔南地区微红梢斑螟在马尾松种子园1年发生3代，主要以幼虫危害马尾松1年生主梢或侧梢的梢头，被害枝梢常表现为近90°弯曲或螺旋状弯曲，弯曲处有流脂，导致马尾松的主梢、侧枝枯死及树冠畸形，严重影响马尾松生长及成材。
英文摘要：
Dioryctria rubella Hampson is an important shoot-borers for masson pine （Pinus massoniana Lamb. ）.Its life habit and damage to masson pine under different heights of tree crown were observed and recorded through comprehensive investigation, stationed observation and indoor feeding from 2013-2015 in a masson pine seed orchard located in Southern Guizhou. The results showed that Dioryctria rubella Hampson had 3 generations every year in masson pine seed orchard. The damage of the larvae insect mainly occurred on annual main shoots or side shoots. The damaged shoot tips always showed a bend or spiral bend with 90°. There were resin flows in bending place, and that leads to exsciccation and crown deformity of main shoots or side shoots.
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