<正>杉木球果麦蛾是危害杉木球果和种子的一个新害虫，在中国危害杉木，广泛分布于中国南部。该虫以幼虫钻蛀球果的苞鳞、果轴及种子，使球果变色、干枯及畸形。本文报道了该虫的生物生态学特性。

Dichomeris bimaculatus Liu et Qian is a new species of insect harmful to the cone and seed of China fir. In China they harm only Cunningamia lanceolata (Lamb.) Hook. Their larvae do harm to the bract scales, fruit axes and seeds of cones and cause cones to change colour, dryup, and deform. Their bioecology is reported in the paper.